fix(routing): unify route based architecture

ts/core/models/index.ts

@@ -3,3 +3,5 @@
  */
 
 export * from './common-types.js';
+export * from './socket-augmentation.js';
+export * from './route-context.js';

ts/core/models/route-context.ts

@@ -0,0 +1,111 @@
+/**
+ * Shared Route Context Interface
+ * 
+ * This interface defines the route context object that is used by both
+ * SmartProxy and NetworkProxy, ensuring consistent context throughout the system.
+ */
+
+/**
+ * Route context for route matching and function-based target resolution
+ */
+export interface IRouteContext {
+  // Connection basics
+  port: number;          // The matched incoming port
+  domain?: string;       // The domain from SNI or Host header
+  clientIp: string;      // The client's IP address
+  serverIp: string;      // The server's IP address
+  
+  // HTTP specifics (NetworkProxy only)
+  path?: string;         // URL path (for HTTP connections)
+  query?: string;        // Query string (for HTTP connections) 
+  headers?: Record<string, string>; // HTTP headers (for HTTP connections)
+  
+  // TLS information
+  isTls: boolean;        // Whether the connection is TLS
+  tlsVersion?: string;   // TLS version if applicable
+  
+  // Routing information
+  routeName?: string;    // The name of the matched route
+  routeId?: string;      // The ID of the matched route
+  
+  // Resolved values
+  targetHost?: string | string[]; // The resolved target host
+  targetPort?: number;   // The resolved target port
+  
+  // Request metadata
+  timestamp: number;     // The request timestamp
+  connectionId: string;  // Unique connection identifier
+}
+
+/**
+ * Extended context interface with HTTP-specific objects
+ * Used only in NetworkProxy for HTTP request handling
+ */
+export interface IHttpRouteContext extends IRouteContext {
+  req?: any; // http.IncomingMessage 
+  res?: any; // http.ServerResponse
+  method?: string; // HTTP method (GET, POST, etc.)
+}
+
+/**
+ * Extended context interface with HTTP/2-specific objects
+ * Used only in NetworkProxy for HTTP/2 request handling
+ */
+export interface IHttp2RouteContext extends IHttpRouteContext {
+  stream?: any; // http2.Http2Stream
+  headers?: Record<string, string>; // HTTP/2 pseudo-headers like :method, :path
+}
+
+/**
+ * Create a basic route context from connection information
+ */
+export function createBaseRouteContext(options: {
+  port: number;
+  clientIp: string;
+  serverIp: string;
+  domain?: string;
+  isTls: boolean;
+  tlsVersion?: string;
+  connectionId: string;
+}): IRouteContext {
+  return {
+    ...options,
+    timestamp: Date.now(),
+  };
+}
+
+/**
+ * Convert IHttpRouteContext to IRouteContext
+ * This is used to ensure type compatibility when passing HTTP-specific context 
+ * to methods that require the base IRouteContext type
+ */
+export function toBaseContext(httpContext: IHttpRouteContext): IRouteContext {
+  // Create a new object with only the properties from IRouteContext
+  const baseContext: IRouteContext = {
+    port: httpContext.port,
+    domain: httpContext.domain,
+    clientIp: httpContext.clientIp,
+    serverIp: httpContext.serverIp,
+    path: httpContext.path,
+    query: httpContext.query,
+    headers: httpContext.headers,
+    isTls: httpContext.isTls,
+    tlsVersion: httpContext.tlsVersion,
+    routeName: httpContext.routeName,
+    routeId: httpContext.routeId,
+    timestamp: httpContext.timestamp,
+    connectionId: httpContext.connectionId
+  };
+  
+  // Only copy targetHost if it's a string
+  if (httpContext.targetHost) {
+    baseContext.targetHost = httpContext.targetHost;
+  }
+  
+  // Copy targetPort if it exists
+  if (httpContext.targetPort) {
+    baseContext.targetPort = httpContext.targetPort;
+  }
+  
+  return baseContext;
+}

ts/core/models/socket-augmentation.ts

@@ -0,0 +1,33 @@
+import * as plugins from '../../plugins.js';
+
+// Augment the Node.js Socket type to include TLS-related properties
+// This helps TypeScript understand properties that are dynamically added by Node.js
+declare module 'net' {
+  interface Socket {
+    // TLS-related properties
+    encrypted?: boolean;    // Indicates if the socket is encrypted (TLS/SSL)
+    authorizationError?: Error; // Authentication error if TLS handshake failed
+    
+    // TLS-related methods
+    getTLSVersion?(): string;  // Returns the TLS version (e.g., 'TLSv1.2', 'TLSv1.3')
+    getPeerCertificate?(detailed?: boolean): any;  // Returns the peer's certificate
+    getSession?(): Buffer;   // Returns the TLS session data
+  }
+}
+
+// Export a utility function to check if a socket is a TLS socket
+export function isTLSSocket(socket: plugins.net.Socket): boolean {
+  return 'encrypted' in socket && !!socket.encrypted;
+}
+
+// Export a utility function to safely get the TLS version
+export function getTLSVersion(socket: plugins.net.Socket): string | null {
+  if (socket.getTLSVersion) {
+    try {
+      return socket.getTLSVersion();
+    } catch (e) {
+      return null;
+    }
+  }
+  return null;
+}

ts/core/utils/event-system.ts

@@ -0,0 +1,376 @@
+import * as plugins from '../../plugins.js';
+import type { 
+  ICertificateData, 
+  ICertificateFailure,
+  ICertificateExpiring
+} from '../models/common-types.js';
+import type { IRouteConfig } from '../../proxies/smart-proxy/models/route-types.js';
+import { Port80HandlerEvents } from '../models/common-types.js';
+
+/**
+ * Standardized event names used throughout the system
+ */
+export enum ProxyEvents {
+  // Certificate events
+  CERTIFICATE_ISSUED = 'certificate:issued',
+  CERTIFICATE_RENEWED = 'certificate:renewed',
+  CERTIFICATE_FAILED = 'certificate:failed',
+  CERTIFICATE_EXPIRING = 'certificate:expiring',
+  
+  // Component lifecycle events
+  COMPONENT_STARTED = 'component:started',
+  COMPONENT_STOPPED = 'component:stopped',
+  
+  // Connection events
+  CONNECTION_ESTABLISHED = 'connection:established',
+  CONNECTION_CLOSED = 'connection:closed',
+  CONNECTION_ERROR = 'connection:error',
+  
+  // Request events
+  REQUEST_RECEIVED = 'request:received',
+  REQUEST_COMPLETED = 'request:completed',
+  REQUEST_ERROR = 'request:error',
+  
+  // Route events
+  ROUTE_MATCHED = 'route:matched',
+  ROUTE_UPDATED = 'route:updated',
+  ROUTE_ERROR = 'route:error',
+  
+  // Security events
+  SECURITY_BLOCKED = 'security:blocked',
+  SECURITY_BREACH_ATTEMPT = 'security:breach-attempt',
+  
+  // TLS events
+  TLS_HANDSHAKE_STARTED = 'tls:handshake-started',
+  TLS_HANDSHAKE_COMPLETED = 'tls:handshake-completed',
+  TLS_HANDSHAKE_FAILED = 'tls:handshake-failed'
+}
+
+/**
+ * Component types for event metadata
+ */
+export enum ComponentType {
+  SMART_PROXY = 'smart-proxy',
+  NETWORK_PROXY = 'network-proxy',
+  NFTABLES_PROXY = 'nftables-proxy',
+  PORT80_HANDLER = 'port80-handler',
+  CERTIFICATE_MANAGER = 'certificate-manager',
+  ROUTE_MANAGER = 'route-manager',
+  CONNECTION_MANAGER = 'connection-manager',
+  TLS_MANAGER = 'tls-manager',
+  SECURITY_MANAGER = 'security-manager'
+}
+
+/**
+ * Base event data interface
+ */
+export interface IEventData {
+  timestamp: number;
+  componentType: ComponentType;
+  componentId?: string;
+}
+
+/**
+ * Certificate event data
+ */
+export interface ICertificateEventData extends IEventData, ICertificateData {
+  isRenewal?: boolean;
+  source?: string;
+}
+
+/**
+ * Certificate failure event data
+ */
+export interface ICertificateFailureEventData extends IEventData, ICertificateFailure {}
+
+/**
+ * Certificate expiring event data
+ */
+export interface ICertificateExpiringEventData extends IEventData, ICertificateExpiring {}
+
+/**
+ * Component lifecycle event data 
+ */
+export interface IComponentEventData extends IEventData {
+  name: string;
+  version?: string;
+}
+
+/**
+ * Connection event data
+ */
+export interface IConnectionEventData extends IEventData {
+  connectionId: string;
+  clientIp: string;
+  serverIp?: string;
+  port: number;
+  isTls?: boolean;
+  domain?: string;
+}
+
+/**
+ * Request event data
+ */
+export interface IRequestEventData extends IEventData {
+  connectionId: string;
+  requestId: string;
+  method?: string;
+  path?: string;
+  statusCode?: number;
+  duration?: number;
+  routeId?: string;
+  routeName?: string;
+}
+
+/**
+ * Route event data 
+ */
+export interface IRouteEventData extends IEventData {
+  route: IRouteConfig;
+  context?: any;
+}
+
+/**
+ * Security event data
+ */
+export interface ISecurityEventData extends IEventData {
+  clientIp: string;
+  reason: string;
+  routeId?: string;
+  routeName?: string;
+}
+
+/**
+ * TLS event data
+ */
+export interface ITlsEventData extends IEventData {
+  connectionId: string;
+  domain?: string;
+  clientIp: string;
+  tlsVersion?: string;
+  cipherSuite?: string;
+  sniHostname?: string;
+}
+
+/**
+ * Logger interface for event system 
+ */
+export interface IEventLogger {
+  info: (message: string, ...args: any[]) => void;
+  warn: (message: string, ...args: any[]) => void;
+  error: (message: string, ...args: any[]) => void;
+  debug?: (message: string, ...args: any[]) => void;
+}
+
+/**
+ * Event handler type 
+ */
+export type EventHandler<T> = (data: T) => void;
+
+/**
+ * Helper class to standardize event emission and handling
+ * across all system components
+ */
+export class EventSystem {
+  private emitter: plugins.EventEmitter;
+  private componentType: ComponentType;
+  private componentId: string;
+  private logger?: IEventLogger;
+  
+  constructor(
+    componentType: ComponentType,
+    componentId: string = '',
+    logger?: IEventLogger
+  ) {
+    this.emitter = new plugins.EventEmitter();
+    this.componentType = componentType;
+    this.componentId = componentId;
+    this.logger = logger;
+  }
+  
+  /**
+   * Emit a certificate issued event
+   */
+  public emitCertificateIssued(data: Omit<ICertificateEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: ICertificateEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.info?.(`Certificate issued for ${data.domain}`);
+    this.emitter.emit(ProxyEvents.CERTIFICATE_ISSUED, eventData);
+  }
+  
+  /**
+   * Emit a certificate renewed event
+   */
+  public emitCertificateRenewed(data: Omit<ICertificateEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: ICertificateEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.info?.(`Certificate renewed for ${data.domain}`);
+    this.emitter.emit(ProxyEvents.CERTIFICATE_RENEWED, eventData);
+  }
+  
+  /**
+   * Emit a certificate failed event
+   */
+  public emitCertificateFailed(data: Omit<ICertificateFailureEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: ICertificateFailureEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.error?.(`Certificate issuance failed for ${data.domain}: ${data.error}`);
+    this.emitter.emit(ProxyEvents.CERTIFICATE_FAILED, eventData);
+  }
+  
+  /**
+   * Emit a certificate expiring event
+   */
+  public emitCertificateExpiring(data: Omit<ICertificateExpiringEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: ICertificateExpiringEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.warn?.(`Certificate expiring for ${data.domain} in ${data.daysRemaining} days`);
+    this.emitter.emit(ProxyEvents.CERTIFICATE_EXPIRING, eventData);
+  }
+  
+  /**
+   * Emit a component started event
+   */
+  public emitComponentStarted(name: string, version?: string): void {
+    const eventData: IComponentEventData = {
+      name,
+      version,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.info?.(`Component ${name} started${version ? ` (v${version})` : ''}`);
+    this.emitter.emit(ProxyEvents.COMPONENT_STARTED, eventData);
+  }
+  
+  /**
+   * Emit a component stopped event
+   */
+  public emitComponentStopped(name: string): void {
+    const eventData: IComponentEventData = {
+      name,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.info?.(`Component ${name} stopped`);
+    this.emitter.emit(ProxyEvents.COMPONENT_STOPPED, eventData);
+  }
+  
+  /**
+   * Emit a connection established event
+   */
+  public emitConnectionEstablished(data: Omit<IConnectionEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: IConnectionEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.debug?.(`Connection ${data.connectionId} established from ${data.clientIp} on port ${data.port}`);
+    this.emitter.emit(ProxyEvents.CONNECTION_ESTABLISHED, eventData);
+  }
+  
+  /**
+   * Emit a connection closed event
+   */
+  public emitConnectionClosed(data: Omit<IConnectionEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: IConnectionEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.debug?.(`Connection ${data.connectionId} closed`);
+    this.emitter.emit(ProxyEvents.CONNECTION_CLOSED, eventData);
+  }
+  
+  /**
+   * Emit a route matched event
+   */
+  public emitRouteMatched(data: Omit<IRouteEventData, 'timestamp' | 'componentType' | 'componentId'>): void {
+    const eventData: IRouteEventData = {
+      ...data,
+      timestamp: Date.now(),
+      componentType: this.componentType,
+      componentId: this.componentId
+    };
+    
+    this.logger?.debug?.(`Route matched: ${data.route.name || data.route.id || 'unnamed'}`);
+    this.emitter.emit(ProxyEvents.ROUTE_MATCHED, eventData);
+  }
+  
+  /**
+   * Subscribe to an event
+   */
+  public on<T>(event: ProxyEvents, handler: EventHandler<T>): void {
+    this.emitter.on(event, handler);
+  }
+  
+  /**
+   * Subscribe to an event once
+   */
+  public once<T>(event: ProxyEvents, handler: EventHandler<T>): void {
+    this.emitter.once(event, handler);
+  }
+  
+  /**
+   * Unsubscribe from an event
+   */
+  public off<T>(event: ProxyEvents, handler: EventHandler<T>): void {
+    this.emitter.off(event, handler);
+  }
+  
+  /**
+   * Map Port80Handler events to standard proxy events
+   */
+  public subscribePort80HandlerEvents(handler: any): void {
+    handler.on(Port80HandlerEvents.CERTIFICATE_ISSUED, (data: ICertificateData) => {
+      this.emitCertificateIssued({
+        ...data,
+        isRenewal: false,
+        source: 'port80handler'
+      });
+    });
+    
+    handler.on(Port80HandlerEvents.CERTIFICATE_RENEWED, (data: ICertificateData) => {
+      this.emitCertificateRenewed({
+        ...data,
+        isRenewal: true,
+        source: 'port80handler'
+      });
+    });
+    
+    handler.on(Port80HandlerEvents.CERTIFICATE_FAILED, (data: ICertificateFailure) => {
+      this.emitCertificateFailed(data);
+    });
+    
+    handler.on(Port80HandlerEvents.CERTIFICATE_EXPIRING, (data: ICertificateExpiring) => {
+      this.emitCertificateExpiring(data);
+    });
+  }
+}

ts/core/utils/index.ts

@@ -5,3 +5,10 @@
 export * from './event-utils.js';
 export * from './validation-utils.js';
 export * from './ip-utils.js';
+export * from './template-utils.js';
+export * from './route-manager.js';
+export * from './route-utils.js';
+export * from './security-utils.js';
+export * from './shared-security-manager.js';
+export * from './event-system.js';
+export * from './websocket-utils.js';

ts/core/utils/route-manager.ts

@@ -0,0 +1,489 @@
+import * as plugins from '../../plugins.js';
+import type {
+  IRouteConfig,
+  IRouteMatch,
+  IRouteAction,
+  TPortRange,
+  IRouteContext
+} from '../../proxies/smart-proxy/models/route-types.js';
+import {
+  matchDomain,
+  matchRouteDomain,
+  matchPath,
+  matchIpPattern,
+  matchIpCidr,
+  ipToNumber,
+  isIpAuthorized,
+  calculateRouteSpecificity
+} from './route-utils.js';
+
+/**
+ * Result of route matching
+ */
+export interface IRouteMatchResult {
+  route: IRouteConfig;
+  // Additional match parameters (path, query, etc.)
+  params?: Record<string, string>;
+}
+
+/**
+ * Logger interface for RouteManager
+ */
+export interface ILogger {
+  info: (message: string, ...args: any[]) => void;
+  warn: (message: string, ...args: any[]) => void;
+  error: (message: string, ...args: any[]) => void;
+  debug?: (message: string, ...args: any[]) => void;
+}
+
+/**
+ * Shared RouteManager used by both SmartProxy and NetworkProxy
+ * 
+ * This provides a unified implementation for route management,
+ * route matching, and port handling.
+ */
+export class SharedRouteManager extends plugins.EventEmitter {
+  private routes: IRouteConfig[] = [];
+  private portMap: Map<number, IRouteConfig[]> = new Map();
+  private logger: ILogger;
+  private enableDetailedLogging: boolean;
+
+  /**
+   * Memoization cache for expanded port ranges
+   */
+  private portRangeCache: Map<string, number[]> = new Map();
+  
+  constructor(options: {
+    logger?: ILogger;
+    enableDetailedLogging?: boolean;
+    routes?: IRouteConfig[];
+  }) {
+    super();
+    
+    // Set up logger (use console if not provided)
+    this.logger = options.logger || {
+      info: console.log,
+      warn: console.warn,
+      error: console.error,
+      debug: options.enableDetailedLogging ? console.log : undefined
+    };
+    
+    this.enableDetailedLogging = options.enableDetailedLogging || false;
+    
+    // Initialize routes if provided
+    if (options.routes) {
+      this.updateRoutes(options.routes);
+    }
+  }
+  
+  /**
+   * Update routes with new configuration
+   */
+  public updateRoutes(routes: IRouteConfig[] = []): void {
+    // Sort routes by priority (higher first)
+    this.routes = [...(routes || [])].sort((a, b) => {
+      const priorityA = a.priority ?? 0;
+      const priorityB = b.priority ?? 0;
+      return priorityB - priorityA;
+    });
+    
+    // Rebuild port mapping for fast lookups
+    this.rebuildPortMap();
+    
+    this.logger.info(`Updated RouteManager with ${this.routes.length} routes`);
+  }
+  
+  /**
+   * Get all routes
+   */
+  public getRoutes(): IRouteConfig[] {
+    return [...this.routes];
+  }
+  
+  /**
+   * Rebuild the port mapping for fast lookups
+   * Also logs information about the ports being listened on
+   */
+  private rebuildPortMap(): void {
+    this.portMap.clear();
+    this.portRangeCache.clear(); // Clear cache when rebuilding
+
+    // Track ports for logging
+    const portToRoutesMap = new Map<number, string[]>();
+
+    for (const route of this.routes) {
+      const ports = this.expandPortRange(route.match.ports);
+
+      // Skip if no ports were found
+      if (ports.length === 0) {
+        this.logger.warn(`Route ${route.name || 'unnamed'} has no valid ports to listen on`);
+        continue;
+      }
+
+      for (const port of ports) {
+        // Add to portMap for routing
+        if (!this.portMap.has(port)) {
+          this.portMap.set(port, []);
+        }
+        this.portMap.get(port)!.push(route);
+
+        // Add to tracking for logging
+        if (!portToRoutesMap.has(port)) {
+          portToRoutesMap.set(port, []);
+        }
+        portToRoutesMap.get(port)!.push(route.name || 'unnamed');
+      }
+    }
+
+    // Log summary of ports and routes
+    const totalPorts = this.portMap.size;
+    const totalRoutes = this.routes.length;
+    this.logger.info(`Route manager configured with ${totalRoutes} routes across ${totalPorts} ports`);
+
+    // Log port details if detailed logging is enabled
+    if (this.enableDetailedLogging) {
+      for (const [port, routes] of this.portMap.entries()) {
+        this.logger.info(`Port ${port}: ${routes.length} routes (${portToRoutesMap.get(port)!.join(', ')})`);
+      }
+    }
+  }
+  
+  /**
+   * Expand a port range specification into an array of individual ports
+   * Uses caching to improve performance for frequently used port ranges
+   *
+   * @public - Made public to allow external code to interpret port ranges
+   */
+  public expandPortRange(portRange: TPortRange): number[] {
+    // For simple number, return immediately
+    if (typeof portRange === 'number') {
+      return [portRange];
+    }
+
+    // Create a cache key for this port range
+    const cacheKey = JSON.stringify(portRange);
+
+    // Check if we have a cached result
+    if (this.portRangeCache.has(cacheKey)) {
+      return this.portRangeCache.get(cacheKey)!;
+    }
+
+    // Process the port range
+    let result: number[] = [];
+
+    if (Array.isArray(portRange)) {
+      // Handle array of port objects or numbers
+      result = portRange.flatMap(item => {
+        if (typeof item === 'number') {
+          return [item];
+        } else if (typeof item === 'object' && 'from' in item && 'to' in item) {
+          // Handle port range object - check valid range
+          if (item.from > item.to) {
+            this.logger.warn(`Invalid port range: from (${item.from}) > to (${item.to})`);
+            return [];
+          }
+
+          // Handle port range object
+          const ports: number[] = [];
+          for (let p = item.from; p <= item.to; p++) {
+            ports.push(p);
+          }
+          return ports;
+        }
+        return [];
+      });
+    }
+
+    // Cache the result
+    this.portRangeCache.set(cacheKey, result);
+
+    return result;
+  }
+
+  /**
+   * Get all ports that should be listened on
+   * This method automatically infers all required ports from route configurations
+   */
+  public getListeningPorts(): number[] {
+    // Return the unique set of ports from all routes
+    return Array.from(this.portMap.keys());
+  }
+  
+  /**
+   * Get all routes for a given port
+   */
+  public getRoutesForPort(port: number): IRouteConfig[] {
+    return this.portMap.get(port) || [];
+  }
+  
+  /**
+   * Find the matching route for a connection
+   */
+  public findMatchingRoute(context: IRouteContext): IRouteMatchResult | null {
+    // Get routes for this port if using port-based filtering
+    const routesToCheck = context.port 
+      ? (this.portMap.get(context.port) || []) 
+      : this.routes;
+    
+    // Find the first matching route based on priority order
+    for (const route of routesToCheck) {
+      if (this.matchesRoute(route, context)) {
+        return { route };
+      }
+    }
+    
+    return null;
+  }
+  
+  /**
+   * Check if a route matches the given context
+   */
+  private matchesRoute(route: IRouteConfig, context: IRouteContext): boolean {
+    // Skip disabled routes
+    if (route.enabled === false) {
+      return false;
+    }
+    
+    // Check port match if provided in context
+    if (context.port !== undefined) {
+      const ports = this.expandPortRange(route.match.ports);
+      if (!ports.includes(context.port)) {
+        return false;
+      }
+    }
+
+    // Check domain match if specified
+    if (route.match.domains && context.domain) {
+      const domains = Array.isArray(route.match.domains)
+        ? route.match.domains
+        : [route.match.domains];
+
+      if (!domains.some(domainPattern => this.matchDomain(domainPattern, context.domain!))) {
+        return false;
+      }
+    }
+
+    // Check path match if specified
+    if (route.match.path && context.path) {
+      if (!this.matchPath(route.match.path, context.path)) {
+        return false;
+      }
+    }
+
+    // Check client IP match if specified
+    if (route.match.clientIp && context.clientIp) {
+      if (!route.match.clientIp.some(ip => this.matchIpPattern(ip, context.clientIp))) {
+        return false;
+      }
+    }
+
+    // Check TLS version match if specified
+    if (route.match.tlsVersion && context.tlsVersion) {
+      if (!route.match.tlsVersion.includes(context.tlsVersion)) {
+        return false;
+      }
+    }
+    
+    // Check header match if specified
+    if (route.match.headers && context.headers) {
+      for (const [headerName, expectedValue] of Object.entries(route.match.headers)) {
+        const actualValue = context.headers[headerName.toLowerCase()];
+        
+        // If header doesn't exist, no match
+        if (actualValue === undefined) {
+          return false;
+        }
+        
+        // Match against string or regex
+        if (typeof expectedValue === 'string') {
+          if (actualValue !== expectedValue) {
+            return false;
+          }
+        } else if (expectedValue instanceof RegExp) {
+          if (!expectedValue.test(actualValue)) {
+            return false;
+          }
+        }
+      }
+    }
+
+    // All criteria matched
+    return true;
+  }
+  
+  /**
+   * Match a domain pattern against a domain
+   * @deprecated Use the matchDomain function from route-utils.js instead
+   */
+  public matchDomain(pattern: string, domain: string): boolean {
+    return matchDomain(pattern, domain);
+  }
+  
+  /**
+   * Match a path pattern against a path
+   * @deprecated Use the matchPath function from route-utils.js instead
+   */
+  public matchPath(pattern: string, path: string): boolean {
+    return matchPath(pattern, path);
+  }
+
+  /**
+   * Match an IP pattern against a pattern
+   * @deprecated Use the matchIpPattern function from route-utils.js instead
+   */
+  public matchIpPattern(pattern: string, ip: string): boolean {
+    return matchIpPattern(pattern, ip);
+  }
+  
+  /**
+   * Match an IP against a CIDR pattern
+   * @deprecated Use the matchIpCidr function from route-utils.js instead
+   */
+  public matchIpCidr(cidr: string, ip: string): boolean {
+    return matchIpCidr(cidr, ip);
+  }
+  
+  /**
+   * Convert an IP address to a numeric value
+   * @deprecated Use the ipToNumber function from route-utils.js instead
+   */
+  private ipToNumber(ip: string): number {
+    return ipToNumber(ip);
+  }
+  
+  /**
+   * Validate the route configuration and return any warnings
+   */
+  public validateConfiguration(): string[] {
+    const warnings: string[] = [];
+    const duplicatePorts = new Map<number, number>();
+    
+    // Check for routes with the same exact match criteria
+    for (let i = 0; i < this.routes.length; i++) {
+      for (let j = i + 1; j < this.routes.length; j++) {
+        const route1 = this.routes[i];
+        const route2 = this.routes[j];
+        
+        // Check if route match criteria are the same
+        if (this.areMatchesSimilar(route1.match, route2.match)) {
+          warnings.push(
+            `Routes "${route1.name || i}" and "${route2.name || j}" have similar match criteria. ` +
+            `The route with higher priority (${Math.max(route1.priority || 0, route2.priority || 0)}) will be used.`
+          );
+        }
+      }
+    }
+    
+    // Check for routes that may never be matched due to priority
+    for (let i = 0; i < this.routes.length; i++) {
+      const route = this.routes[i];
+      const higherPriorityRoutes = this.routes.filter(r => 
+        (r.priority || 0) > (route.priority || 0));
+      
+      for (const higherRoute of higherPriorityRoutes) {
+        if (this.isRouteShadowed(route, higherRoute)) {
+          warnings.push(
+            `Route "${route.name || i}" may never be matched because it is shadowed by ` +
+            `higher priority route "${higherRoute.name || 'unnamed'}"`
+          );
+          break;
+        }
+      }
+    }
+    
+    return warnings;
+  }
+  
+  /**
+   * Check if two route matches are similar (potential conflict)
+   */
+  private areMatchesSimilar(match1: IRouteMatch, match2: IRouteMatch): boolean {
+    // Check port overlap
+    const ports1 = new Set(this.expandPortRange(match1.ports));
+    const ports2 = new Set(this.expandPortRange(match2.ports));
+    
+    let havePortOverlap = false;
+    for (const port of ports1) {
+      if (ports2.has(port)) {
+        havePortOverlap = true;
+        break;
+      }
+    }
+    
+    if (!havePortOverlap) {
+      return false;
+    }
+    
+    // Check domain overlap
+    if (match1.domains && match2.domains) {
+      const domains1 = Array.isArray(match1.domains) ? match1.domains : [match1.domains];
+      const domains2 = Array.isArray(match2.domains) ? match2.domains : [match2.domains];
+      
+      // Check if any domain pattern from match1 could match any from match2
+      let haveDomainOverlap = false;
+      for (const domain1 of domains1) {
+        for (const domain2 of domains2) {
+          if (domain1 === domain2 || 
+              (domain1.includes('*') || domain2.includes('*'))) {
+            haveDomainOverlap = true;
+            break;
+          }
+        }
+        if (haveDomainOverlap) break;
+      }
+      
+      if (!haveDomainOverlap) {
+        return false;
+      }
+    } else if (match1.domains || match2.domains) {
+      // One has domains, the other doesn't - they could overlap
+      // The one with domains is more specific, so it's not exactly a conflict
+      return false;
+    }
+    
+    // Check path overlap
+    if (match1.path && match2.path) {
+      // This is a simplified check - in a real implementation,
+      // you'd need to check if the path patterns could match the same paths
+      return match1.path === match2.path || 
+             match1.path.includes('*') || 
+             match2.path.includes('*');
+    } else if (match1.path || match2.path) {
+      // One has a path, the other doesn't
+      return false;
+    }
+    
+    // If we get here, the matches have significant overlap
+    return true;
+  }
+  
+  /**
+   * Check if a route is completely shadowed by a higher priority route
+   */
+  private isRouteShadowed(route: IRouteConfig, higherPriorityRoute: IRouteConfig): boolean {
+    // If they don't have similar match criteria, no shadowing occurs
+    if (!this.areMatchesSimilar(route.match, higherPriorityRoute.match)) {
+      return false;
+    }
+    
+    // If higher priority route has more specific criteria, no shadowing
+    const routeSpecificity = calculateRouteSpecificity(route.match);
+    const higherRouteSpecificity = calculateRouteSpecificity(higherPriorityRoute.match);
+    
+    if (higherRouteSpecificity > routeSpecificity) {
+      return false;
+    }
+    
+    // If higher priority route is equally or less specific but has higher priority,
+    // it shadows the lower priority route
+    return true;
+  }
+  
+  /**
+   * Check if route1 is more specific than route2
+   * @deprecated Use the calculateRouteSpecificity function from route-utils.js instead
+   */
+  private isRouteMoreSpecific(match1: IRouteMatch, match2: IRouteMatch): boolean {
+    return calculateRouteSpecificity(match1) > calculateRouteSpecificity(match2);
+  }
+}

ts/core/utils/route-utils.ts

@@ -0,0 +1,293 @@
+/**
+ * Route matching utilities for SmartProxy components
+ * 
+ * Contains shared logic for domain matching, path matching, and IP matching
+ * to be used by different proxy components throughout the system.
+ */
+
+/**
+ * Match a domain pattern against a domain
+ * 
+ * @param pattern Domain pattern with optional wildcards (e.g., "*.example.com")
+ * @param domain Domain to match against the pattern
+ * @returns Whether the domain matches the pattern
+ */
+export function matchDomain(pattern: string, domain: string): boolean {
+  // Handle exact match
+  if (pattern === domain) {
+    return true;
+  }
+
+  // Handle wildcard pattern
+  if (pattern.includes('*')) {
+    const regexPattern = pattern
+      .replace(/\./g, '\\.')  // Escape dots
+      .replace(/\*/g, '.*');  // Convert * to .*
+
+    const regex = new RegExp(`^${regexPattern}$`, 'i');
+    return regex.test(domain);
+  }
+
+  return false;
+}
+
+/**
+ * Match domains from a route against a given domain
+ * 
+ * @param domains Array or single domain pattern to match against
+ * @param domain Domain to match
+ * @returns Whether the domain matches any of the patterns
+ */
+export function matchRouteDomain(domains: string | string[] | undefined, domain: string | undefined): boolean {
+  // If no domains specified in the route, match all domains
+  if (!domains) {
+    return true;
+  }
+
+  // If no domain in the request, can't match domain-specific routes
+  if (!domain) {
+    return false;
+  }
+  
+  const patterns = Array.isArray(domains) ? domains : [domains];
+  return patterns.some(pattern => matchDomain(pattern, domain));
+}
+
+/**
+ * Match a path pattern against a path
+ * 
+ * @param pattern Path pattern with optional wildcards
+ * @param path Path to match against the pattern
+ * @returns Whether the path matches the pattern
+ */
+export function matchPath(pattern: string, path: string): boolean {
+  // Handle exact match
+  if (pattern === path) {
+    return true;
+  }
+
+  // Handle simple wildcard at the end (like /api/*)
+  if (pattern.endsWith('*')) {
+    const prefix = pattern.slice(0, -1);
+    return path.startsWith(prefix);
+  }
+
+  // Handle more complex wildcard patterns
+  if (pattern.includes('*')) {
+    const regexPattern = pattern
+      .replace(/\./g, '\\.')   // Escape dots
+      .replace(/\*/g, '.*')    // Convert * to .*
+      .replace(/\//g, '\\/');  // Escape slashes
+    
+    const regex = new RegExp(`^${regexPattern}$`);
+    return regex.test(path);
+  }
+
+  return false;
+}
+
+/**
+ * Parse CIDR notation into subnet and mask bits
+ * 
+ * @param cidr CIDR string (e.g., "192.168.1.0/24")
+ * @returns Object with subnet and bits, or null if invalid
+ */
+export function parseCidr(cidr: string): { subnet: string; bits: number } | null {
+  try {
+    const [subnet, bitsStr] = cidr.split('/');
+    const bits = parseInt(bitsStr, 10);
+    
+    if (isNaN(bits) || bits < 0 || bits > 32) {
+      return null;
+    }
+    
+    return { subnet, bits };
+  } catch (e) {
+    return null;
+  }
+}
+
+/**
+ * Convert an IP address to a numeric value
+ * 
+ * @param ip IPv4 address string (e.g., "192.168.1.1")
+ * @returns Numeric representation of the IP
+ */
+export function ipToNumber(ip: string): number {
+  // Handle IPv6-mapped IPv4 addresses (::ffff:192.168.1.1)
+  if (ip.startsWith('::ffff:')) {
+    ip = ip.slice(7);
+  }
+  
+  const parts = ip.split('.').map(part => parseInt(part, 10));
+  return (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8) | parts[3];
+}
+
+/**
+ * Match an IP against a CIDR pattern
+ * 
+ * @param cidr CIDR pattern (e.g., "192.168.1.0/24")
+ * @param ip IP to match against the pattern
+ * @returns Whether the IP is in the CIDR range
+ */
+export function matchIpCidr(cidr: string, ip: string): boolean {
+  const parsed = parseCidr(cidr);
+  if (!parsed) {
+    return false;
+  }
+  
+  try {
+    const { subnet, bits } = parsed;
+    
+    // Convert IP addresses to numeric values
+    const ipNum = ipToNumber(ip);
+    const subnetNum = ipToNumber(subnet);
+    
+    // Calculate subnet mask
+    const maskNum = ~(2 ** (32 - bits) - 1);
+    
+    // Check if IP is in subnet
+    return (ipNum & maskNum) === (subnetNum & maskNum);
+  } catch (e) {
+    return false;
+  }
+}
+
+/**
+ * Match an IP pattern against an IP
+ * 
+ * @param pattern IP pattern (exact, CIDR, or with wildcards)
+ * @param ip IP to match against the pattern
+ * @returns Whether the IP matches the pattern
+ */
+export function matchIpPattern(pattern: string, ip: string): boolean {
+  // Handle exact match
+  if (pattern === ip) {
+    return true;
+  }
+  
+  // Handle "all" wildcard
+  if (pattern === '*') {
+    return true;
+  }
+  
+  // Handle CIDR notation (e.g., 192.168.1.0/24)
+  if (pattern.includes('/')) {
+    return matchIpCidr(pattern, ip);
+  }
+  
+  // Handle glob pattern (e.g., 192.168.1.*)
+  if (pattern.includes('*')) {
+    const regexPattern = pattern.replace(/\./g, '\\.').replace(/\*/g, '.*');
+    const regex = new RegExp(`^${regexPattern}$`);
+    return regex.test(ip);
+  }
+  
+  return false;
+}
+
+/**
+ * Match an IP against allowed and blocked IP patterns
+ * 
+ * @param ip IP to check
+ * @param allowedIps Array of allowed IP patterns
+ * @param blockedIps Array of blocked IP patterns
+ * @returns Whether the IP is allowed
+ */
+export function isIpAuthorized(
+  ip: string, 
+  allowedIps: string[] = ['*'], 
+  blockedIps: string[] = []
+): boolean {
+  // Check blocked IPs first
+  if (blockedIps.length > 0) {
+    for (const pattern of blockedIps) {
+      if (matchIpPattern(pattern, ip)) {
+        return false; // IP is blocked
+      }
+    }
+  }
+  
+  // If there are allowed IPs, check them
+  if (allowedIps.length > 0) {
+    // Special case: if '*' is in allowed IPs, all non-blocked IPs are allowed
+    if (allowedIps.includes('*')) {
+      return true;
+    }
+    
+    for (const pattern of allowedIps) {
+      if (matchIpPattern(pattern, ip)) {
+        return true; // IP is allowed
+      }
+    }
+    return false; // IP not in allowed list
+  }
+  
+  // No allowed IPs specified, so IP is allowed by default
+  return true;
+}
+
+/**
+ * Match an HTTP header pattern against a header value
+ * 
+ * @param pattern Expected header value (string or RegExp)
+ * @param value Actual header value
+ * @returns Whether the header matches the pattern
+ */
+export function matchHeader(pattern: string | RegExp, value: string): boolean {
+  if (typeof pattern === 'string') {
+    return pattern === value;
+  } else if (pattern instanceof RegExp) {
+    return pattern.test(value);
+  }
+  return false;
+}
+
+/**
+ * Calculate route specificity score
+ * Higher score means more specific matching criteria
+ * 
+ * @param match Match criteria to evaluate
+ * @returns Numeric specificity score
+ */
+export function calculateRouteSpecificity(match: {
+  domains?: string | string[];
+  path?: string;
+  clientIp?: string[];
+  tlsVersion?: string[];
+  headers?: Record<string, string | RegExp>;
+}): number {
+  let score = 0;
+  
+  // Path is very specific
+  if (match.path) {
+    // More specific if it doesn't use wildcards
+    score += match.path.includes('*') ? 3 : 4;
+  }
+  
+  // Domain is next most specific
+  if (match.domains) {
+    const domains = Array.isArray(match.domains) ? match.domains : [match.domains];
+    // More domains or more specific domains (without wildcards) increase specificity
+    score += domains.length;
+    // Add bonus for exact domains (without wildcards)
+    score += domains.some(d => !d.includes('*')) ? 1 : 0;
+  }
+  
+  // Headers are quite specific
+  if (match.headers) {
+    score += Object.keys(match.headers).length * 2;
+  }
+  
+  // Client IP adds some specificity
+  if (match.clientIp && match.clientIp.length > 0) {
+    score += 1;
+  }
+  
+  // TLS version adds minimal specificity
+  if (match.tlsVersion && match.tlsVersion.length > 0) {
+    score += 1;
+  }
+  
+  return score;
+}

ts/core/utils/security-utils.ts

@@ -0,0 +1,309 @@
+import * as plugins from '../../plugins.js';
+import { 
+  matchIpPattern, 
+  ipToNumber,
+  matchIpCidr
+} from './route-utils.js';
+
+/**
+ * Security utilities for IP validation, rate limiting, 
+ * authentication, and other security features
+ */
+
+/**
+ * Result of IP validation
+ */
+export interface IIpValidationResult {
+  allowed: boolean;
+  reason?: string;
+}
+
+/**
+ * IP connection tracking information
+ */
+export interface IIpConnectionInfo {
+  connections: Set<string>;  // ConnectionIDs
+  timestamps: number[];      // Connection timestamps
+  ipVariants: string[];      // Normalized IP variants (e.g., ::ffff:127.0.0.1 and 127.0.0.1)
+}
+
+/**
+ * Rate limit tracking
+ */
+export interface IRateLimitInfo {
+  count: number;
+  expiry: number;
+}
+
+/**
+ * Logger interface for security utilities
+ */
+export interface ISecurityLogger {
+  info: (message: string, ...args: any[]) => void;
+  warn: (message: string, ...args: any[]) => void;
+  error: (message: string, ...args: any[]) => void;
+  debug?: (message: string, ...args: any[]) => void;
+}
+
+/**
+ * Normalize IP addresses for comparison
+ * Handles IPv4-mapped IPv6 addresses (::ffff:127.0.0.1)
+ * 
+ * @param ip IP address to normalize
+ * @returns Array of equivalent IP representations
+ */
+export function normalizeIP(ip: string): string[] {
+  if (!ip) return [];
+  
+  // Handle IPv4-mapped IPv6 addresses (::ffff:127.0.0.1)
+  if (ip.startsWith('::ffff:')) {
+    const ipv4 = ip.slice(7);
+    return [ip, ipv4];
+  }
+  
+  // Handle IPv4 addresses by also checking IPv4-mapped form
+  if (/^\d{1,3}(\.\d{1,3}){3}$/.test(ip)) {
+    return [ip, `::ffff:${ip}`];
+  }
+  
+  return [ip];
+}
+
+/**
+ * Check if an IP is authorized based on allow and block lists
+ *
+ * @param ip - The IP address to check
+ * @param allowedIPs - Array of allowed IP patterns
+ * @param blockedIPs - Array of blocked IP patterns
+ * @returns Whether the IP is authorized
+ */
+export function isIPAuthorized(
+  ip: string, 
+  allowedIPs: string[] = ['*'], 
+  blockedIPs: string[] = []
+): boolean {
+  // Skip IP validation if no rules
+  if (!ip || (allowedIPs.length === 0 && blockedIPs.length === 0)) {
+    return true;
+  }
+
+  // First check if IP is blocked - blocked IPs take precedence
+  if (blockedIPs.length > 0) {
+    for (const pattern of blockedIPs) {
+      if (matchIpPattern(pattern, ip)) {
+        return false;
+      }
+    }
+  }
+
+  // If allowed IPs list has wildcard, all non-blocked IPs are allowed
+  if (allowedIPs.includes('*')) {
+    return true;
+  }
+
+  // Then check if IP is allowed in the explicit allow list
+  if (allowedIPs.length > 0) {
+    for (const pattern of allowedIPs) {
+      if (matchIpPattern(pattern, ip)) {
+        return true;
+      }
+    }
+    // If allowedIPs is specified but no match, deny access
+    return false;
+  }
+
+  // Default allow if no explicit allow list
+  return true;
+}
+
+/**
+ * Check if an IP exceeds maximum connections
+ *
+ * @param ip - The IP address to check
+ * @param ipConnectionsMap - Map of IPs to connection info
+ * @param maxConnectionsPerIP - Maximum allowed connections per IP
+ * @returns Result with allowed status and reason if blocked
+ */
+export function checkMaxConnections(
+  ip: string,
+  ipConnectionsMap: Map<string, IIpConnectionInfo>,
+  maxConnectionsPerIP: number
+): IIpValidationResult {
+  if (!ipConnectionsMap.has(ip)) {
+    return { allowed: true };
+  }
+
+  const connectionCount = ipConnectionsMap.get(ip)!.connections.size;
+  
+  if (connectionCount >= maxConnectionsPerIP) {
+    return {
+      allowed: false,
+      reason: `Maximum connections per IP (${maxConnectionsPerIP}) exceeded`
+    };
+  }
+
+  return { allowed: true };
+}
+
+/**
+ * Check if an IP exceeds connection rate limit
+ *
+ * @param ip - The IP address to check
+ * @param ipConnectionsMap - Map of IPs to connection info
+ * @param rateLimit - Maximum connections per minute
+ * @returns Result with allowed status and reason if blocked
+ */
+export function checkConnectionRate(
+  ip: string,
+  ipConnectionsMap: Map<string, IIpConnectionInfo>,
+  rateLimit: number
+): IIpValidationResult {
+  const now = Date.now();
+  const minute = 60 * 1000;
+
+  // Get or create connection info
+  if (!ipConnectionsMap.has(ip)) {
+    const info: IIpConnectionInfo = {
+      connections: new Set(),
+      timestamps: [now],
+      ipVariants: normalizeIP(ip)
+    };
+    ipConnectionsMap.set(ip, info);
+    return { allowed: true };
+  }
+
+  // Get timestamps and filter out entries older than 1 minute
+  const info = ipConnectionsMap.get(ip)!;
+  const timestamps = info.timestamps.filter(time => now - time < minute);
+  timestamps.push(now);
+  info.timestamps = timestamps;
+
+  // Check if rate exceeds limit
+  if (timestamps.length > rateLimit) {
+    return {
+      allowed: false,
+      reason: `Connection rate limit (${rateLimit}/min) exceeded`
+    };
+  }
+
+  return { allowed: true };
+}
+
+/**
+ * Track a connection for an IP
+ *
+ * @param ip - The IP address
+ * @param connectionId - The connection ID to track
+ * @param ipConnectionsMap - Map of IPs to connection info
+ */
+export function trackConnection(
+  ip: string,
+  connectionId: string,
+  ipConnectionsMap: Map<string, IIpConnectionInfo>
+): void {
+  if (!ipConnectionsMap.has(ip)) {
+    ipConnectionsMap.set(ip, {
+      connections: new Set([connectionId]),
+      timestamps: [Date.now()],
+      ipVariants: normalizeIP(ip)
+    });
+    return;
+  }
+
+  const info = ipConnectionsMap.get(ip)!;
+  info.connections.add(connectionId);
+}
+
+/**
+ * Remove connection tracking for an IP
+ *
+ * @param ip - The IP address
+ * @param connectionId - The connection ID to remove
+ * @param ipConnectionsMap - Map of IPs to connection info
+ */
+export function removeConnection(
+  ip: string,
+  connectionId: string,
+  ipConnectionsMap: Map<string, IIpConnectionInfo>
+): void {
+  if (!ipConnectionsMap.has(ip)) return;
+
+  const info = ipConnectionsMap.get(ip)!;
+  info.connections.delete(connectionId);
+
+  if (info.connections.size === 0) {
+    ipConnectionsMap.delete(ip);
+  }
+}
+
+/**
+ * Clean up expired rate limits
+ *
+ * @param rateLimits - Map of rate limits to clean up
+ * @param logger - Logger for debug messages
+ */
+export function cleanupExpiredRateLimits(
+  rateLimits: Map<string, Map<string, IRateLimitInfo>>,
+  logger?: ISecurityLogger
+): void {
+  const now = Date.now();
+  let totalRemoved = 0;
+
+  for (const [routeId, routeLimits] of rateLimits.entries()) {
+    let removed = 0;
+    for (const [key, limit] of routeLimits.entries()) {
+      if (limit.expiry < now) {
+        routeLimits.delete(key);
+        removed++;
+        totalRemoved++;
+      }
+    }
+    
+    if (removed > 0 && logger?.debug) {
+      logger.debug(`Cleaned up ${removed} expired rate limits for route ${routeId}`);
+    }
+  }
+  
+  if (totalRemoved > 0 && logger?.info) {
+    logger.info(`Cleaned up ${totalRemoved} expired rate limits total`);
+  }
+}
+
+/**
+ * Generate basic auth header value from username and password
+ *
+ * @param username - The username
+ * @param password - The password
+ * @returns Base64 encoded basic auth string
+ */
+export function generateBasicAuthHeader(username: string, password: string): string {
+  return `Basic ${Buffer.from(`${username}:${password}`).toString('base64')}`;
+}
+
+/**
+ * Parse basic auth header
+ *
+ * @param authHeader - The Authorization header value
+ * @returns Username and password, or null if invalid
+ */
+export function parseBasicAuthHeader(
+  authHeader: string
+): { username: string; password: string } | null {
+  if (!authHeader || !authHeader.startsWith('Basic ')) {
+    return null;
+  }
+
+  try {
+    const base64 = authHeader.slice(6); // Remove 'Basic '
+    const decoded = Buffer.from(base64, 'base64').toString();
+    const [username, password] = decoded.split(':');
+    
+    if (!username || !password) {
+      return null;
+    }
+
+    return { username, password };
+  } catch (err) {
+    return null;
+  }
+}

ts/core/utils/shared-security-manager.ts

@@ -0,0 +1,333 @@
+import * as plugins from '../../plugins.js';
+import type { IRouteConfig, IRouteContext } from '../../proxies/smart-proxy/models/route-types.js';
+import type {
+  IIpValidationResult,
+  IIpConnectionInfo,
+  ISecurityLogger,
+  IRateLimitInfo
+} from './security-utils.js';
+import {
+  isIPAuthorized,
+  checkMaxConnections,
+  checkConnectionRate,
+  trackConnection,
+  removeConnection,
+  cleanupExpiredRateLimits,
+  parseBasicAuthHeader
+} from './security-utils.js';
+
+/**
+ * Shared SecurityManager for use across proxy components
+ * Handles IP tracking, rate limiting, and authentication
+ */
+export class SharedSecurityManager {
+  // IP connection tracking
+  private connectionsByIP: Map<string, IIpConnectionInfo> = new Map();
+  
+  // Route-specific rate limiting
+  private rateLimits: Map<string, Map<string, IRateLimitInfo>> = new Map();
+  
+  // Cache IP filtering results to avoid constant regex matching
+  private ipFilterCache: Map<string, Map<string, boolean>> = new Map();
+  
+  // Default limits
+  private maxConnectionsPerIP: number;
+  private connectionRateLimitPerMinute: number;
+  
+  // Cache cleanup interval
+  private cleanupInterval: NodeJS.Timeout | null = null;
+  
+  /**
+   * Create a new SharedSecurityManager
+   * 
+   * @param options - Configuration options
+   * @param logger - Logger instance
+   */
+  constructor(options: {
+    maxConnectionsPerIP?: number;
+    connectionRateLimitPerMinute?: number;
+    cleanupIntervalMs?: number;
+    routes?: IRouteConfig[];
+  }, private logger?: ISecurityLogger) {
+    this.maxConnectionsPerIP = options.maxConnectionsPerIP || 100;
+    this.connectionRateLimitPerMinute = options.connectionRateLimitPerMinute || 300;
+    
+    // Set up logger with defaults if not provided
+    this.logger = logger || {
+      info: console.log,
+      warn: console.warn,
+      error: console.error
+    };
+    
+    // Set up cache cleanup interval
+    const cleanupInterval = options.cleanupIntervalMs || 60000; // Default: 1 minute
+    this.cleanupInterval = setInterval(() => {
+      this.cleanupCaches();
+    }, cleanupInterval);
+    
+    // Don't keep the process alive just for cleanup
+    if (this.cleanupInterval.unref) {
+      this.cleanupInterval.unref();
+    }
+  }
+  
+  /**
+   * Get connections count by IP
+   * 
+   * @param ip - The IP address to check
+   * @returns Number of connections from this IP
+   */
+  public getConnectionCountByIP(ip: string): number {
+    return this.connectionsByIP.get(ip)?.connections.size || 0;
+  }
+  
+  /**
+   * Track connection by IP
+   * 
+   * @param ip - The IP address to track
+   * @param connectionId - The connection ID to associate
+   */
+  public trackConnectionByIP(ip: string, connectionId: string): void {
+    trackConnection(ip, connectionId, this.connectionsByIP);
+  }
+  
+  /**
+   * Remove connection tracking for an IP
+   * 
+   * @param ip - The IP address to update
+   * @param connectionId - The connection ID to remove
+   */
+  public removeConnectionByIP(ip: string, connectionId: string): void {
+    removeConnection(ip, connectionId, this.connectionsByIP);
+  }
+  
+  /**
+   * Check if IP is authorized based on route security settings
+   * 
+   * @param ip - The IP address to check
+   * @param allowedIPs - List of allowed IP patterns
+   * @param blockedIPs - List of blocked IP patterns
+   * @returns Whether the IP is authorized
+   */
+  public isIPAuthorized(
+    ip: string,
+    allowedIPs: string[] = ['*'],
+    blockedIPs: string[] = []
+  ): boolean {
+    return isIPAuthorized(ip, allowedIPs, blockedIPs);
+  }
+  
+  /**
+   * Validate IP against rate limits and connection limits
+   * 
+   * @param ip - The IP address to validate
+   * @returns Result with allowed status and reason if blocked
+   */
+  public validateIP(ip: string): IIpValidationResult {
+    // Check connection count limit
+    const connectionResult = checkMaxConnections(
+      ip, 
+      this.connectionsByIP, 
+      this.maxConnectionsPerIP
+    );
+    if (!connectionResult.allowed) {
+      return connectionResult;
+    }
+    
+    // Check connection rate limit
+    const rateResult = checkConnectionRate(
+      ip, 
+      this.connectionsByIP, 
+      this.connectionRateLimitPerMinute
+    );
+    if (!rateResult.allowed) {
+      return rateResult;
+    }
+    
+    return { allowed: true };
+  }
+  
+  /**
+   * Check if a client is allowed to access a specific route
+   * 
+   * @param route - The route to check
+   * @param context - The request context
+   * @returns Whether access is allowed
+   */
+  public isAllowed(route: IRouteConfig, context: IRouteContext): boolean {
+    if (!route.security) {
+      return true; // No security restrictions
+    }
+    
+    // --- IP filtering ---
+    if (!this.isClientIpAllowed(route, context.clientIp)) {
+      this.logger?.debug?.(`IP ${context.clientIp} is blocked for route ${route.name || 'unnamed'}`);
+      return false;
+    }
+    
+    // --- Rate limiting ---
+    if (route.security.rateLimit?.enabled && !this.isWithinRateLimit(route, context)) {
+      this.logger?.debug?.(`Rate limit exceeded for route ${route.name || 'unnamed'}`);
+      return false;
+    }
+    
+    return true;
+  }
+  
+  /**
+   * Check if a client IP is allowed for a route
+   * 
+   * @param route - The route to check
+   * @param clientIp - The client IP
+   * @returns Whether the IP is allowed
+   */
+  private isClientIpAllowed(route: IRouteConfig, clientIp: string): boolean {
+    if (!route.security) {
+      return true; // No security restrictions
+    }
+    
+    const routeId = route.id || route.name || 'unnamed';
+    
+    // Check cache first
+    if (!this.ipFilterCache.has(routeId)) {
+      this.ipFilterCache.set(routeId, new Map());
+    }
+    
+    const routeCache = this.ipFilterCache.get(routeId)!;
+    if (routeCache.has(clientIp)) {
+      return routeCache.get(clientIp)!;
+    }
+    
+    // Check IP against route security settings
+    const ipAllowList = route.security.ipAllowList || route.security.allowedIps;
+    const ipBlockList = route.security.ipBlockList || route.security.blockedIps;
+    
+    const allowed = this.isIPAuthorized(clientIp, ipAllowList, ipBlockList);
+    
+    // Cache the result
+    routeCache.set(clientIp, allowed);
+    
+    return allowed;
+  }
+  
+  /**
+   * Check if request is within rate limit
+   * 
+   * @param route - The route to check
+   * @param context - The request context
+   * @returns Whether the request is within rate limit
+   */
+  private isWithinRateLimit(route: IRouteConfig, context: IRouteContext): boolean {
+    if (!route.security?.rateLimit?.enabled) {
+      return true;
+    }
+    
+    const rateLimit = route.security.rateLimit;
+    const routeId = route.id || route.name || 'unnamed';
+    
+    // Determine rate limit key (by IP, path, or header)
+    let key = context.clientIp; // Default to IP
+    
+    if (rateLimit.keyBy === 'path' && context.path) {
+      key = `${context.clientIp}:${context.path}`;
+    } else if (rateLimit.keyBy === 'header' && rateLimit.headerName && context.headers) {
+      const headerValue = context.headers[rateLimit.headerName.toLowerCase()];
+      if (headerValue) {
+        key = `${context.clientIp}:${headerValue}`;
+      }
+    }
+    
+    // Get or create rate limit tracking for this route
+    if (!this.rateLimits.has(routeId)) {
+      this.rateLimits.set(routeId, new Map());
+    }
+    
+    const routeLimits = this.rateLimits.get(routeId)!;
+    const now = Date.now();
+    
+    // Get or create rate limit tracking for this key
+    let limit = routeLimits.get(key);
+    if (!limit || limit.expiry < now) {
+      // Create new rate limit or reset expired one
+      limit = {
+        count: 1,
+        expiry: now + (rateLimit.window * 1000)
+      };
+      routeLimits.set(key, limit);
+      return true;
+    }
+    
+    // Increment the counter
+    limit.count++;
+    
+    // Check if rate limit is exceeded
+    return limit.count <= rateLimit.maxRequests;
+  }
+  
+  /**
+   * Validate HTTP Basic Authentication
+   * 
+   * @param route - The route to check
+   * @param authHeader - The Authorization header
+   * @returns Whether authentication is valid
+   */
+  public validateBasicAuth(route: IRouteConfig, authHeader?: string): boolean {
+    // Skip if basic auth not enabled for route
+    if (!route.security?.basicAuth?.enabled) {
+      return true;
+    }
+    
+    // No auth header means auth failed
+    if (!authHeader) {
+      return false;
+    }
+    
+    // Parse auth header
+    const credentials = parseBasicAuthHeader(authHeader);
+    if (!credentials) {
+      return false;
+    }
+    
+    // Check credentials against configured users
+    const { username, password } = credentials;
+    const users = route.security.basicAuth.users;
+    
+    return users.some(user => 
+      user.username === username && user.password === password
+    );
+  }
+  
+  /**
+   * Clean up caches to prevent memory leaks
+   */
+  private cleanupCaches(): void {
+    // Clean up rate limits
+    cleanupExpiredRateLimits(this.rateLimits, this.logger);
+    
+    // IP filter cache doesn't need cleanup (tied to routes)
+  }
+  
+  /**
+   * Clear all IP tracking data (for shutdown)
+   */
+  public clearIPTracking(): void {
+    this.connectionsByIP.clear();
+    this.rateLimits.clear();
+    this.ipFilterCache.clear();
+    
+    if (this.cleanupInterval) {
+      clearInterval(this.cleanupInterval);
+      this.cleanupInterval = null;
+    }
+  }
+  
+  /**
+   * Update routes for security checking
+   * 
+   * @param routes - New routes to use
+   */
+  public setRoutes(routes: IRouteConfig[]): void {
+    // Only clear the IP filter cache - route-specific
+    this.ipFilterCache.clear();
+  }
+}

ts/core/utils/template-utils.ts

@@ -0,0 +1,124 @@
+import type { IRouteContext } from '../models/route-context.js';
+
+/**
+ * Utility class for resolving template variables in strings
+ */
+export class TemplateUtils {
+  /**
+   * Resolve template variables in a string using the route context
+   * Supports variables like {domain}, {path}, {clientIp}, etc.
+   * 
+   * @param template The template string with {variables}
+   * @param context The route context with values
+   * @returns The resolved string
+   */
+  public static resolveTemplateVariables(template: string, context: IRouteContext): string {
+    if (!template) {
+      return template;
+    }
+    
+    // Replace variables with values from context
+    return template.replace(/\{([a-zA-Z0-9_\.]+)\}/g, (match, varName) => {
+      // Handle nested properties with dot notation (e.g., {headers.host})
+      if (varName.includes('.')) {
+        const parts = varName.split('.');
+        let current: any = context;
+        
+        // Traverse nested object structure
+        for (const part of parts) {
+          if (current === undefined || current === null) {
+            return match; // Return original if path doesn't exist
+          }
+          current = current[part];
+        }
+        
+        // Return the resolved value if it exists
+        if (current !== undefined && current !== null) {
+          return TemplateUtils.convertToString(current);
+        }
+        
+        return match;
+      }
+
+      // Direct property access
+      const value = context[varName as keyof IRouteContext];
+      if (value === undefined) {
+        return match; // Keep the original {variable} if not found
+      }
+
+      // Convert value to string
+      return TemplateUtils.convertToString(value);
+    });
+  }
+  
+  /**
+   * Safely convert a value to a string
+   * 
+   * @param value Any value to convert to string
+   * @returns String representation or original match for complex objects
+   */
+  private static convertToString(value: any): string {
+    if (value === null || value === undefined) {
+      return '';
+    }
+    
+    if (typeof value === 'string') {
+      return value;
+    }
+    
+    if (typeof value === 'number' || typeof value === 'boolean') {
+      return value.toString();
+    }
+    
+    if (Array.isArray(value)) {
+      return value.join(',');
+    }
+    
+    if (typeof value === 'object') {
+      try {
+        return JSON.stringify(value);
+      } catch (e) {
+        return '[Object]';
+      }
+    }
+    
+    return String(value);
+  }
+  
+  /**
+   * Resolve template variables in header values
+   * 
+   * @param headers Header object with potential template variables
+   * @param context Route context for variable resolution
+   * @returns New header object with resolved values
+   */
+  public static resolveHeaderTemplates(
+    headers: Record<string, string>,
+    context: IRouteContext
+  ): Record<string, string> {
+    const result: Record<string, string> = {};
+    
+    for (const [key, value] of Object.entries(headers)) {
+      // Skip special directive headers (starting with !)
+      if (value.startsWith('!')) {
+        result[key] = value;
+        continue;
+      }
+      
+      // Resolve template variables in the header value
+      result[key] = TemplateUtils.resolveTemplateVariables(value, context);
+    }
+    
+    return result;
+  }
+  
+  /**
+   * Check if a string contains template variables
+   * 
+   * @param str String to check for template variables
+   * @returns True if string contains template variables
+   */
+  public static containsTemplateVariables(str: string): boolean {
+    return !!str && /\{([a-zA-Z0-9_\.]+)\}/g.test(str);
+  }
+}

ts/core/utils/websocket-utils.ts

@@ -0,0 +1,81 @@
+/**
+ * WebSocket utility functions
+ */
+
+/**
+ * Type for WebSocket RawData that can be different types in different environments
+ * This matches the ws library's type definition
+ */
+export type RawData = Buffer | ArrayBuffer | Buffer[] | any;
+
+/**
+ * Get the length of a WebSocket message regardless of its type
+ * (handles all possible WebSocket message data types)
+ * 
+ * @param data - The data message from WebSocket (could be any RawData type)
+ * @returns The length of the data in bytes
+ */
+export function getMessageSize(data: RawData): number {
+  if (typeof data === 'string') {
+    // For string data, get the byte length
+    return Buffer.from(data, 'utf8').length;
+  } else if (data instanceof Buffer) {
+    // For Node.js Buffer
+    return data.length;
+  } else if (data instanceof ArrayBuffer) {
+    // For ArrayBuffer
+    return data.byteLength;
+  } else if (Array.isArray(data)) {
+    // For array of buffers, sum their lengths
+    return data.reduce((sum, chunk) => {
+      if (chunk instanceof Buffer) {
+        return sum + chunk.length;
+      } else if (chunk instanceof ArrayBuffer) {
+        return sum + chunk.byteLength;
+      }
+      return sum;
+    }, 0);
+  } else {
+    // For other types, try to determine the size or return 0
+    try {
+      return Buffer.from(data).length;
+    } catch (e) {
+      console.warn('Could not determine message size', e);
+      return 0;
+    }
+  }
+}
+
+/**
+ * Convert any raw WebSocket data to Buffer for consistent handling
+ * 
+ * @param data - The data message from WebSocket (could be any RawData type)
+ * @returns A Buffer containing the data
+ */
+export function toBuffer(data: RawData): Buffer {
+  if (typeof data === 'string') {
+    return Buffer.from(data, 'utf8');
+  } else if (data instanceof Buffer) {
+    return data;
+  } else if (data instanceof ArrayBuffer) {
+    return Buffer.from(data);
+  } else if (Array.isArray(data)) {
+    // For array of buffers, concatenate them
+    return Buffer.concat(data.map(chunk => {
+      if (chunk instanceof Buffer) {
+        return chunk;
+      } else if (chunk instanceof ArrayBuffer) {
+        return Buffer.from(chunk);
+      }
+      return Buffer.from(chunk);
+    }));
+  } else {
+    // For other types, try to convert to Buffer or return empty Buffer
+    try {
+      return Buffer.from(data);
+    } catch (e) {
+      console.warn('Could not convert message to Buffer', e);
+      return Buffer.alloc(0);
+    }
+  }
+}

ts/http/router/index.ts

@@ -2,4 +2,11 @@
  * HTTP routing
  */
 
-export * from './proxy-router.js';
+// Export selectively to avoid ambiguity between duplicate type names
+export { ProxyRouter } from './proxy-router.js';
+export type { IPathPatternConfig } from './proxy-router.js';
+// Re-export the RouterResult and PathPatternConfig from proxy-router.js (legacy names maintained for compatibility)
+export type { PathPatternConfig as ProxyPathPatternConfig, RouterResult as ProxyRouterResult } from './proxy-router.js';
+
+export { RouteRouter } from './route-router.js';
+export type { PathPatternConfig as RoutePathPatternConfig, RouterResult as RouteRouterResult } from './route-router.js';

ts/http/router/route-router.ts

@@ -0,0 +1,482 @@
+import * as plugins from '../../plugins.js';
+import type { IRouteConfig } from '../../proxies/smart-proxy/models/route-types.js';
+import type { ILogger } from '../../proxies/network-proxy/models/types.js';
+
+/**
+ * Optional path pattern configuration that can be added to proxy configs
+ */
+export interface PathPatternConfig {
+  pathPattern?: string;
+}
+
+/**
+ * Interface for router result with additional metadata
+ */
+export interface RouterResult {
+  route: IRouteConfig;
+  pathMatch?: string;
+  pathParams?: Record<string, string>;
+  pathRemainder?: string;
+}
+
+/**
+ * Router for HTTP reverse proxy requests based on route configurations
+ * 
+ * Supports the following domain matching patterns:
+ * - Exact matches: "example.com"
+ * - Wildcard subdomains: "*.example.com" (matches any subdomain of example.com)
+ * - TLD wildcards: "example.*" (matches example.com, example.org, etc.)
+ * - Complex wildcards: "*.lossless*" (matches any subdomain of any lossless domain)
+ * - Default fallback: "*" (matches any unmatched domain)
+ * 
+ * Also supports path pattern matching for each domain:
+ * - Exact path: "/api/users"
+ * - Wildcard paths: "/api/*" 
+ * - Path parameters: "/users/:id/profile"
+ */
+export class RouteRouter {
+  // Store original routes for reference
+  private routes: IRouteConfig[] = [];
+  // Default route to use when no match is found (optional)
+  private defaultRoute?: IRouteConfig;
+  // Store path patterns separately since they're not in the original interface
+  private pathPatterns: Map<IRouteConfig, string> = new Map();
+  // Logger interface
+  private logger: ILogger;
+
+  constructor(
+    routes?: IRouteConfig[],
+    logger?: ILogger
+  ) {
+    this.logger = logger || {
+      error: console.error,
+      warn: console.warn,
+      info: console.info,
+      debug: console.debug
+    };
+    
+    if (routes) {
+      this.setRoutes(routes);
+    }
+  }
+
+  /**
+   * Sets a new set of routes to be routed to
+   * @param routes Array of route configurations
+   */
+  public setRoutes(routes: IRouteConfig[]): void {
+    this.routes = [...routes];
+
+    // Sort routes by priority
+    this.routes.sort((a, b) => {
+      const priorityA = a.priority ?? 0;
+      const priorityB = b.priority ?? 0;
+      return priorityB - priorityA;
+    });
+
+    // Find default route if any (route with "*" as domain)
+    this.defaultRoute = this.routes.find(route => {
+      const domains = Array.isArray(route.match.domains) 
+        ? route.match.domains 
+        : [route.match.domains];
+      return domains.includes('*');
+    });
+
+    // Extract path patterns from route match.path
+    for (const route of this.routes) {
+      if (route.match.path) {
+        this.pathPatterns.set(route, route.match.path);
+      }
+    }
+
+    const uniqueDomains = this.getHostnames();
+    this.logger.info(`Router initialized with ${this.routes.length} routes (${uniqueDomains.length} unique hosts)`);
+  }
+
+  /**
+   * Routes a request based on hostname and path
+   * @param req The incoming HTTP request
+   * @returns The matching route or undefined if no match found
+   */
+  public routeReq(req: plugins.http.IncomingMessage): IRouteConfig | undefined {
+    const result = this.routeReqWithDetails(req);
+    return result ? result.route : undefined;
+  }
+
+  /**
+   * Routes a request with detailed matching information
+   * @param req The incoming HTTP request
+   * @returns Detailed routing result including matched route and path information
+   */
+  public routeReqWithDetails(req: plugins.http.IncomingMessage): RouterResult | undefined {
+    // Extract and validate host header
+    const originalHost = req.headers.host;
+    if (!originalHost) {
+      this.logger.error('No host header found in request');
+      return this.defaultRoute ? { route: this.defaultRoute } : undefined;
+    }
+    
+    // Parse URL for path matching
+    const parsedUrl = plugins.url.parse(req.url || '/');
+    const urlPath = parsedUrl.pathname || '/';
+    
+    // Extract hostname without port
+    const hostWithoutPort = originalHost.split(':')[0].toLowerCase();
+    
+    // First try exact hostname match
+    const exactRoute = this.findRouteForHost(hostWithoutPort, urlPath);
+    if (exactRoute) {
+      return exactRoute;
+    }
+    
+    // Try various wildcard patterns
+    if (hostWithoutPort.includes('.')) {
+      const domainParts = hostWithoutPort.split('.');
+      
+      // Try wildcard subdomain (*.example.com)
+      if (domainParts.length > 2) {
+        const wildcardDomain = `*.${domainParts.slice(1).join('.')}`;
+        const wildcardRoute = this.findRouteForHost(wildcardDomain, urlPath);
+        if (wildcardRoute) {
+          return wildcardRoute;
+        }
+      }
+      
+      // Try TLD wildcard (example.*)
+      const baseDomain = domainParts.slice(0, -1).join('.');
+      const tldWildcardDomain = `${baseDomain}.*`;
+      const tldWildcardRoute = this.findRouteForHost(tldWildcardDomain, urlPath);
+      if (tldWildcardRoute) {
+        return tldWildcardRoute;
+      }
+
+      // Try complex wildcard patterns
+      const wildcardPatterns = this.findWildcardMatches(hostWithoutPort);
+      for (const pattern of wildcardPatterns) {
+        const wildcardRoute = this.findRouteForHost(pattern, urlPath);
+        if (wildcardRoute) {
+          return wildcardRoute;
+        }
+      }
+    }
+    
+    // Fall back to default route if available
+    if (this.defaultRoute) {
+      this.logger.warn(`No specific route found for host: ${hostWithoutPort}, using default`);
+      return { route: this.defaultRoute };
+    }
+    
+    this.logger.error(`No route found for host: ${hostWithoutPort}`);
+    return undefined;
+  }
+  
+  /**
+   * Find potential wildcard patterns that could match a given hostname
+   * Handles complex patterns like "*.lossless*" or other partial matches
+   * @param hostname The hostname to find wildcard matches for
+   * @returns Array of potential wildcard patterns that could match
+   */
+  private findWildcardMatches(hostname: string): string[] {
+    const patterns: string[] = [];
+    
+    // Find all routes with wildcard domains
+    for (const route of this.routes) {
+      if (!route.match.domains) continue;
+      
+      const domains = Array.isArray(route.match.domains) 
+        ? route.match.domains 
+        : [route.match.domains];
+      
+      // Filter to only wildcard domains
+      const wildcardDomains = domains.filter(domain => domain.includes('*'));
+      
+      // Convert each wildcard domain to a regex pattern and check if it matches
+      for (const domain of wildcardDomains) {
+        // Skip the default wildcard '*'
+        if (domain === '*') continue;
+        
+        // Skip already checked patterns (*.domain.com and domain.*)
+        if (domain.startsWith('*.') && domain.indexOf('*', 2) === -1) continue;
+        if (domain.endsWith('.*') && domain.indexOf('*') === domain.length - 1) continue;
+        
+        // Convert wildcard pattern to regex
+        const regexPattern = domain
+          .replace(/\./g, '\\.')  // Escape dots
+          .replace(/\*/g, '.*');  // Convert * to .* for regex
+        
+        // Create regex object with case insensitive flag
+        const regex = new RegExp(`^${regexPattern}$`, 'i');
+        
+        // If hostname matches this complex pattern, add it to the list
+        if (regex.test(hostname)) {
+          patterns.push(domain);
+        }
+      }
+    }
+    
+    return patterns;
+  }
+
+  /**
+   * Find a route for a specific host and path
+   */
+  private findRouteForHost(hostname: string, path: string): RouterResult | undefined {
+    // Find all routes for this hostname
+    const matchingRoutes = this.routes.filter(route => {
+      if (!route.match.domains) return false;
+      
+      const domains = Array.isArray(route.match.domains) 
+        ? route.match.domains 
+        : [route.match.domains];
+      
+      return domains.some(domain => domain.toLowerCase() === hostname.toLowerCase());
+    });
+    
+    if (matchingRoutes.length === 0) {
+      return undefined;
+    }
+    
+    // First try routes with path patterns
+    const routesWithPaths = matchingRoutes.filter(route => this.pathPatterns.has(route));
+    
+    // Already sorted by priority during setRoutes
+    
+    // Check each route with path pattern
+    for (const route of routesWithPaths) {
+      const pathPattern = this.pathPatterns.get(route);
+      if (pathPattern) {
+        const pathMatch = this.matchPath(path, pathPattern);
+        if (pathMatch) {
+          return {
+            route,
+            pathMatch: pathMatch.matched,
+            pathParams: pathMatch.params,
+            pathRemainder: pathMatch.remainder
+          };
+        }
+      }
+    }
+    
+    // If no path pattern matched, use the first route without a path pattern
+    const routeWithoutPath = matchingRoutes.find(route => !this.pathPatterns.has(route));
+    if (routeWithoutPath) {
+      return { route: routeWithoutPath };
+    }
+    
+    return undefined;
+  }
+  
+  /**
+   * Matches a URL path against a pattern
+   * Supports:
+   * - Exact matches: /users/profile
+   * - Wildcards: /api/* (matches any path starting with /api/)
+   * - Path parameters: /users/:id (captures id as a parameter)
+   * 
+   * @param path The URL path to match
+   * @param pattern The pattern to match against
+   * @returns Match result with params and remainder, or null if no match
+   */
+  private matchPath(path: string, pattern: string): { 
+    matched: string; 
+    params: Record<string, string>; 
+    remainder: string;
+  } | null {
+    // Handle exact match
+    if (path === pattern) {
+      return {
+        matched: pattern,
+        params: {},
+        remainder: ''
+      };
+    }
+    
+    // Handle wildcard match
+    if (pattern.endsWith('/*')) {
+      const prefix = pattern.slice(0, -2);
+      if (path === prefix || path.startsWith(`${prefix}/`)) {
+        return {
+          matched: prefix,
+          params: {},
+          remainder: path.slice(prefix.length)
+        };
+      }
+      return null;
+    }
+    
+    // Handle path parameters
+    const patternParts = pattern.split('/').filter(p => p);
+    const pathParts = path.split('/').filter(p => p);
+    
+    // Too few path parts to match
+    if (pathParts.length < patternParts.length) {
+      return null;
+    }
+    
+    const params: Record<string, string> = {};
+    
+    // Compare each part
+    for (let i = 0; i < patternParts.length; i++) {
+      const patternPart = patternParts[i];
+      const pathPart = pathParts[i];
+      
+      // Handle parameter
+      if (patternPart.startsWith(':')) {
+        const paramName = patternPart.slice(1);
+        params[paramName] = pathPart;
+        continue;
+      }
+      
+      // Handle wildcard at the end
+      if (patternPart === '*' && i === patternParts.length - 1) {
+        break;
+      }
+      
+      // Handle exact match for this part
+      if (patternPart !== pathPart) {
+        return null;
+      }
+    }
+    
+    // Calculate the remainder - the unmatched path parts
+    const remainderParts = pathParts.slice(patternParts.length);
+    const remainder = remainderParts.length ? '/' + remainderParts.join('/') : '';
+    
+    // Calculate the matched path
+    const matchedParts = patternParts.map((part, i) => {
+      return part.startsWith(':') ? pathParts[i] : part;
+    });
+    const matched = '/' + matchedParts.join('/');
+    
+    return {
+      matched,
+      params,
+      remainder
+    };
+  }
+  
+  /**
+   * Gets all currently active route configurations
+   * @returns Array of all active routes
+   */
+  public getRoutes(): IRouteConfig[] {
+    return [...this.routes];
+  }
+  
+  /**
+   * Gets all hostnames that this router is configured to handle
+   * @returns Array of hostnames
+   */
+  public getHostnames(): string[] {
+    const hostnames = new Set<string>();
+    for (const route of this.routes) {
+      if (!route.match.domains) continue;
+      
+      const domains = Array.isArray(route.match.domains) 
+        ? route.match.domains 
+        : [route.match.domains];
+      
+      for (const domain of domains) {
+        if (domain !== '*') {
+          hostnames.add(domain.toLowerCase());
+        }
+      }
+    }
+    return Array.from(hostnames);
+  }
+  
+  /**
+   * Adds a single new route configuration
+   * @param route The route configuration to add
+   */
+  public addRoute(route: IRouteConfig): void {
+    this.routes.push(route);
+    
+    // Store path pattern if present
+    if (route.match.path) {
+      this.pathPatterns.set(route, route.match.path);
+    }
+    
+    // Re-sort routes by priority
+    this.routes.sort((a, b) => {
+      const priorityA = a.priority ?? 0;
+      const priorityB = b.priority ?? 0;
+      return priorityB - priorityA;
+    });
+  }
+  
+  /**
+   * Removes routes by domain pattern
+   * @param domain The domain pattern to remove routes for
+   * @returns Boolean indicating whether any routes were removed
+   */
+  public removeRoutesByDomain(domain: string): boolean {
+    const initialCount = this.routes.length;
+    
+    // Find routes to remove
+    const routesToRemove = this.routes.filter(route => {
+      if (!route.match.domains) return false;
+      
+      const domains = Array.isArray(route.match.domains) 
+        ? route.match.domains 
+        : [route.match.domains];
+      
+      return domains.includes(domain);
+    });
+    
+    // Remove them from the patterns map
+    for (const route of routesToRemove) {
+      this.pathPatterns.delete(route);
+    }
+    
+    // Filter them out of the routes array
+    this.routes = this.routes.filter(route => {
+      if (!route.match.domains) return true;
+      
+      const domains = Array.isArray(route.match.domains) 
+        ? route.match.domains 
+        : [route.match.domains];
+      
+      return !domains.includes(domain);
+    });
+    
+    return this.routes.length !== initialCount;
+  }
+  
+  /**
+   * Legacy method for compatibility with ProxyRouter
+   * Converts IReverseProxyConfig to IRouteConfig and calls setRoutes
+   * 
+   * @param configs Array of legacy proxy configurations
+   */
+  public setNewProxyConfigs(configs: any[]): void {
+    // Convert legacy configs to routes and add them
+    const routes: IRouteConfig[] = configs.map(config => {
+      // Create a basic route configuration from the legacy config
+      return {
+        match: {
+          ports: config.destinationPorts[0], // Just use the first port
+          domains: config.hostName
+        },
+        action: {
+          type: 'forward',
+          target: {
+            host: config.destinationIps,
+            port: config.destinationPorts[0]
+          },
+          tls: {
+            mode: 'terminate',
+            certificate: {
+              key: config.privateKey,
+              cert: config.publicKey
+            }
+          }
+        },
+        name: `Legacy Config - ${config.hostName}`,
+        enabled: true
+      };
+    });
+    
+    this.setRoutes(routes);
+  }
+}

ts/index.ts

@@ -5,7 +5,13 @@
 // Legacy exports (to maintain backward compatibility)
 // Migrated to the new proxies structure
 export * from './proxies/nftables-proxy/index.js';
-export * from './proxies/network-proxy/index.js';
+
+// Export NetworkProxy elements selectively to avoid RouteManager ambiguity
+export { NetworkProxy, CertificateManager, ConnectionPool, RequestHandler, WebSocketHandler } from './proxies/network-proxy/index.js';
+export type { IMetricsTracker, MetricsTracker } from './proxies/network-proxy/index.js';
+export * from './proxies/network-proxy/models/index.js';
+export { RouteManager as NetworkProxyRouteManager } from './proxies/network-proxy/models/types.js';
+
 // Export port80handler elements selectively to avoid conflicts
 export {
   Port80Handler,
@@ -17,7 +23,13 @@ export {
 export { Port80HandlerEvents } from './certificate/events/certificate-events.js';
 
 export * from './redirect/classes.redirect.js';
-export * from './proxies/smart-proxy/index.js';
+
+// Export SmartProxy elements selectively to avoid RouteManager ambiguity
+export { SmartProxy, ConnectionManager, SecurityManager, TimeoutManager, TlsManager, NetworkProxyBridge, RouteConnectionHandler } from './proxies/smart-proxy/index.js';
+export { RouteManager } from './proxies/smart-proxy/route-manager.js';
+export * from './proxies/smart-proxy/models/index.js';
+export * from './proxies/smart-proxy/utils/index.js';
+
 // Original: export * from './smartproxy/classes.pp.snihandler.js'
 // Now we export from the new module
 export { SniHandler } from './tls/sni/sni-handler.js';

ts/proxies/index.ts

@@ -2,7 +2,16 @@
  * Proxy implementations module
  */
 
-// Export submodules
-export * from './smart-proxy/index.js';
-export * from './network-proxy/index.js';
+// Export NetworkProxy with selective imports to avoid RouteManager ambiguity
+export { NetworkProxy, CertificateManager, ConnectionPool, RequestHandler, WebSocketHandler } from './network-proxy/index.js';
+export type { IMetricsTracker, MetricsTracker } from './network-proxy/index.js';
+export * from './network-proxy/models/index.js';
+
+// Export SmartProxy with selective imports to avoid RouteManager ambiguity
+export { SmartProxy, ConnectionManager, SecurityManager, TimeoutManager, TlsManager, NetworkProxyBridge, RouteConnectionHandler } from './smart-proxy/index.js';
+export { RouteManager as SmartProxyRouteManager } from './smart-proxy/route-manager.js';
+export * from './smart-proxy/utils/index.js';
+export * from './smart-proxy/models/index.js';
+
+// Export NFTables proxy (no conflicts)
 export * from './nftables-proxy/index.js';

ts/proxies/network-proxy/certificate-manager.ts

@@ -8,6 +8,7 @@ import { CertificateEvents } from '../../certificate/events/certificate-events.j
 import { buildPort80Handler } from '../../certificate/acme/acme-factory.js';
 import { subscribeToPort80Handler } from '../../core/utils/event-utils.js';
 import type { IDomainOptions } from '../../certificate/models/certificate-types.js';
+import type { IRouteConfig } from '../smart-proxy/models/route-types.js';
 
 /**
  * Manages SSL certificates for NetworkProxy including ACME integration
@@ -91,7 +92,7 @@ export class CertificateManager {
   public setExternalPort80Handler(handler: Port80Handler): void {
     if (this.port80Handler && !this.externalPort80Handler) {
       this.logger.warn('Replacing existing internal Port80Handler with external handler');
-      
+
       // Clean up existing handler if needed
       if (this.port80Handler !== handler) {
         // Unregister event handlers to avoid memory leaks
@@ -101,11 +102,11 @@ export class CertificateManager {
         this.port80Handler.removeAllListeners(CertificateEvents.CERTIFICATE_EXPIRING);
       }
     }
-    
+
     // Set the external handler
     this.port80Handler = handler;
     this.externalPort80Handler = true;
-    
+
     // Subscribe to Port80Handler events
     subscribeToPort80Handler(this.port80Handler, {
       onCertificateIssued: this.handleCertificateIssued.bind(this),
@@ -115,17 +116,40 @@ export class CertificateManager {
         this.logger.info(`Certificate for ${data.domain} expires in ${data.daysRemaining} days`);
       }
     });
-    
+
     this.logger.info('External Port80Handler connected to CertificateManager');
-    
+
     // Register domains with Port80Handler if we have any certificates cached
     if (this.certificateCache.size > 0) {
       const domains = Array.from(this.certificateCache.keys())
         .filter(domain => !domain.includes('*')); // Skip wildcard domains
-      
+
       this.registerDomainsWithPort80Handler(domains);
     }
   }
+
+  /**
+   * Update route configurations managed by this certificate manager
+   * This method is called when route configurations change
+   *
+   * @param routes Array of route configurations
+   */
+  public updateRouteConfigs(routes: IRouteConfig[]): void {
+    if (!this.port80Handler) {
+      this.logger.warn('Cannot update routes - Port80Handler is not initialized');
+      return;
+    }
+
+    // Register domains from routes with Port80Handler
+    this.registerRoutesWithPort80Handler(routes);
+
+    // Process individual routes for certificate requirements
+    for (const route of routes) {
+      this.processRouteForCertificates(route);
+    }
+
+    this.logger.info(`Updated certificate management for ${routes.length} routes`);
+  }
   
   /**
    * Handle newly issued or renewed certificates from Port80Handler
@@ -317,20 +341,21 @@ export class CertificateManager {
   
   /**
    * Registers domains with Port80Handler for ACME certificate management
+   * @param domains String array of domains to register
    */
   public registerDomainsWithPort80Handler(domains: string[]): void {
     if (!this.port80Handler) {
       this.logger.warn('Port80Handler is not initialized');
       return;
     }
-    
+
     for (const domain of domains) {
       // Skip wildcard domains - can't get certs for these with HTTP-01 validation
       if (domain.includes('*')) {
         this.logger.info(`Skipping wildcard domain for ACME: ${domain}`);
         continue;
       }
-      
+
       // Skip domains already with certificates if configured to do so
       if (this.options.acme?.skipConfiguredCerts) {
         const cachedCert = this.certificateCache.get(domain);
@@ -339,18 +364,97 @@ export class CertificateManager {
           continue;
         }
       }
-      
+
       // Register the domain for certificate issuance with new domain options format
       const domainOptions: IDomainOptions = {
         domainName: domain,
         sslRedirect: true,
         acmeMaintenance: true
       };
-      
+
       this.port80Handler.addDomain(domainOptions);
       this.logger.info(`Registered domain for ACME certificate issuance: ${domain}`);
     }
   }
+
+  /**
+   * Extract domains from route configurations and register with Port80Handler
+   * This method enables direct integration with route-based configuration
+   *
+   * @param routes Array of route configurations
+   */
+  public registerRoutesWithPort80Handler(routes: IRouteConfig[]): void {
+    if (!this.port80Handler) {
+      this.logger.warn('Port80Handler is not initialized');
+      return;
+    }
+
+    // Extract domains from route configurations
+    const domains: Set<string> = new Set();
+
+    for (const route of routes) {
+      // Skip disabled routes
+      if (route.enabled === false) {
+        continue;
+      }
+
+      // Skip routes without HTTPS termination
+      if (route.action.type !== 'forward' || route.action.tls?.mode !== 'terminate') {
+        continue;
+      }
+
+      // Extract domains from match criteria
+      if (route.match.domains) {
+        if (typeof route.match.domains === 'string') {
+          domains.add(route.match.domains);
+        } else if (Array.isArray(route.match.domains)) {
+          for (const domain of route.match.domains) {
+            domains.add(domain);
+          }
+        }
+      }
+    }
+
+    // Register extracted domains
+    this.registerDomainsWithPort80Handler(Array.from(domains));
+  }
+
+  /**
+   * Process a route config to determine if it requires automatic certificate provisioning
+   * @param route Route configuration to process
+   */
+  public processRouteForCertificates(route: IRouteConfig): void {
+    // Skip disabled routes
+    if (route.enabled === false) {
+      return;
+    }
+
+    // Skip routes without HTTPS termination or auto certificate
+    if (route.action.type !== 'forward' ||
+        route.action.tls?.mode !== 'terminate' ||
+        route.action.tls?.certificate !== 'auto') {
+      return;
+    }
+
+    // Extract domains from match criteria
+    const domains: string[] = [];
+    if (route.match.domains) {
+      if (typeof route.match.domains === 'string') {
+        domains.push(route.match.domains);
+      } else if (Array.isArray(route.match.domains)) {
+        domains.push(...route.match.domains);
+      }
+    }
+
+    // Request certificates for the domains
+    for (const domain of domains) {
+      if (!domain.includes('*')) { // Skip wildcard domains
+        this.requestCertificate(domain).catch(err => {
+          this.logger.error(`Error requesting certificate for domain ${domain}:`, err);
+        });
+      }
+    }
+  }
   
   /**
    * Initialize internal Port80Handler

ts/proxies/network-proxy/context-creator.ts

@@ -0,0 +1,145 @@
+import * as plugins from '../../plugins.js';
+import '../../core/models/socket-augmentation.js';
+import type { IRouteContext, IHttpRouteContext, IHttp2RouteContext } from '../../core/models/route-context.js';
+
+/**
+ * Context creator for NetworkProxy
+ * Creates route contexts for matching and function evaluation
+ */
+export class ContextCreator {
+  /**
+   * Create a route context from HTTP request information
+   */
+  public createHttpRouteContext(req: any, options: {
+    tlsVersion?: string;
+    connectionId: string;
+    clientIp: string;
+    serverIp: string;
+  }): IHttpRouteContext {
+    // Parse headers
+    const headers: Record<string, string> = {};
+    for (const [key, value] of Object.entries(req.headers)) {
+      if (typeof value === 'string') {
+        headers[key.toLowerCase()] = value;
+      } else if (Array.isArray(value) && value.length > 0) {
+        headers[key.toLowerCase()] = value[0];
+      }
+    }
+
+    // Parse domain from Host header
+    const domain = headers['host']?.split(':')[0] || '';
+
+    // Parse URL
+    const url = new URL(`http://${domain}${req.url || '/'}`);
+
+    return {
+      // Connection basics
+      port: req.socket.localPort || 0,
+      domain,
+      clientIp: options.clientIp,
+      serverIp: options.serverIp,
+
+      // HTTP specifics
+      path: url.pathname,
+      query: url.search ? url.search.substring(1) : '',
+      headers,
+
+      // TLS information
+      isTls: !!req.socket.encrypted,
+      tlsVersion: options.tlsVersion,
+
+      // Request objects
+      req,
+
+      // Metadata
+      timestamp: Date.now(),
+      connectionId: options.connectionId
+    };
+  }
+
+  /**
+   * Create a route context from HTTP/2 stream and headers
+   */
+  public createHttp2RouteContext(
+    stream: plugins.http2.ServerHttp2Stream,
+    headers: plugins.http2.IncomingHttpHeaders,
+    options: {
+      connectionId: string;
+      clientIp: string;
+      serverIp: string;
+    }
+  ): IHttp2RouteContext {
+    // Parse headers, excluding HTTP/2 pseudo-headers
+    const processedHeaders: Record<string, string> = {};
+    for (const [key, value] of Object.entries(headers)) {
+      if (!key.startsWith(':') && typeof value === 'string') {
+        processedHeaders[key.toLowerCase()] = value;
+      }
+    }
+
+    // Get domain from :authority pseudo-header
+    const authority = headers[':authority'] as string || '';
+    const domain = authority.split(':')[0];
+
+    // Get path from :path pseudo-header
+    const path = headers[':path'] as string || '/';
+
+    // Parse the path to extract query string
+    const pathParts = path.split('?');
+    const pathname = pathParts[0];
+    const query = pathParts.length > 1 ? pathParts[1] : '';
+
+    // Get the socket from the session
+    const socket = (stream.session as any)?.socket;
+
+    return {
+      // Connection basics
+      port: socket?.localPort || 0,
+      domain,
+      clientIp: options.clientIp,
+      serverIp: options.serverIp,
+
+      // HTTP specifics
+      path: pathname,
+      query,
+      headers: processedHeaders,
+
+      // HTTP/2 specific properties
+      method: headers[':method'] as string,
+      stream,
+
+      // TLS information - HTTP/2 is always on TLS in browsers
+      isTls: true,
+      tlsVersion: socket?.getTLSVersion?.() || 'TLSv1.3',
+
+      // Metadata
+      timestamp: Date.now(),
+      connectionId: options.connectionId
+    };
+  }
+
+  /**
+   * Create a basic route context from socket information
+   */
+  public createSocketRouteContext(socket: plugins.net.Socket, options: {
+    domain?: string;
+    tlsVersion?: string;
+    connectionId: string;
+  }): IRouteContext {
+    return {
+      // Connection basics
+      port: socket.localPort || 0,
+      domain: options.domain,
+      clientIp: socket.remoteAddress?.replace('::ffff:', '') || '0.0.0.0',
+      serverIp: socket.localAddress?.replace('::ffff:', '') || '0.0.0.0',
+
+      // TLS information
+      isTls: options.tlsVersion !== undefined,
+      tlsVersion: options.tlsVersion,
+
+      // Metadata
+      timestamp: Date.now(),
+      connectionId: options.connectionId
+    };
+  }
+}

ts/proxies/network-proxy/function-cache.ts

@@ -0,0 +1,259 @@
+import type { IRouteContext } from '../../core/models/route-context.js';
+import type { ILogger } from './models/types.js';
+
+/**
+ * Interface for cached function result
+ */
+interface ICachedResult<T> {
+  value: T;
+  expiry: number;
+  hash: string;
+}
+
+/**
+ * Function cache for NetworkProxy function-based targets
+ * 
+ * This cache improves performance for function-based targets by storing
+ * the results of function evaluations and reusing them for similar contexts.
+ */
+export class FunctionCache {
+  // Cache storage
+  private hostCache: Map<string, ICachedResult<string | string[]>> = new Map();
+  private portCache: Map<string, ICachedResult<number>> = new Map();
+  
+  // Maximum number of entries to store in each cache
+  private maxCacheSize: number;
+  
+  // Default TTL for cache entries in milliseconds (default: 5 seconds)
+  private defaultTtl: number;
+  
+  // Logger
+  private logger: ILogger;
+  
+  /**
+   * Creates a new function cache
+   * 
+   * @param logger Logger for debug output
+   * @param options Cache options
+   */
+  constructor(
+    logger: ILogger,
+    options: {
+      maxCacheSize?: number;
+      defaultTtl?: number;
+    } = {}
+  ) {
+    this.logger = logger;
+    this.maxCacheSize = options.maxCacheSize || 1000;
+    this.defaultTtl = options.defaultTtl || 5000; // 5 seconds default
+    
+    // Start the cache cleanup timer
+    setInterval(() => this.cleanupCache(), 30000); // Cleanup every 30 seconds
+  }
+  
+  /**
+   * Compute a hash for a context object
+   * This is used to identify similar contexts for caching
+   * 
+   * @param context The route context to hash
+   * @param functionId Identifier for the function (usually route name or ID)
+   * @returns A string hash
+   */
+  private computeContextHash(context: IRouteContext, functionId: string): string {
+    // Extract relevant properties for the hash
+    const hashBase = {
+      functionId,
+      port: context.port,
+      domain: context.domain,
+      clientIp: context.clientIp,
+      path: context.path,
+      query: context.query,
+      isTls: context.isTls,
+      tlsVersion: context.tlsVersion
+    };
+    
+    // Generate a hash string
+    return JSON.stringify(hashBase);
+  }
+  
+  /**
+   * Get cached host result for a function and context
+   * 
+   * @param context Route context
+   * @param functionId Identifier for the function
+   * @returns Cached host value or undefined if not found
+   */
+  public getCachedHost(context: IRouteContext, functionId: string): string | string[] | undefined {
+    const hash = this.computeContextHash(context, functionId);
+    const cached = this.hostCache.get(hash);
+    
+    // Return if no cached value or expired
+    if (!cached || cached.expiry < Date.now()) {
+      if (cached) {
+        // If expired, remove from cache
+        this.hostCache.delete(hash);
+        this.logger.debug(`Cache miss (expired) for host function: ${functionId}`);
+      } else {
+        this.logger.debug(`Cache miss for host function: ${functionId}`);
+      }
+      return undefined;
+    }
+    
+    this.logger.debug(`Cache hit for host function: ${functionId}`);
+    return cached.value;
+  }
+  
+  /**
+   * Get cached port result for a function and context
+   * 
+   * @param context Route context
+   * @param functionId Identifier for the function
+   * @returns Cached port value or undefined if not found
+   */
+  public getCachedPort(context: IRouteContext, functionId: string): number | undefined {
+    const hash = this.computeContextHash(context, functionId);
+    const cached = this.portCache.get(hash);
+    
+    // Return if no cached value or expired
+    if (!cached || cached.expiry < Date.now()) {
+      if (cached) {
+        // If expired, remove from cache
+        this.portCache.delete(hash);
+        this.logger.debug(`Cache miss (expired) for port function: ${functionId}`);
+      } else {
+        this.logger.debug(`Cache miss for port function: ${functionId}`);
+      }
+      return undefined;
+    }
+    
+    this.logger.debug(`Cache hit for port function: ${functionId}`);
+    return cached.value;
+  }
+  
+  /**
+   * Store a host function result in the cache
+   * 
+   * @param context Route context
+   * @param functionId Identifier for the function
+   * @param value Host value to cache
+   * @param ttl Optional TTL in milliseconds
+   */
+  public cacheHost(
+    context: IRouteContext,
+    functionId: string,
+    value: string | string[],
+    ttl?: number
+  ): void {
+    const hash = this.computeContextHash(context, functionId);
+    const expiry = Date.now() + (ttl || this.defaultTtl);
+    
+    // Check if we need to prune the cache before adding
+    if (this.hostCache.size >= this.maxCacheSize) {
+      this.pruneOldestEntries(this.hostCache);
+    }
+    
+    // Store the result
+    this.hostCache.set(hash, { value, expiry, hash });
+    this.logger.debug(`Cached host function result for: ${functionId}`);
+  }
+  
+  /**
+   * Store a port function result in the cache
+   * 
+   * @param context Route context
+   * @param functionId Identifier for the function
+   * @param value Port value to cache
+   * @param ttl Optional TTL in milliseconds
+   */
+  public cachePort(
+    context: IRouteContext,
+    functionId: string,
+    value: number,
+    ttl?: number
+  ): void {
+    const hash = this.computeContextHash(context, functionId);
+    const expiry = Date.now() + (ttl || this.defaultTtl);
+    
+    // Check if we need to prune the cache before adding
+    if (this.portCache.size >= this.maxCacheSize) {
+      this.pruneOldestEntries(this.portCache);
+    }
+    
+    // Store the result
+    this.portCache.set(hash, { value, expiry, hash });
+    this.logger.debug(`Cached port function result for: ${functionId}`);
+  }
+  
+  /**
+   * Remove expired entries from the cache
+   */
+  private cleanupCache(): void {
+    const now = Date.now();
+    let expiredCount = 0;
+    
+    // Clean up host cache
+    for (const [hash, cached] of this.hostCache.entries()) {
+      if (cached.expiry < now) {
+        this.hostCache.delete(hash);
+        expiredCount++;
+      }
+    }
+    
+    // Clean up port cache
+    for (const [hash, cached] of this.portCache.entries()) {
+      if (cached.expiry < now) {
+        this.portCache.delete(hash);
+        expiredCount++;
+      }
+    }
+    
+    if (expiredCount > 0) {
+      this.logger.debug(`Cleaned up ${expiredCount} expired cache entries`);
+    }
+  }
+  
+  /**
+   * Prune oldest entries from a cache map
+   * Used when the cache exceeds the maximum size
+   * 
+   * @param cache The cache map to prune
+   */
+  private pruneOldestEntries<T>(cache: Map<string, ICachedResult<T>>): void {
+    // Find the oldest entries
+    const now = Date.now();
+    const itemsToRemove = Math.floor(this.maxCacheSize * 0.2); // Remove 20% of the cache
+    
+    // Convert to array for sorting
+    const entries = Array.from(cache.entries());
+    
+    // Sort by expiry (oldest first)
+    entries.sort((a, b) => a[1].expiry - b[1].expiry);
+    
+    // Remove oldest entries
+    const toRemove = entries.slice(0, itemsToRemove);
+    for (const [hash] of toRemove) {
+      cache.delete(hash);
+    }
+    
+    this.logger.debug(`Pruned ${toRemove.length} oldest cache entries`);
+  }
+  
+  /**
+   * Get current cache stats
+   */
+  public getStats(): { hostCacheSize: number; portCacheSize: number } {
+    return {
+      hostCacheSize: this.hostCache.size,
+      portCacheSize: this.portCache.size
+    };
+  }
+  
+  /**
+   * Clear all cached entries
+   */
+  public clearCache(): void {
+    this.hostCache.clear();
+    this.portCache.clear();
+    this.logger.info('Function cache cleared');
+  }
+}

ts/proxies/network-proxy/http-request-handler.ts

@@ -0,0 +1,330 @@
+import * as plugins from '../../plugins.js';
+import '../../core/models/socket-augmentation.js';
+import type { IHttpRouteContext, IRouteContext } from '../../core/models/route-context.js';
+import type { ILogger } from './models/types.js';
+import type { IMetricsTracker } from './request-handler.js';
+import type { IRouteConfig } from '../smart-proxy/models/route-types.js';
+import { TemplateUtils } from '../../core/utils/template-utils.js';
+
+/**
+ * HTTP Request Handler Helper - handles requests with specific destinations
+ * This is a helper class for the main RequestHandler
+ */
+export class HttpRequestHandler {
+  /**
+   * Handle HTTP request with a specific destination
+   */
+  public static async handleHttpRequestWithDestination(
+    req: plugins.http.IncomingMessage,
+    res: plugins.http.ServerResponse,
+    destination: { host: string, port: number },
+    routeContext: IHttpRouteContext,
+    startTime: number,
+    logger: ILogger,
+    metricsTracker?: IMetricsTracker | null,
+    route?: IRouteConfig
+  ): Promise<void> {
+    try {
+      // Apply URL rewriting if route config is provided
+      if (route) {
+        HttpRequestHandler.applyUrlRewriting(req, route, routeContext, logger);
+        HttpRequestHandler.applyRouteHeaderModifications(route, req, res, logger);
+      }
+
+      // Create options for the proxy request
+      const options: plugins.http.RequestOptions = {
+        hostname: destination.host,
+        port: destination.port,
+        path: req.url,
+        method: req.method,
+        headers: { ...req.headers }
+      };
+
+      // Optionally rewrite host header to match target
+      if (options.headers && options.headers.host) {
+        // Only apply if host header rewrite is enabled or not explicitly disabled
+        const shouldRewriteHost = route?.action.options?.rewriteHostHeader !== false;
+        if (shouldRewriteHost) {
+          options.headers.host = `${destination.host}:${destination.port}`;
+        }
+      }
+
+      logger.debug(
+        `Proxying request to ${destination.host}:${destination.port}${req.url}`,
+        { method: req.method }
+      );
+
+      // Create proxy request
+      const proxyReq = plugins.http.request(options, (proxyRes) => {
+        // Copy status code
+        res.statusCode = proxyRes.statusCode || 500;
+
+        // Copy headers from proxy response to client response
+        for (const [key, value] of Object.entries(proxyRes.headers)) {
+          if (value !== undefined) {
+            res.setHeader(key, value);
+          }
+        }
+
+        // Apply response header modifications if route config is provided
+        if (route && route.headers?.response) {
+          HttpRequestHandler.applyResponseHeaderModifications(route, res, logger, routeContext);
+        }
+
+        // Pipe proxy response to client response
+        proxyRes.pipe(res);
+
+        // Increment served requests counter when the response finishes
+        res.on('finish', () => {
+          if (metricsTracker) {
+            metricsTracker.incrementRequestsServed();
+          }
+
+          // Log the completed request
+          const duration = Date.now() - startTime;
+          logger.debug(
+            `Request completed in ${duration}ms: ${req.method} ${req.url} ${res.statusCode}`,
+            { duration, statusCode: res.statusCode }
+          );
+        });
+      });
+
+      // Handle proxy request errors
+      proxyReq.on('error', (error) => {
+        const duration = Date.now() - startTime;
+        logger.error(
+          `Proxy error for ${req.method} ${req.url}: ${error.message}`,
+          { duration, error: error.message }
+        );
+
+        // Increment failed requests counter
+        if (metricsTracker) {
+          metricsTracker.incrementFailedRequests();
+        }
+
+        // Check if headers have already been sent
+        if (!res.headersSent) {
+          res.statusCode = 502;
+          res.end(`Bad Gateway: ${error.message}`);
+        } else {
+          // If headers already sent, just close the connection
+          res.end();
+        }
+      });
+
+      // Pipe request body to proxy request and handle client-side errors
+      req.pipe(proxyReq);
+
+      // Handle client disconnection
+      req.on('error', (error) => {
+        logger.debug(`Client connection error: ${error.message}`);
+        proxyReq.destroy();
+
+        // Increment failed requests counter on client errors
+        if (metricsTracker) {
+          metricsTracker.incrementFailedRequests();
+        }
+      });
+
+      // Handle response errors
+      res.on('error', (error) => {
+        logger.debug(`Response error: ${error.message}`);
+        proxyReq.destroy();
+
+        // Increment failed requests counter on response errors
+        if (metricsTracker) {
+          metricsTracker.incrementFailedRequests();
+        }
+      });
+    } catch (error) {
+      // Handle any unexpected errors
+      logger.error(
+        `Unexpected error handling request: ${error.message}`,
+        { error: error.stack }
+      );
+
+      // Increment failed requests counter
+      if (metricsTracker) {
+        metricsTracker.incrementFailedRequests();
+      }
+
+      if (!res.headersSent) {
+        res.statusCode = 500;
+        res.end('Internal Server Error');
+      } else {
+        res.end();
+      }
+    }
+  }
+
+  /**
+   * Apply URL rewriting based on route configuration
+   * Implements Phase 5.2: URL rewriting using route context
+   *
+   * @param req The request with the URL to rewrite
+   * @param route The route configuration containing rewrite rules
+   * @param routeContext Context for template variable resolution
+   * @param logger Logger for debugging information
+   * @returns True if URL was rewritten, false otherwise
+   */
+  private static applyUrlRewriting(
+    req: plugins.http.IncomingMessage,
+    route: IRouteConfig,
+    routeContext: IHttpRouteContext,
+    logger: ILogger
+  ): boolean {
+    // Check if route has URL rewriting configuration
+    if (!route.action.advanced?.urlRewrite) {
+      return false;
+    }
+
+    const rewriteConfig = route.action.advanced.urlRewrite;
+
+    // Store original URL for logging
+    const originalUrl = req.url;
+
+    if (rewriteConfig.pattern && rewriteConfig.target) {
+      try {
+        // Create a RegExp from the pattern with optional flags
+        const regex = new RegExp(rewriteConfig.pattern, rewriteConfig.flags || '');
+
+        // Apply rewriting with template variable resolution
+        let target = rewriteConfig.target;
+
+        // Replace template variables in target with values from context
+        target = TemplateUtils.resolveTemplateVariables(target, routeContext);
+
+        // If onlyRewritePath is set, split URL into path and query parts
+        if (rewriteConfig.onlyRewritePath && req.url) {
+          const [path, query] = req.url.split('?');
+          const rewrittenPath = path.replace(regex, target);
+          req.url = query ? `${rewrittenPath}?${query}` : rewrittenPath;
+        } else {
+          // Perform the replacement on the entire URL
+          req.url = req.url?.replace(regex, target);
+        }
+
+        logger.debug(`URL rewritten: ${originalUrl} -> ${req.url}`);
+        return true;
+      } catch (err) {
+        logger.error(`Error in URL rewriting: ${err}`);
+        return false;
+      }
+    }
+
+    return false;
+  }
+
+  /**
+   * Apply header modifications from route configuration to request headers
+   * Implements Phase 5.1: Route-based header manipulation for requests
+   */
+  private static applyRouteHeaderModifications(
+    route: IRouteConfig,
+    req: plugins.http.IncomingMessage,
+    res: plugins.http.ServerResponse,
+    logger: ILogger
+  ): void {
+    // Check if route has header modifications
+    if (!route.headers) {
+      return;
+    }
+
+    // Apply request header modifications (these will be sent to the backend)
+    if (route.headers.request && req.headers) {
+      // Create routing context for template resolution
+      const routeContext: IRouteContext = {
+        domain: req.headers.host as string || '',
+        path: req.url || '',
+        clientIp: req.socket.remoteAddress?.replace('::ffff:', '') || '',
+        serverIp: req.socket.localAddress?.replace('::ffff:', '') || '',
+        port: parseInt(req.socket.localPort?.toString() || '0', 10),
+        isTls: !!req.socket.encrypted,
+        headers: req.headers as Record<string, string>,
+        timestamp: Date.now(),
+        connectionId: `${Date.now()}-${Math.floor(Math.random() * 10000)}`,
+      };
+
+      for (const [key, value] of Object.entries(route.headers.request)) {
+        // Skip if header already exists and we're not overriding
+        if (req.headers[key.toLowerCase()] && !value.startsWith('!')) {
+          continue;
+        }
+
+        // Handle special delete directive (!delete)
+        if (value === '!delete') {
+          delete req.headers[key.toLowerCase()];
+          logger.debug(`Deleted request header: ${key}`);
+          continue;
+        }
+
+        // Handle forced override (!value)
+        let finalValue: string;
+        if (value.startsWith('!')) {
+          // Keep the ! but resolve any templates in the rest
+          const templateValue = value.substring(1);
+          finalValue = '!' + TemplateUtils.resolveTemplateVariables(templateValue, routeContext);
+        } else {
+          // Resolve templates in the entire value
+          finalValue = TemplateUtils.resolveTemplateVariables(value, routeContext);
+        }
+
+        // Set the header
+        req.headers[key.toLowerCase()] = finalValue;
+        logger.debug(`Modified request header: ${key}=${finalValue}`);
+      }
+    }
+  }
+
+  /**
+   * Apply header modifications from route configuration to response headers
+   * Implements Phase 5.1: Route-based header manipulation for responses
+   */
+  private static applyResponseHeaderModifications(
+    route: IRouteConfig,
+    res: plugins.http.ServerResponse,
+    logger: ILogger,
+    routeContext?: IRouteContext
+  ): void {
+    // Check if route has response header modifications
+    if (!route.headers?.response) {
+      return;
+    }
+
+    // Apply response header modifications
+    for (const [key, value] of Object.entries(route.headers.response)) {
+      // Skip if header already exists and we're not overriding
+      if (res.hasHeader(key) && !value.startsWith('!')) {
+        continue;
+      }
+
+      // Handle special delete directive (!delete)
+      if (value === '!delete') {
+        res.removeHeader(key);
+        logger.debug(`Deleted response header: ${key}`);
+        continue;
+      }
+
+      // Handle forced override (!value)
+      let finalValue: string;
+      if (value.startsWith('!') && value !== '!delete') {
+        // Keep the ! but resolve any templates in the rest
+        const templateValue = value.substring(1);
+        finalValue = routeContext
+          ? '!' + TemplateUtils.resolveTemplateVariables(templateValue, routeContext)
+          : '!' + templateValue;
+      } else {
+        // Resolve templates in the entire value
+        finalValue = routeContext
+          ? TemplateUtils.resolveTemplateVariables(value, routeContext)
+          : value;
+      }
+
+      // Set the header
+      res.setHeader(key, finalValue);
+      logger.debug(`Modified response header: ${key}=${finalValue}`);
+    }
+  }
+
+  // Template resolution is now handled by the TemplateUtils class
+}

ts/proxies/network-proxy/http2-request-handler.ts

@@ -0,0 +1,255 @@
+import * as plugins from '../../plugins.js';
+import type { IHttpRouteContext } from '../../core/models/route-context.js';
+import type { ILogger } from './models/types.js';
+import type { IMetricsTracker } from './request-handler.js';
+
+/**
+ * HTTP/2 Request Handler Helper - handles HTTP/2 streams with specific destinations
+ * This is a helper class for the main RequestHandler
+ */
+export class Http2RequestHandler {
+  /**
+   * Handle HTTP/2 stream with direct HTTP/2 backend
+   */
+  public static async handleHttp2WithHttp2Destination(
+    stream: plugins.http2.ServerHttp2Stream,
+    headers: plugins.http2.IncomingHttpHeaders,
+    destination: { host: string, port: number },
+    routeContext: IHttpRouteContext,
+    sessions: Map<string, plugins.http2.ClientHttp2Session>,
+    logger: ILogger,
+    metricsTracker?: IMetricsTracker | null
+  ): Promise<void> {
+    const key = `${destination.host}:${destination.port}`;
+    
+    // Get or create a client HTTP/2 session
+    let session = sessions.get(key);
+    if (!session || session.closed || (session as any).destroyed) {
+      try {
+        // Connect to the backend HTTP/2 server
+        session = plugins.http2.connect(`http://${destination.host}:${destination.port}`);
+        sessions.set(key, session);
+        
+        // Handle session errors and cleanup
+        session.on('error', (err) => {
+          logger.error(`HTTP/2 session error to ${key}: ${err.message}`);
+          sessions.delete(key);
+        });
+        
+        session.on('close', () => {
+          logger.debug(`HTTP/2 session closed to ${key}`);
+          sessions.delete(key);
+        });
+      } catch (err) {
+        logger.error(`Failed to establish HTTP/2 session to ${key}: ${err.message}`);
+        stream.respond({ ':status': 502 });
+        stream.end('Bad Gateway: Failed to establish connection to backend');
+        if (metricsTracker) metricsTracker.incrementFailedRequests();
+        return;
+      }
+    }
+    
+    try {
+      // Build headers for backend HTTP/2 request
+      const h2Headers: Record<string, any> = {
+        ':method': headers[':method'],
+        ':path': headers[':path'],
+        ':authority': `${destination.host}:${destination.port}`
+      };
+      
+      // Copy other headers, excluding pseudo-headers
+      for (const [key, value] of Object.entries(headers)) {
+        if (!key.startsWith(':') && typeof value === 'string') {
+          h2Headers[key] = value;
+        }
+      }
+      
+      logger.debug(
+        `Proxying HTTP/2 request to ${destination.host}:${destination.port}${headers[':path']}`,
+        { method: headers[':method'] }
+      );
+      
+      // Create HTTP/2 request stream to the backend
+      const h2Stream = session.request(h2Headers);
+      
+      // Pipe client stream to backend stream
+      stream.pipe(h2Stream);
+      
+      // Handle responses from the backend
+      h2Stream.on('response', (responseHeaders) => {
+        // Map status and headers to client response
+        const resp: Record<string, any> = { 
+          ':status': responseHeaders[':status'] as number 
+        };
+        
+        // Copy non-pseudo headers
+        for (const [key, value] of Object.entries(responseHeaders)) {
+          if (!key.startsWith(':') && value !== undefined) {
+            resp[key] = value;
+          }
+        }
+        
+        // Send headers to client
+        stream.respond(resp);
+        
+        // Pipe backend response to client
+        h2Stream.pipe(stream);
+        
+        // Track successful requests
+        stream.on('end', () => {
+          if (metricsTracker) metricsTracker.incrementRequestsServed();
+          logger.debug(
+            `HTTP/2 request completed: ${headers[':method']} ${headers[':path']} ${responseHeaders[':status']}`,
+            { method: headers[':method'], status: responseHeaders[':status'] }
+          );
+        });
+      });
+      
+      // Handle backend errors
+      h2Stream.on('error', (err) => {
+        logger.error(`HTTP/2 stream error: ${err.message}`);
+        
+        // Only send error response if headers haven't been sent
+        if (!stream.headersSent) {
+          stream.respond({ ':status': 502 });
+          stream.end(`Bad Gateway: ${err.message}`);
+        } else {
+          stream.end();
+        }
+        
+        if (metricsTracker) metricsTracker.incrementFailedRequests();
+      });
+      
+      // Handle client stream errors
+      stream.on('error', (err) => {
+        logger.debug(`Client HTTP/2 stream error: ${err.message}`);
+        h2Stream.destroy();
+        if (metricsTracker) metricsTracker.incrementFailedRequests();
+      });
+      
+    } catch (err: any) {
+      logger.error(`Error handling HTTP/2 request: ${err.message}`);
+      
+      // Only send error response if headers haven't been sent
+      if (!stream.headersSent) {
+        stream.respond({ ':status': 500 });
+        stream.end('Internal Server Error');
+      } else {
+        stream.end();
+      }
+      
+      if (metricsTracker) metricsTracker.incrementFailedRequests();
+    }
+  }
+  
+  /**
+   * Handle HTTP/2 stream with HTTP/1 backend
+   */
+  public static async handleHttp2WithHttp1Destination(
+    stream: plugins.http2.ServerHttp2Stream,
+    headers: plugins.http2.IncomingHttpHeaders,
+    destination: { host: string, port: number },
+    routeContext: IHttpRouteContext,
+    logger: ILogger,
+    metricsTracker?: IMetricsTracker | null
+  ): Promise<void> {
+    try {
+      // Build headers for HTTP/1 proxy request, excluding HTTP/2 pseudo-headers
+      const outboundHeaders: Record<string, string> = {};
+      for (const [key, value] of Object.entries(headers)) {
+        if (typeof key === 'string' && typeof value === 'string' && !key.startsWith(':')) {
+          outboundHeaders[key] = value;
+        }
+      }
+      
+      // Always rewrite host header to match target
+      outboundHeaders.host = `${destination.host}:${destination.port}`;
+      
+      logger.debug(
+        `Proxying HTTP/2 request to HTTP/1 backend ${destination.host}:${destination.port}${headers[':path']}`,
+        { method: headers[':method'] }
+      );
+      
+      // Create HTTP/1 proxy request
+      const proxyReq = plugins.http.request(
+        {
+          hostname: destination.host,
+          port: destination.port,
+          path: headers[':path'] as string,
+          method: headers[':method'] as string,
+          headers: outboundHeaders
+        },
+        (proxyRes) => {
+          // Map status and headers back to HTTP/2
+          const responseHeaders: Record<string, number | string | string[]> = {
+            ':status': proxyRes.statusCode || 500
+          };
+          
+          // Copy headers from HTTP/1 response to HTTP/2 response
+          for (const [key, value] of Object.entries(proxyRes.headers)) {
+            if (value !== undefined) {
+              responseHeaders[key] = value as string | string[];
+            }
+          }
+          
+          // Send headers to client
+          stream.respond(responseHeaders);
+          
+          // Pipe HTTP/1 response to HTTP/2 stream
+          proxyRes.pipe(stream);
+          
+          // Clean up when client disconnects
+          stream.on('close', () => proxyReq.destroy());
+          stream.on('error', () => proxyReq.destroy());
+          
+          // Track successful requests
+          stream.on('end', () => {
+            if (metricsTracker) metricsTracker.incrementRequestsServed();
+            logger.debug(
+              `HTTP/2 to HTTP/1 request completed: ${headers[':method']} ${headers[':path']} ${proxyRes.statusCode}`,
+              { method: headers[':method'], status: proxyRes.statusCode }
+            );
+          });
+        }
+      );
+      
+      // Handle proxy request errors
+      proxyReq.on('error', (err) => {
+        logger.error(`HTTP/1 proxy error: ${err.message}`);
+        
+        // Only send error response if headers haven't been sent
+        if (!stream.headersSent) {
+          stream.respond({ ':status': 502 });
+          stream.end(`Bad Gateway: ${err.message}`);
+        } else {
+          stream.end();
+        }
+        
+        if (metricsTracker) metricsTracker.incrementFailedRequests();
+      });
+      
+      // Pipe client stream to proxy request
+      stream.pipe(proxyReq);
+      
+      // Handle client stream errors
+      stream.on('error', (err) => {
+        logger.debug(`Client HTTP/2 stream error: ${err.message}`);
+        proxyReq.destroy();
+        if (metricsTracker) metricsTracker.incrementFailedRequests();
+      });
+      
+    } catch (err: any) {
+      logger.error(`Error handling HTTP/2 to HTTP/1 request: ${err.message}`);
+      
+      // Only send error response if headers haven't been sent
+      if (!stream.headersSent) {
+        stream.respond({ ':status': 500 });
+        stream.end('Internal Server Error');
+      } else {
+        stream.end();
+      }
+      
+      if (metricsTracker) metricsTracker.incrementFailedRequests();
+    }
+  }
+}

ts/proxies/network-proxy/models/types.ts

@@ -1,5 +1,7 @@
 import * as plugins from '../../../plugins.js';
 import type { IAcmeOptions } from '../../../certificate/models/certificate-types.js';
+import type { IRouteConfig } from '../../smart-proxy/models/route-types.js';
+import type { IRouteContext } from '../../../core/models/route-context.js';
 
 /**
  * Configuration options for NetworkProxy
@@ -24,8 +26,15 @@ export interface INetworkProxyOptions {
   // Protocol to use when proxying to backends: HTTP/1.x or HTTP/2
   backendProtocol?: 'http1' | 'http2';
 
+  // Function cache options
+  functionCacheSize?: number; // Maximum number of cached function results (default: 1000)
+  functionCacheTtl?: number; // Time to live for cached function results in ms (default: 5000)
+
   // ACME certificate management options
   acme?: IAcmeOptions;
+
+  // Direct route configurations
+  routes?: IRouteConfig[];
 }
 
 /**
@@ -38,20 +47,39 @@ export interface ICertificateEntry {
 }
 
 /**
- * Interface for reverse proxy configuration
+ * @deprecated Use IRouteConfig instead. This interface will be removed in a future release.
+ *
+ * IMPORTANT: This is a legacy interface maintained only for backward compatibility.
+ * New code should use IRouteConfig for all configuration purposes.
+ *
+ * @see IRouteConfig for the modern, recommended configuration format
  */
 export interface IReverseProxyConfig {
+  /** Target hostnames/IPs to proxy requests to */
   destinationIps: string[];
+
+  /** Target ports to proxy requests to */
   destinationPorts: number[];
+
+  /** Hostname to match for routing */
   hostName: string;
+
+  /** SSL private key for this host (PEM format) */
   privateKey: string;
+
+  /** SSL public key/certificate for this host (PEM format) */
   publicKey: string;
+
+  /** Basic authentication configuration */
   authentication?: {
     type: 'Basic';
     user: string;
     pass: string;
   };
+
+  /** Whether to rewrite the Host header to match the target */
   rewriteHostHeader?: boolean;
+
   /**
    * Protocol to use when proxying to this backend: 'http1' or 'http2'.
    * Overrides the global backendProtocol option if set.
@@ -59,6 +87,231 @@ export interface IReverseProxyConfig {
   backendProtocol?: 'http1' | 'http2';
 }
 
+/**
+ * Convert a legacy IReverseProxyConfig to the modern IRouteConfig format
+ *
+ * @deprecated This function is maintained for backward compatibility.
+ * New code should create IRouteConfig objects directly.
+ *
+ * @param legacyConfig The legacy configuration to convert
+ * @param proxyPort The port the proxy listens on
+ * @returns A modern route configuration equivalent to the legacy config
+ */
+export function convertLegacyConfigToRouteConfig(
+  legacyConfig: IReverseProxyConfig,
+  proxyPort: number
+): IRouteConfig {
+  // Create basic route configuration
+  const routeConfig: IRouteConfig = {
+    // Match properties
+    match: {
+      ports: proxyPort,
+      domains: legacyConfig.hostName
+    },
+
+    // Action properties
+    action: {
+      type: 'forward',
+      target: {
+        host: legacyConfig.destinationIps,
+        port: legacyConfig.destinationPorts[0]
+      },
+
+      // TLS mode is always 'terminate' for legacy configs
+      tls: {
+        mode: 'terminate',
+        certificate: {
+          key: legacyConfig.privateKey,
+          cert: legacyConfig.publicKey
+        }
+      },
+
+      // Advanced options
+      advanced: {
+        // Rewrite host header if specified
+        headers: legacyConfig.rewriteHostHeader ? { 'host': '{domain}' } : {}
+      }
+    },
+
+    // Metadata
+    name: `Legacy Config - ${legacyConfig.hostName}`,
+    priority: 0, // Default priority
+    enabled: true
+  };
+
+  // Add authentication if present
+  if (legacyConfig.authentication) {
+    routeConfig.action.security = {
+      authentication: {
+        type: 'basic',
+        credentials: [{
+          username: legacyConfig.authentication.user,
+          password: legacyConfig.authentication.pass
+        }]
+      }
+    };
+  }
+
+  // Add backend protocol if specified
+  if (legacyConfig.backendProtocol) {
+    if (!routeConfig.action.options) {
+      routeConfig.action.options = {};
+    }
+    routeConfig.action.options.backendProtocol = legacyConfig.backendProtocol;
+  }
+
+  return routeConfig;
+}
+
+/**
+ * Route manager for NetworkProxy
+ * Handles route matching and configuration
+ */
+export class RouteManager {
+  private routes: IRouteConfig[] = [];
+  private logger: ILogger;
+
+  constructor(logger: ILogger) {
+    this.logger = logger;
+  }
+
+  /**
+   * Update the routes configuration
+   */
+  public updateRoutes(routes: IRouteConfig[]): void {
+    // Sort routes by priority (higher first)
+    this.routes = [...routes].sort((a, b) => {
+      const priorityA = a.priority ?? 0;
+      const priorityB = b.priority ?? 0;
+      return priorityB - priorityA;
+    });
+
+    this.logger.info(`Updated RouteManager with ${this.routes.length} routes`);
+  }
+
+  /**
+   * Get all routes
+   */
+  public getRoutes(): IRouteConfig[] {
+    return [...this.routes];
+  }
+
+  /**
+   * Find the first matching route for a context
+   */
+  public findMatchingRoute(context: IRouteContext): IRouteConfig | null {
+    for (const route of this.routes) {
+      if (this.matchesRoute(route, context)) {
+        return route;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Check if a route matches the given context
+   */
+  private matchesRoute(route: IRouteConfig, context: IRouteContext): boolean {
+    // Skip disabled routes
+    if (route.enabled === false) {
+      return false;
+    }
+
+    // Check domain match if specified
+    if (route.match.domains && context.domain) {
+      const domains = Array.isArray(route.match.domains)
+        ? route.match.domains
+        : [route.match.domains];
+
+      if (!domains.some(domainPattern => this.matchDomain(domainPattern, context.domain!))) {
+        return false;
+      }
+    }
+
+    // Check path match if specified
+    if (route.match.path && context.path) {
+      if (!this.matchPath(route.match.path, context.path)) {
+        return false;
+      }
+    }
+
+    // Check client IP match if specified
+    if (route.match.clientIp && context.clientIp) {
+      if (!route.match.clientIp.some(ip => this.matchIp(ip, context.clientIp))) {
+        return false;
+      }
+    }
+
+    // Check TLS version match if specified
+    if (route.match.tlsVersion && context.tlsVersion) {
+      if (!route.match.tlsVersion.includes(context.tlsVersion)) {
+        return false;
+      }
+    }
+
+    // All criteria matched
+    return true;
+  }
+
+  /**
+   * Match a domain pattern against a domain
+   */
+  private matchDomain(pattern: string, domain: string): boolean {
+    if (pattern === domain) {
+      return true;
+    }
+
+    if (pattern.includes('*')) {
+      const regexPattern = pattern
+        .replace(/\./g, '\\.')
+        .replace(/\*/g, '.*');
+
+      const regex = new RegExp(`^${regexPattern}$`, 'i');
+      return regex.test(domain);
+    }
+
+    return false;
+  }
+
+  /**
+   * Match a path pattern against a path
+   */
+  private matchPath(pattern: string, path: string): boolean {
+    if (pattern === path) {
+      return true;
+    }
+
+    if (pattern.endsWith('*')) {
+      const prefix = pattern.slice(0, -1);
+      return path.startsWith(prefix);
+    }
+
+    return false;
+  }
+
+  /**
+   * Match an IP pattern against an IP
+   */
+  private matchIp(pattern: string, ip: string): boolean {
+    if (pattern === ip) {
+      return true;
+    }
+
+    if (pattern.includes('*')) {
+      const regexPattern = pattern
+        .replace(/\./g, '\\.')
+        .replace(/\*/g, '.*');
+
+      const regex = new RegExp(`^${regexPattern}$`);
+      return regex.test(ip);
+    }
+
+    // TODO: Implement CIDR matching
+
+    return false;
+  }
+}
+
 /**
  * Interface for connection tracking in the pool
  */

ts/proxies/network-proxy/network-proxy.ts

@@ -1,18 +1,25 @@
 import * as plugins from '../../plugins.js';
 import {
-  createLogger
+  createLogger,
+  RouteManager,
+  convertLegacyConfigToRouteConfig
 } from './models/types.js';
 import type {
   INetworkProxyOptions,
   ILogger,
   IReverseProxyConfig
 } from './models/types.js';
+import type { IRouteConfig } from '../smart-proxy/models/route-types.js';
+import type { IRouteContext, IHttpRouteContext } from '../../core/models/route-context.js';
+import { createBaseRouteContext } from '../../core/models/route-context.js';
 import { CertificateManager } from './certificate-manager.js';
 import { ConnectionPool } from './connection-pool.js';
 import { RequestHandler, type IMetricsTracker } from './request-handler.js';
 import { WebSocketHandler } from './websocket-handler.js';
 import { ProxyRouter } from '../../http/router/index.js';
+import { RouteRouter } from '../../http/router/route-router.js';
 import { Port80Handler } from '../../http/port80/port80-handler.js';
+import { FunctionCache } from './function-cache.js';
 
 /**
  * NetworkProxy provides a reverse proxy with TLS termination, WebSocket support,
@@ -25,17 +32,20 @@ export class NetworkProxy implements IMetricsTracker {
   }
   // Configuration
   public options: INetworkProxyOptions;
-  public proxyConfigs: IReverseProxyConfig[] = [];
-  
+  public routes: IRouteConfig[] = [];
+
   // Server instances (HTTP/2 with HTTP/1 fallback)
   public httpsServer: any;
-  
+
   // Core components
   private certificateManager: CertificateManager;
   private connectionPool: ConnectionPool;
   private requestHandler: RequestHandler;
   private webSocketHandler: WebSocketHandler;
-  private router = new ProxyRouter();
+  private legacyRouter = new ProxyRouter(); // Legacy router for backward compatibility
+  private router = new RouteRouter(); // New modern router
+  private routeManager: RouteManager;
+  private functionCache: FunctionCache;
   
   // State tracking
   public socketMap = new plugins.lik.ObjectMap<plugins.net.Socket>();
@@ -94,15 +104,41 @@ export class NetworkProxy implements IMetricsTracker {
     
     // Initialize logger
     this.logger = createLogger(this.options.logLevel);
-    
-    // Initialize components
+
+    // Initialize route manager
+    this.routeManager = new RouteManager(this.logger);
+
+    // Initialize function cache
+    this.functionCache = new FunctionCache(this.logger, {
+      maxCacheSize: this.options.functionCacheSize || 1000,
+      defaultTtl: this.options.functionCacheTtl || 5000
+    });
+
+    // Initialize other components
     this.certificateManager = new CertificateManager(this.options);
     this.connectionPool = new ConnectionPool(this.options);
-    this.requestHandler = new RequestHandler(this.options, this.connectionPool, this.router);
-    this.webSocketHandler = new WebSocketHandler(this.options, this.connectionPool, this.router);
-    
+    this.requestHandler = new RequestHandler(
+      this.options,
+      this.connectionPool,
+      this.legacyRouter, // Still use legacy router for backward compatibility
+      this.routeManager,
+      this.functionCache,
+      this.router // Pass the new modern router as well
+    );
+    this.webSocketHandler = new WebSocketHandler(
+      this.options,
+      this.connectionPool,
+      this.legacyRouter,
+      this.routes // Pass current routes to WebSocketHandler
+    );
+
     // Connect request handler to this metrics tracker
     this.requestHandler.setMetricsTracker(this);
+
+    // Initialize with any provided routes
+    if (this.options.routes && this.options.routes.length > 0) {
+      this.updateRouteConfigs(this.options.routes);
+    }
   }
 
   /**
@@ -171,7 +207,8 @@ export class NetworkProxy implements IMetricsTracker {
       connectionPoolSize: this.connectionPool.getPoolStatus(),
       uptime: Math.floor((Date.now() - this.startTime) / 1000),
       memoryUsage: process.memoryUsage(),
-      activeWebSockets: this.webSocketHandler.getConnectionInfo().activeConnections
+      activeWebSockets: this.webSocketHandler.getConnectionInfo().activeConnections,
+      functionCache: this.functionCache.getStats()
     };
   }
 
@@ -325,58 +362,159 @@ export class NetworkProxy implements IMetricsTracker {
   }
 
   /**
-   * Updates proxy configurations
+   * Updates the route configurations - this is the primary method for configuring NetworkProxy
+   * @param routes The new route configurations to use
    */
-  public async updateProxyConfigs(
-    proxyConfigsArg: IReverseProxyConfig[]
-  ): Promise<void> {
-    this.logger.info(`Updating proxy configurations (${proxyConfigsArg.length} configs)`);
-    
-    // Update internal configs
-    this.proxyConfigs = proxyConfigsArg;
-    this.router.setNewProxyConfigs(proxyConfigsArg);
-    
-    // Collect all hostnames for cleanup later
-    const currentHostNames = new Set<string>();
-    
-    // Add/update SSL contexts for each host
-    for (const config of proxyConfigsArg) {
-      currentHostNames.add(config.hostName);
-      
-      try {
-        // Update certificate in cache
-        this.certificateManager.updateCertificateCache(
-          config.hostName,
-          config.publicKey,
-          config.privateKey
-        );
-        
-        this.activeContexts.add(config.hostName);
-      } catch (error) {
-        this.logger.error(`Failed to add SSL context for ${config.hostName}`, error);
+  public async updateRouteConfigs(routes: IRouteConfig[]): Promise<void> {
+    this.logger.info(`Updating route configurations (${routes.length} routes)`);
+
+    // Update routes in RouteManager, modern router, WebSocketHandler, and SecurityManager
+    this.routeManager.updateRoutes(routes);
+    this.router.setRoutes(routes);
+    this.webSocketHandler.setRoutes(routes);
+    this.requestHandler.securityManager.setRoutes(routes);
+    this.routes = routes;
+
+    // Directly update the certificate manager with the new routes
+    // This will extract domains and handle certificate provisioning
+    this.certificateManager.updateRouteConfigs(routes);
+
+    // Collect all domains and certificates for configuration
+    const currentHostnames = new Set<string>();
+    const certificateUpdates = new Map<string, { cert: string, key: string }>();
+
+    // Process each route to extract domain and certificate information
+    for (const route of routes) {
+      // Skip non-forward routes or routes without domains
+      if (route.action.type !== 'forward' || !route.match.domains) {
+        continue;
+      }
+
+      // Get domains from route
+      const domains = Array.isArray(route.match.domains)
+        ? route.match.domains
+        : [route.match.domains];
+
+      // Process each domain
+      for (const domain of domains) {
+        // Skip wildcard domains for direct host configuration
+        if (domain.includes('*')) {
+          continue;
+        }
+
+        currentHostnames.add(domain);
+
+        // Check if we have a static certificate for this domain
+        if (route.action.tls?.certificate && route.action.tls.certificate !== 'auto') {
+          certificateUpdates.set(domain, {
+            cert: route.action.tls.certificate.cert,
+            key: route.action.tls.certificate.key
+          });
+        }
       }
     }
-    
+
+    // Update certificate cache with any static certificates
+    for (const [domain, certData] of certificateUpdates.entries()) {
+      try {
+        this.certificateManager.updateCertificateCache(
+          domain,
+          certData.cert,
+          certData.key
+        );
+
+        this.activeContexts.add(domain);
+      } catch (error) {
+        this.logger.error(`Failed to add SSL context for ${domain}`, error);
+      }
+    }
+
     // Clean up removed contexts
     for (const hostname of this.activeContexts) {
-      if (!currentHostNames.has(hostname)) {
+      if (!currentHostnames.has(hostname)) {
         this.logger.info(`Hostname ${hostname} removed from configuration`);
         this.activeContexts.delete(hostname);
       }
     }
-    
-    // Register domains with Port80Handler if available
-    const domainsForACME = Array.from(currentHostNames)
-      .filter(domain => !domain.includes('*')); // Skip wildcard domains
-    
-    this.certificateManager.registerDomainsWithPort80Handler(domainsForACME);
+
+    // Create legacy proxy configs for the router
+    // This is only needed for backward compatibility with ProxyRouter
+    // and will be removed in the future
+    const legacyConfigs: IReverseProxyConfig[] = [];
+
+    for (const domain of currentHostnames) {
+      // Find route for this domain
+      const route = routes.find(r => {
+        const domains = Array.isArray(r.match.domains) ? r.match.domains : [r.match.domains];
+        return domains.includes(domain);
+      });
+
+      if (!route || route.action.type !== 'forward' || !route.action.target) {
+        continue;
+      }
+
+      // Skip routes with function-based targets - we'll handle them during request processing
+      if (typeof route.action.target.host === 'function' || typeof route.action.target.port === 'function') {
+        this.logger.info(`Domain ${domain} uses function-based targets - will be handled at request time`);
+        continue;
+      }
+
+      // Extract static target information
+      const targetHosts = Array.isArray(route.action.target.host)
+        ? route.action.target.host
+        : [route.action.target.host];
+
+      const targetPort = route.action.target.port;
+
+      // Get certificate information
+      const certData = certificateUpdates.get(domain);
+      const defaultCerts = this.certificateManager.getDefaultCertificates();
+
+      legacyConfigs.push({
+        hostName: domain,
+        destinationIps: targetHosts,
+        destinationPorts: [targetPort],
+        privateKey: certData?.key || defaultCerts.key,
+        publicKey: certData?.cert || defaultCerts.cert
+      });
+    }
+
+    // Update the router with legacy configs
+    // Handle both old and new router interfaces
+    if (typeof this.router.setRoutes === 'function') {
+      this.router.setRoutes(routes);
+    } else if (typeof this.router.setNewProxyConfigs === 'function') {
+      this.router.setNewProxyConfigs(legacyConfigs);
+    } else {
+      this.logger.warn('Router has no recognized configuration method');
+    }
+
+    this.logger.info(`Route configuration updated with ${routes.length} routes and ${legacyConfigs.length} proxy configs`);
   }
 
   /**
+   * @deprecated Use updateRouteConfigs instead
+   * Legacy method for updating proxy configurations using IReverseProxyConfig
+   * This method is maintained for backward compatibility
+   */
+  public async updateProxyConfigs(
+    proxyConfigsArg: IReverseProxyConfig[]
+  ): Promise<void> {
+    this.logger.info(`Converting ${proxyConfigsArg.length} legacy configs to route configs`);
+
+    // Convert legacy configs to route configs
+    const routes: IRouteConfig[] = proxyConfigsArg.map(config =>
+      convertLegacyConfigToRouteConfig(config, this.options.port)
+    );
+
+    // Use the primary method
+    return this.updateRouteConfigs(routes);
+  }
+
+  /**
+   * @deprecated Use route-based configuration instead
    * Converts SmartProxy domain configurations to NetworkProxy configs
-   * @param domainConfigs SmartProxy domain configs
-   * @param sslKeyPair Default SSL key pair to use if not specified
-   * @returns Array of NetworkProxy configs
+   * This method is maintained for backward compatibility
    */
   public convertSmartProxyConfigs(
     domainConfigs: Array<{
@@ -386,13 +524,15 @@ export class NetworkProxy implements IMetricsTracker {
     }>,
     sslKeyPair?: { key: string; cert: string }
   ): IReverseProxyConfig[] {
+    this.logger.warn('convertSmartProxyConfigs is deprecated - use route-based configuration instead');
+
     const proxyConfigs: IReverseProxyConfig[] = [];
-    
+
     // Use default certificates if not provided
     const defaultCerts = this.certificateManager.getDefaultCertificates();
     const sslKey = sslKeyPair?.key || defaultCerts.key;
     const sslCert = sslKeyPair?.cert || defaultCerts.cert;
-    
+
     for (const domainConfig of domainConfigs) {
       // Each domain in the domains array gets its own config
       for (const domain of domainConfig.domains) {
@@ -400,7 +540,7 @@ export class NetworkProxy implements IMetricsTracker {
         if (domain.match(/^\d+\.\d+\.\d+\.\d+$/) || domain === '*' || domain === 'localhost') {
           continue;
         }
-        
+
         proxyConfigs.push({
           hostName: domain,
           destinationIps: domainConfig.targetIPs || ['localhost'],
@@ -410,7 +550,7 @@ export class NetworkProxy implements IMetricsTracker {
         });
       }
     }
-    
+
     this.logger.info(`Converted ${domainConfigs.length} SmartProxy configs to ${proxyConfigs.length} NetworkProxy configs`);
     return proxyConfigs;
   }
@@ -474,11 +614,90 @@ export class NetworkProxy implements IMetricsTracker {
   public async requestCertificate(domain: string): Promise<boolean> {
     return this.certificateManager.requestCertificate(domain);
   }
+  
+  /**
+   * Update certificate for a domain
+   * 
+   * This method allows direct updates of certificates from external sources
+   * like Port80Handler or custom certificate providers.
+   * 
+   * @param domain The domain to update certificate for
+   * @param certificate The new certificate (public key)
+   * @param privateKey The new private key
+   * @param expiryDate Optional expiry date
+   */
+  public updateCertificate(
+    domain: string,
+    certificate: string,
+    privateKey: string,
+    expiryDate?: Date
+  ): void {
+    this.logger.info(`Updating certificate for ${domain}`);
+    this.certificateManager.updateCertificateCache(domain, certificate, privateKey, expiryDate);
+  }
 
   /**
-   * Gets all proxy configurations currently in use
+   * Gets all route configurations currently in use
+   */
+  public getRouteConfigs(): IRouteConfig[] {
+    return this.routeManager.getRoutes();
+  }
+
+  /**
+   * @deprecated Use getRouteConfigs instead
+   * Gets all proxy configurations currently in use in the legacy format
+   * This method is maintained for backward compatibility
    */
   public getProxyConfigs(): IReverseProxyConfig[] {
-    return [...this.proxyConfigs];
+    this.logger.warn('getProxyConfigs is deprecated - use getRouteConfigs instead');
+
+    // Create legacy proxy configs from our route configurations
+    const legacyConfigs: IReverseProxyConfig[] = [];
+    const currentRoutes = this.routeManager.getRoutes();
+
+    for (const route of currentRoutes) {
+      // Skip non-forward routes or routes without domains
+      if (route.action.type !== 'forward' || !route.match.domains || !route.action.target) {
+        continue;
+      }
+
+      // Skip routes with function-based targets
+      if (typeof route.action.target.host === 'function' || typeof route.action.target.port === 'function') {
+        continue;
+      }
+
+      // Get domains
+      const domains = Array.isArray(route.match.domains)
+        ? route.match.domains.filter(d => !d.includes('*'))
+        : route.match.domains.includes('*') ? [] : [route.match.domains];
+
+      // Get certificate
+      let privateKey = '';
+      let publicKey = '';
+
+      if (route.action.tls?.certificate && route.action.tls.certificate !== 'auto') {
+        privateKey = route.action.tls.certificate.key;
+        publicKey = route.action.tls.certificate.cert;
+      } else {
+        const defaultCerts = this.certificateManager.getDefaultCertificates();
+        privateKey = defaultCerts.key;
+        publicKey = defaultCerts.cert;
+      }
+
+      // Create legacy config for each domain
+      for (const domain of domains) {
+        legacyConfigs.push({
+          hostName: domain,
+          destinationIps: Array.isArray(route.action.target.host)
+            ? route.action.target.host
+            : [route.action.target.host],
+          destinationPorts: [route.action.target.port],
+          privateKey,
+          publicKey
+        });
+      }
+    }
+
+    return legacyConfigs;
   }
 }

ts/proxies/network-proxy/request-handler.ts

@@ -1,7 +1,22 @@
 import * as plugins from '../../plugins.js';
-import { type INetworkProxyOptions, type ILogger, createLogger, type IReverseProxyConfig } from './models/types.js';
+import '../../core/models/socket-augmentation.js';
+import {
+  type INetworkProxyOptions,
+  type ILogger,
+  createLogger,
+  type IReverseProxyConfig,
+  RouteManager
+} from './models/types.js';
 import { ConnectionPool } from './connection-pool.js';
 import { ProxyRouter } from '../../http/router/index.js';
+import { ContextCreator } from './context-creator.js';
+import { HttpRequestHandler } from './http-request-handler.js';
+import { Http2RequestHandler } from './http2-request-handler.js';
+import type { IRouteConfig } from '../smart-proxy/models/route-types.js';
+import type { IRouteContext, IHttpRouteContext } from '../../core/models/route-context.js';
+import { toBaseContext } from '../../core/models/route-context.js';
+import { TemplateUtils } from '../../core/utils/template-utils.js';
+import { SecurityManager } from './security-manager.js';
 
 /**
  * Interface for tracking metrics
@@ -24,12 +39,34 @@ export class RequestHandler {
   // HTTP/2 client sessions for backend proxying
   private h2Sessions: Map<string, plugins.http2.ClientHttp2Session> = new Map();
 
+  // Context creator for route contexts
+  private contextCreator: ContextCreator = new ContextCreator();
+
+  // Security manager for IP filtering, rate limiting, etc.
+  public securityManager: SecurityManager;
+
   constructor(
     private options: INetworkProxyOptions,
     private connectionPool: ConnectionPool,
-    private router: ProxyRouter
+    private legacyRouter: ProxyRouter, // Legacy router for backward compatibility
+    private routeManager?: RouteManager,
+    private functionCache?: any, // FunctionCache - using any to avoid circular dependency
+    private router?: any // RouteRouter - using any to avoid circular dependency
   ) {
     this.logger = createLogger(options.logLevel || 'info');
+    this.securityManager = new SecurityManager(this.logger);
+
+    // Schedule rate limit cleanup every minute
+    setInterval(() => {
+      this.securityManager.cleanupExpiredRateLimits();
+    }, 60000);
+  }
+
+  /**
+   * Set the route manager instance
+   */
+  public setRouteManager(routeManager: RouteManager): void {
+    this.routeManager = routeManager;
   }
   
   /**
@@ -59,39 +96,104 @@ export class RequestHandler {
   
   /**
    * Apply CORS headers to response if configured
+   * Implements Phase 5.5: Context-aware CORS handling
+   *
+   * @param res The server response to apply headers to
+   * @param req The incoming request
+   * @param route Optional route config with CORS settings
    */
   private applyCorsHeaders(
-    res: plugins.http.ServerResponse, 
-    req: plugins.http.IncomingMessage
+    res: plugins.http.ServerResponse,
+    req: plugins.http.IncomingMessage,
+    route?: IRouteConfig
   ): void {
-    if (!this.options.cors) {
+    // Use route-specific CORS config if available, otherwise use global config
+    let corsConfig: any = null;
+
+    // Route CORS config takes precedence if enabled
+    if (route?.headers?.cors?.enabled) {
+      corsConfig = route.headers.cors;
+      this.logger.debug(`Using route-specific CORS config for ${route.name || 'unnamed route'}`);
+    }
+    // Fall back to global CORS config if available
+    else if (this.options.cors) {
+      corsConfig = this.options.cors;
+      this.logger.debug('Using global CORS config');
+    }
+
+    // If no CORS config available, skip
+    if (!corsConfig) {
       return;
     }
-    
-    // Apply CORS headers
-    if (this.options.cors.allowOrigin) {
-      res.setHeader('Access-Control-Allow-Origin', this.options.cors.allowOrigin);
+
+    // Get origin from request
+    const origin = req.headers.origin;
+
+    // Apply Allow-Origin (with dynamic validation if needed)
+    if (corsConfig.allowOrigin) {
+      // Handle multiple origins in array format
+      if (Array.isArray(corsConfig.allowOrigin)) {
+        if (origin && corsConfig.allowOrigin.includes(origin)) {
+          // Match found, set specific origin
+          res.setHeader('Access-Control-Allow-Origin', origin);
+          res.setHeader('Vary', 'Origin'); // Important for caching
+        } else if (corsConfig.allowOrigin.includes('*')) {
+          // Wildcard match
+          res.setHeader('Access-Control-Allow-Origin', '*');
+        }
+      }
+      // Handle single origin or wildcard
+      else if (corsConfig.allowOrigin === '*') {
+        res.setHeader('Access-Control-Allow-Origin', '*');
+      }
+      // Match single origin against request
+      else if (origin && corsConfig.allowOrigin === origin) {
+        res.setHeader('Access-Control-Allow-Origin', origin);
+        res.setHeader('Vary', 'Origin');
+      }
+      // Use template variables if present
+      else if (origin && corsConfig.allowOrigin.includes('{')) {
+        const resolvedOrigin = TemplateUtils.resolveTemplateVariables(
+          corsConfig.allowOrigin,
+          { domain: req.headers.host } as any
+        );
+        if (resolvedOrigin === origin || resolvedOrigin === '*') {
+          res.setHeader('Access-Control-Allow-Origin', origin);
+          res.setHeader('Vary', 'Origin');
+        }
+      }
     }
-    
-    if (this.options.cors.allowMethods) {
-      res.setHeader('Access-Control-Allow-Methods', this.options.cors.allowMethods);
+
+    // Apply other CORS headers
+    if (corsConfig.allowMethods) {
+      res.setHeader('Access-Control-Allow-Methods', corsConfig.allowMethods);
     }
-    
-    if (this.options.cors.allowHeaders) {
-      res.setHeader('Access-Control-Allow-Headers', this.options.cors.allowHeaders);
+
+    if (corsConfig.allowHeaders) {
+      res.setHeader('Access-Control-Allow-Headers', corsConfig.allowHeaders);
     }
-    
-    if (this.options.cors.maxAge) {
-      res.setHeader('Access-Control-Max-Age', this.options.cors.maxAge.toString());
+
+    if (corsConfig.allowCredentials) {
+      res.setHeader('Access-Control-Allow-Credentials', 'true');
     }
-    
-    // Handle CORS preflight requests
-    if (req.method === 'OPTIONS') {
+
+    if (corsConfig.exposeHeaders) {
+      res.setHeader('Access-Control-Expose-Headers', corsConfig.exposeHeaders);
+    }
+
+    if (corsConfig.maxAge) {
+      res.setHeader('Access-Control-Max-Age', corsConfig.maxAge.toString());
+    }
+
+    // Handle CORS preflight requests if enabled (default: true)
+    if (req.method === 'OPTIONS' && corsConfig.preflight !== false) {
       res.statusCode = 204; // No content
       res.end();
       return;
     }
   }
+
+  // First implementation of applyRouteHeaderModifications moved to the second implementation below
   
   /**
    * Apply default headers to response
@@ -103,12 +205,147 @@ export class RequestHandler {
         res.setHeader(key, value);
       }
     }
-    
+
     // Add server identifier if not already set
     if (!res.hasHeader('Server')) {
       res.setHeader('Server', 'NetworkProxy');
     }
   }
+
+  /**
+   * Apply URL rewriting based on route configuration
+   * Implements Phase 5.2: URL rewriting using route context
+   *
+   * @param req The request with the URL to rewrite
+   * @param route The route configuration containing rewrite rules
+   * @param routeContext Context for template variable resolution
+   * @returns True if URL was rewritten, false otherwise
+   */
+  private applyUrlRewriting(
+    req: plugins.http.IncomingMessage,
+    route: IRouteConfig,
+    routeContext: IHttpRouteContext
+  ): boolean {
+    // Check if route has URL rewriting configuration
+    if (!route.action.advanced?.urlRewrite) {
+      return false;
+    }
+
+    const rewriteConfig = route.action.advanced.urlRewrite;
+
+    // Store original URL for logging
+    const originalUrl = req.url;
+
+    if (rewriteConfig.pattern && rewriteConfig.target) {
+      try {
+        // Create a RegExp from the pattern
+        const regex = new RegExp(rewriteConfig.pattern, rewriteConfig.flags || '');
+
+        // Apply rewriting with template variable resolution
+        let target = rewriteConfig.target;
+
+        // Replace template variables in target with values from context
+        target = TemplateUtils.resolveTemplateVariables(target, routeContext);
+
+        // If onlyRewritePath is set, split URL into path and query parts
+        if (rewriteConfig.onlyRewritePath && req.url) {
+          const [path, query] = req.url.split('?');
+          const rewrittenPath = path.replace(regex, target);
+          req.url = query ? `${rewrittenPath}?${query}` : rewrittenPath;
+        } else {
+          // Perform the replacement on the entire URL
+          req.url = req.url?.replace(regex, target);
+        }
+
+        this.logger.debug(`URL rewritten: ${originalUrl} -> ${req.url}`);
+        return true;
+      } catch (err) {
+        this.logger.error(`Error in URL rewriting: ${err}`);
+        return false;
+      }
+    }
+
+    return false;
+  }
+
+  /**
+   * Apply header modifications from route configuration
+   * Implements Phase 5.1: Route-based header manipulation
+   */
+  private applyRouteHeaderModifications(
+    route: IRouteConfig,
+    req: plugins.http.IncomingMessage,
+    res: plugins.http.ServerResponse
+  ): void {
+    // Check if route has header modifications
+    if (!route.headers) {
+      return;
+    }
+
+    // Apply request header modifications (these will be sent to the backend)
+    if (route.headers.request && req.headers) {
+      for (const [key, value] of Object.entries(route.headers.request)) {
+        // Skip if header already exists and we're not overriding
+        if (req.headers[key.toLowerCase()] && !value.startsWith('!')) {
+          continue;
+        }
+
+        // Handle special delete directive (!delete)
+        if (value === '!delete') {
+          delete req.headers[key.toLowerCase()];
+          this.logger.debug(`Deleted request header: ${key}`);
+          continue;
+        }
+
+        // Handle forced override (!value)
+        let finalValue: string;
+        if (value.startsWith('!') && value !== '!delete') {
+          // Keep the ! but resolve any templates in the rest
+          const templateValue = value.substring(1);
+          finalValue = '!' + TemplateUtils.resolveTemplateVariables(templateValue, {} as IRouteContext);
+        } else {
+          // Resolve templates in the entire value
+          finalValue = TemplateUtils.resolveTemplateVariables(value, {} as IRouteContext);
+        }
+
+        // Set the header
+        req.headers[key.toLowerCase()] = finalValue;
+        this.logger.debug(`Modified request header: ${key}=${finalValue}`);
+      }
+    }
+
+    // Apply response header modifications (these will be stored for later use)
+    if (route.headers.response) {
+      for (const [key, value] of Object.entries(route.headers.response)) {
+        // Skip if header already exists and we're not overriding
+        if (res.hasHeader(key) && !value.startsWith('!')) {
+          continue;
+        }
+
+        // Handle special delete directive (!delete)
+        if (value === '!delete') {
+          res.removeHeader(key);
+          this.logger.debug(`Deleted response header: ${key}`);
+          continue;
+        }
+
+        // Handle forced override (!value)
+        let finalValue: string;
+        if (value.startsWith('!') && value !== '!delete') {
+          // Keep the ! but resolve any templates in the rest
+          const templateValue = value.substring(1);
+          finalValue = '!' + TemplateUtils.resolveTemplateVariables(templateValue, {} as IRouteContext);
+        } else {
+          // Resolve templates in the entire value
+          finalValue = TemplateUtils.resolveTemplateVariables(value, {} as IRouteContext);
+        }
+
+        // Set the header
+        res.setHeader(key, finalValue);
+        this.logger.debug(`Modified response header: ${key}=${finalValue}`);
+      }
+    }
+  }
   
   /**
    * Handle an HTTP request
@@ -119,10 +356,32 @@ export class RequestHandler {
   ): Promise<void> {
     // Record start time for logging
     const startTime = Date.now();
-    
-    // Apply CORS headers if configured
-    this.applyCorsHeaders(res, req);
-    
+
+    // Get route before applying CORS (we might need its settings)
+    // Try to find a matching route using RouteManager
+    let matchingRoute: IRouteConfig | null = null;
+    if (this.routeManager) {
+      try {
+        // Create a connection ID for this request
+        const connectionId = `http-${Date.now()}-${Math.floor(Math.random() * 10000)}`;
+
+        // Create route context for function-based targets
+        const routeContext = this.contextCreator.createHttpRouteContext(req, {
+          connectionId,
+          clientIp: req.socket.remoteAddress?.replace('::ffff:', '') || '0.0.0.0',
+          serverIp: req.socket.localAddress?.replace('::ffff:', '') || '0.0.0.0',
+          tlsVersion: req.socket.getTLSVersion?.() || undefined
+        });
+
+        matchingRoute = this.routeManager.findMatchingRoute(toBaseContext(routeContext));
+      } catch (err) {
+        this.logger.error('Error finding matching route', err);
+      }
+    }
+
+    // Apply CORS headers with route-specific settings if available
+    this.applyCorsHeaders(res, req, matchingRoute);
+
     // If this is an OPTIONS request, the response has already been ended in applyCorsHeaders
     // so we should return early to avoid trying to set more headers
     if (req.method === 'OPTIONS') {
@@ -132,16 +391,220 @@ export class RequestHandler {
       }
       return;
     }
-    
+
     // Apply default headers
     this.applyDefaultHeaders(res);
-    
-    // Determine routing configuration
+
+    // We already have the connection ID and routeContext from CORS handling
+    const connectionId = `http-${Date.now()}-${Math.floor(Math.random() * 10000)}`;
+
+    // Create route context for function-based targets (if we don't already have one)
+    const routeContext = this.contextCreator.createHttpRouteContext(req, {
+      connectionId,
+      clientIp: req.socket.remoteAddress?.replace('::ffff:', '') || '0.0.0.0',
+      serverIp: req.socket.localAddress?.replace('::ffff:', '') || '0.0.0.0',
+      tlsVersion: req.socket.getTLSVersion?.() || undefined
+    });
+
+    // Check security restrictions if we have a matching route
+    if (matchingRoute) {
+      // Check IP filtering and rate limiting
+      if (!this.securityManager.isAllowed(matchingRoute, routeContext)) {
+        this.logger.warn(`Access denied for ${routeContext.clientIp} to ${matchingRoute.name || 'unnamed'}`);
+        res.statusCode = 403;
+        res.end('Forbidden: Access denied by security policy');
+        if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+        return;
+      }
+
+      // Check basic auth
+      if (matchingRoute.security?.basicAuth?.enabled) {
+        const authHeader = req.headers.authorization;
+        if (!authHeader || !authHeader.startsWith('Basic ')) {
+          // No auth header provided - send 401 with WWW-Authenticate header
+          res.statusCode = 401;
+          const realm = matchingRoute.security.basicAuth.realm || 'Protected Area';
+          res.setHeader('WWW-Authenticate', `Basic realm="${realm}", charset="UTF-8"`);
+          res.end('Authentication Required');
+          if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+          return;
+        }
+
+        // Verify credentials
+        try {
+          const credentials = Buffer.from(authHeader.substring(6), 'base64').toString('utf-8');
+          const [username, password] = credentials.split(':');
+
+          if (!this.securityManager.checkBasicAuth(matchingRoute, username, password)) {
+            res.statusCode = 401;
+            const realm = matchingRoute.security.basicAuth.realm || 'Protected Area';
+            res.setHeader('WWW-Authenticate', `Basic realm="${realm}", charset="UTF-8"`);
+            res.end('Invalid Credentials');
+            if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+            return;
+          }
+        } catch (err) {
+          this.logger.error(`Error verifying basic auth: ${err}`);
+          res.statusCode = 401;
+          res.end('Authentication Error');
+          if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+          return;
+        }
+      }
+
+      // Check JWT auth
+      if (matchingRoute.security?.jwtAuth?.enabled) {
+        const authHeader = req.headers.authorization;
+        if (!authHeader || !authHeader.startsWith('Bearer ')) {
+          // No auth header provided - send 401
+          res.statusCode = 401;
+          res.end('Authentication Required: JWT token missing');
+          if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+          return;
+        }
+
+        // Verify token
+        const token = authHeader.substring(7);
+        if (!this.securityManager.verifyJwtToken(matchingRoute, token)) {
+          res.statusCode = 401;
+          res.end('Invalid or Expired JWT');
+          if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+          return;
+        }
+      }
+    }
+
+    // If we found a matching route with function-based targets, use it
+    if (matchingRoute && matchingRoute.action.type === 'forward' && matchingRoute.action.target) {
+      this.logger.debug(`Found matching route: ${matchingRoute.name || 'unnamed'}`);
+
+      // Extract target information, resolving functions if needed
+      let targetHost: string | string[];
+      let targetPort: number;
+
+      try {
+        // Check function cache for host and resolve or use cached value
+        if (typeof matchingRoute.action.target.host === 'function') {
+          // Generate a function ID for caching (use route name or ID if available)
+          const functionId = `host-${matchingRoute.id || matchingRoute.name || 'unnamed'}`;
+
+          // Check if we have a cached result
+          if (this.functionCache) {
+            const cachedHost = this.functionCache.getCachedHost(routeContext, functionId);
+            if (cachedHost !== undefined) {
+              targetHost = cachedHost;
+              this.logger.debug(`Using cached host value for ${functionId}`);
+            } else {
+              // Resolve the function and cache the result
+              const resolvedHost = matchingRoute.action.target.host(toBaseContext(routeContext));
+              targetHost = resolvedHost;
+
+              // Cache the result
+              this.functionCache.cacheHost(routeContext, functionId, resolvedHost);
+              this.logger.debug(`Resolved and cached function-based host to: ${Array.isArray(resolvedHost) ? resolvedHost.join(', ') : resolvedHost}`);
+            }
+          } else {
+            // No cache available, just resolve
+            const resolvedHost = matchingRoute.action.target.host(routeContext);
+            targetHost = resolvedHost;
+            this.logger.debug(`Resolved function-based host to: ${Array.isArray(resolvedHost) ? resolvedHost.join(', ') : resolvedHost}`);
+          }
+        } else {
+          targetHost = matchingRoute.action.target.host;
+        }
+
+        // Check function cache for port and resolve or use cached value
+        if (typeof matchingRoute.action.target.port === 'function') {
+          // Generate a function ID for caching
+          const functionId = `port-${matchingRoute.id || matchingRoute.name || 'unnamed'}`;
+
+          // Check if we have a cached result
+          if (this.functionCache) {
+            const cachedPort = this.functionCache.getCachedPort(routeContext, functionId);
+            if (cachedPort !== undefined) {
+              targetPort = cachedPort;
+              this.logger.debug(`Using cached port value for ${functionId}`);
+            } else {
+              // Resolve the function and cache the result
+              const resolvedPort = matchingRoute.action.target.port(toBaseContext(routeContext));
+              targetPort = resolvedPort;
+
+              // Cache the result
+              this.functionCache.cachePort(routeContext, functionId, resolvedPort);
+              this.logger.debug(`Resolved and cached function-based port to: ${resolvedPort}`);
+            }
+          } else {
+            // No cache available, just resolve
+            const resolvedPort = matchingRoute.action.target.port(routeContext);
+            targetPort = resolvedPort;
+            this.logger.debug(`Resolved function-based port to: ${resolvedPort}`);
+          }
+        } else {
+          targetPort = matchingRoute.action.target.port;
+        }
+
+        // Select a single host if an array was provided
+        const selectedHost = Array.isArray(targetHost)
+          ? targetHost[Math.floor(Math.random() * targetHost.length)]
+          : targetHost;
+
+        // Create a destination for the connection pool
+        const destination = {
+          host: selectedHost,
+          port: targetPort
+        };
+
+        // Apply URL rewriting if configured
+        this.applyUrlRewriting(req, matchingRoute, routeContext);
+
+        // Apply header modifications if configured
+        this.applyRouteHeaderModifications(matchingRoute, req, res);
+
+        // Continue with handling using the resolved destination
+        HttpRequestHandler.handleHttpRequestWithDestination(
+          req,
+          res,
+          destination,
+          routeContext,
+          startTime,
+          this.logger,
+          this.metricsTracker,
+          matchingRoute // Pass the route config for additional processing
+        );
+        return;
+      } catch (err) {
+        this.logger.error(`Error evaluating function-based target: ${err}`);
+        res.statusCode = 500;
+        res.end('Internal Server Error: Failed to evaluate target functions');
+        if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+        return;
+      }
+    }
+
+    // Try modern router first, then fall back to legacy routing if needed
+    if (this.router) {
+      try {
+        // Try to find a matching route using the modern router
+        const route = this.router.routeReq(req);
+        if (route && route.action.type === 'forward' && route.action.target) {
+          // Handle this route similarly to RouteManager logic
+          this.logger.debug(`Found matching route via modern router: ${route.name || 'unnamed'}`);
+
+          // No need to do anything here, we'll continue with legacy routing
+          // The routeManager would have already found this route if applicable
+        }
+      } catch (err) {
+        this.logger.error('Error using modern router', err);
+        // Continue with legacy routing
+      }
+    }
+
+    // Fall back to legacy routing if no matching route found via RouteManager
     let proxyConfig: IReverseProxyConfig | undefined;
     try {
-      proxyConfig = this.router.routeReq(req);
+      proxyConfig = this.legacyRouter.routeReq(req);
     } catch (err) {
-      this.logger.error('Error routing request', err);
+      this.logger.error('Error routing request with legacy router', err);
       res.statusCode = 500;
       res.end('Internal Server Error');
       if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
@@ -345,18 +808,180 @@ export class RequestHandler {
   }
 
   /**
-   * Handle HTTP/2 stream requests by proxying to HTTP/1 backends
+   * Handle HTTP/2 stream requests with function-based target support
    */
-  public async handleHttp2(stream: any, headers: any): Promise<void> {
+  public async handleHttp2(stream: plugins.http2.ServerHttp2Stream, headers: plugins.http2.IncomingHttpHeaders): Promise<void> {
     const startTime = Date.now();
+
+    // Create a connection ID for this HTTP/2 stream
+    const connectionId = `http2-${Date.now()}-${Math.floor(Math.random() * 10000)}`;
+
+    // Get client IP and server IP from the socket
+    const socket = (stream.session as any)?.socket;
+    const clientIp = socket?.remoteAddress?.replace('::ffff:', '') || '0.0.0.0';
+    const serverIp = socket?.localAddress?.replace('::ffff:', '') || '0.0.0.0';
+
+    // Create route context for function-based targets
+    const routeContext = this.contextCreator.createHttp2RouteContext(stream, headers, {
+      connectionId,
+      clientIp,
+      serverIp
+    });
+
+    // Try to find a matching route using RouteManager
+    let matchingRoute: IRouteConfig | null = null;
+    if (this.routeManager) {
+      try {
+        matchingRoute = this.routeManager.findMatchingRoute(toBaseContext(routeContext));
+      } catch (err) {
+        this.logger.error('Error finding matching route for HTTP/2 request', err);
+      }
+    }
+
+    // If we found a matching route with function-based targets, use it
+    if (matchingRoute && matchingRoute.action.type === 'forward' && matchingRoute.action.target) {
+      this.logger.debug(`Found matching route for HTTP/2 request: ${matchingRoute.name || 'unnamed'}`);
+
+      // Extract target information, resolving functions if needed
+      let targetHost: string | string[];
+      let targetPort: number;
+
+      try {
+        // Check function cache for host and resolve or use cached value
+        if (typeof matchingRoute.action.target.host === 'function') {
+          // Generate a function ID for caching (use route name or ID if available)
+          const functionId = `host-http2-${matchingRoute.id || matchingRoute.name || 'unnamed'}`;
+
+          // Check if we have a cached result
+          if (this.functionCache) {
+            const cachedHost = this.functionCache.getCachedHost(routeContext, functionId);
+            if (cachedHost !== undefined) {
+              targetHost = cachedHost;
+              this.logger.debug(`Using cached host value for HTTP/2: ${functionId}`);
+            } else {
+              // Resolve the function and cache the result
+              const resolvedHost = matchingRoute.action.target.host(toBaseContext(routeContext));
+              targetHost = resolvedHost;
+
+              // Cache the result
+              this.functionCache.cacheHost(routeContext, functionId, resolvedHost);
+              this.logger.debug(`Resolved and cached HTTP/2 function-based host to: ${Array.isArray(resolvedHost) ? resolvedHost.join(', ') : resolvedHost}`);
+            }
+          } else {
+            // No cache available, just resolve
+            const resolvedHost = matchingRoute.action.target.host(routeContext);
+            targetHost = resolvedHost;
+            this.logger.debug(`Resolved HTTP/2 function-based host to: ${Array.isArray(resolvedHost) ? resolvedHost.join(', ') : resolvedHost}`);
+          }
+        } else {
+          targetHost = matchingRoute.action.target.host;
+        }
+
+        // Check function cache for port and resolve or use cached value
+        if (typeof matchingRoute.action.target.port === 'function') {
+          // Generate a function ID for caching
+          const functionId = `port-http2-${matchingRoute.id || matchingRoute.name || 'unnamed'}`;
+
+          // Check if we have a cached result
+          if (this.functionCache) {
+            const cachedPort = this.functionCache.getCachedPort(routeContext, functionId);
+            if (cachedPort !== undefined) {
+              targetPort = cachedPort;
+              this.logger.debug(`Using cached port value for HTTP/2: ${functionId}`);
+            } else {
+              // Resolve the function and cache the result
+              const resolvedPort = matchingRoute.action.target.port(toBaseContext(routeContext));
+              targetPort = resolvedPort;
+
+              // Cache the result
+              this.functionCache.cachePort(routeContext, functionId, resolvedPort);
+              this.logger.debug(`Resolved and cached HTTP/2 function-based port to: ${resolvedPort}`);
+            }
+          } else {
+            // No cache available, just resolve
+            const resolvedPort = matchingRoute.action.target.port(routeContext);
+            targetPort = resolvedPort;
+            this.logger.debug(`Resolved HTTP/2 function-based port to: ${resolvedPort}`);
+          }
+        } else {
+          targetPort = matchingRoute.action.target.port;
+        }
+
+        // Select a single host if an array was provided
+        const selectedHost = Array.isArray(targetHost)
+          ? targetHost[Math.floor(Math.random() * targetHost.length)]
+          : targetHost;
+
+        // Create a destination for forwarding
+        const destination = {
+          host: selectedHost,
+          port: targetPort
+        };
+
+        // Handle HTTP/2 stream based on backend protocol
+        const backendProtocol = matchingRoute.action.options?.backendProtocol || this.options.backendProtocol;
+
+        if (backendProtocol === 'http2') {
+          // Forward to HTTP/2 backend
+          return Http2RequestHandler.handleHttp2WithHttp2Destination(
+            stream,
+            headers,
+            destination,
+            routeContext,
+            this.h2Sessions,
+            this.logger,
+            this.metricsTracker
+          );
+        } else {
+          // Forward to HTTP/1.1 backend
+          return Http2RequestHandler.handleHttp2WithHttp1Destination(
+            stream,
+            headers,
+            destination,
+            routeContext,
+            this.logger,
+            this.metricsTracker
+          );
+        }
+      } catch (err) {
+        this.logger.error(`Error evaluating function-based target for HTTP/2: ${err}`);
+        stream.respond({ ':status': 500 });
+        stream.end('Internal Server Error: Failed to evaluate target functions');
+        if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
+        return;
+      }
+    }
+
+    // Fall back to legacy routing if no matching route found
     const method = headers[':method'] || 'GET';
     const path = headers[':path'] || '/';
+
     // If configured to proxy to backends over HTTP/2, use HTTP/2 client sessions
     if (this.options.backendProtocol === 'http2') {
       const authority = headers[':authority'] as string || '';
       const host = authority.split(':')[0];
-      const fakeReq: any = { headers: { host }, method: headers[':method'], url: headers[':path'], socket: (stream.session as any).socket };
-      const proxyConfig = this.router.routeReq(fakeReq);
+      const fakeReq: any = {
+        headers: { host },
+        method: headers[':method'],
+        url: headers[':path'],
+        socket: (stream.session as any).socket
+      };
+      // Try modern router first if available
+      let route;
+      if (this.router) {
+        try {
+          route = this.router.routeReq(fakeReq);
+          if (route && route.action.type === 'forward' && route.action.target) {
+            this.logger.debug(`Found matching HTTP/2 route via modern router: ${route.name || 'unnamed'}`);
+            // The routeManager would have already found this route if applicable
+          }
+        } catch (err) {
+          this.logger.error('Error using modern router for HTTP/2', err);
+        }
+      }
+
+      // Fall back to legacy routing
+      const proxyConfig = this.legacyRouter.routeReq(fakeReq);
       if (!proxyConfig) {
         stream.respond({ ':status': 404 });
         stream.end('Not Found');
@@ -364,96 +989,67 @@ export class RequestHandler {
         return;
       }
       const destination = this.connectionPool.getNextTarget(proxyConfig.destinationIps, proxyConfig.destinationPorts[0]);
-      const key = `${destination.host}:${destination.port}`;
-      let session = this.h2Sessions.get(key);
-      if (!session || session.closed || (session as any).destroyed) {
-        session = plugins.http2.connect(`http://${destination.host}:${destination.port}`);
-        this.h2Sessions.set(key, session);
-        session.on('error', () => this.h2Sessions.delete(key));
-        session.on('close', () => this.h2Sessions.delete(key));
-      }
-      // Build headers for backend HTTP/2 request
-      const h2Headers: Record<string, any> = {
-        ':method': headers[':method'],
-        ':path': headers[':path'],
-        ':authority': `${destination.host}:${destination.port}`
-      };
-      for (const [k, v] of Object.entries(headers)) {
-        if (!k.startsWith(':') && typeof v === 'string') {
-          h2Headers[k] = v;
-        }
-      }
-      const h2Stream2 = session.request(h2Headers);
-      stream.pipe(h2Stream2);
-      h2Stream2.on('response', (hdrs: any) => {
-        // Map status and headers to client
-        const resp: Record<string, any> = { ':status': hdrs[':status'] as number };
-        for (const [hk, hv] of Object.entries(hdrs)) {
-          if (!hk.startsWith(':') && hv) resp[hk] = hv;
-        }
-        stream.respond(resp);
-        h2Stream2.pipe(stream);
-      });
-      h2Stream2.on('error', (err) => {
-        stream.respond({ ':status': 502 });
-        stream.end(`Bad Gateway: ${err.message}`);
-        if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
-      });
-      return;
+
+      // Use the helper for HTTP/2 to HTTP/2 routing
+      return Http2RequestHandler.handleHttp2WithHttp2Destination(
+        stream,
+        headers,
+        destination,
+        routeContext,
+        this.h2Sessions,
+        this.logger,
+        this.metricsTracker
+      );
     }
+
     try {
       // Determine host for routing
       const authority = headers[':authority'] as string || '';
       const host = authority.split(':')[0];
       // Fake request object for routing
-      const fakeReq: any = { headers: { host }, method, url: path, socket: (stream.session as any).socket };
-      const proxyConfig = this.router.routeReq(fakeReq as any);
+      const fakeReq: any = {
+        headers: { host },
+        method,
+        url: path,
+        socket: (stream.session as any).socket
+      };
+      // Try modern router first if available
+      if (this.router) {
+        try {
+          const route = this.router.routeReq(fakeReq);
+          if (route && route.action.type === 'forward' && route.action.target) {
+            this.logger.debug(`Found matching HTTP/2 route via modern router: ${route.name || 'unnamed'}`);
+            // The routeManager would have already found this route if applicable
+          }
+        } catch (err) {
+          this.logger.error('Error using modern router for HTTP/2', err);
+        }
+      }
+
+      // Fall back to legacy routing
+      const proxyConfig = this.legacyRouter.routeReq(fakeReq as any);
       if (!proxyConfig) {
         stream.respond({ ':status': 404 });
         stream.end('Not Found');
         if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
         return;
       }
+
       // Select backend target
       const destination = this.connectionPool.getNextTarget(
         proxyConfig.destinationIps,
         proxyConfig.destinationPorts[0]
       );
-      // Build headers for HTTP/1 proxy
-      const outboundHeaders: Record<string,string> = {};
-      for (const [key, value] of Object.entries(headers)) {
-        if (typeof key === 'string' && typeof value === 'string' && !key.startsWith(':')) {
-          outboundHeaders[key] = value;
-        }
-      }
-      if (outboundHeaders.host && (proxyConfig as IReverseProxyConfig).rewriteHostHeader) {
-        outboundHeaders.host = `${destination.host}:${destination.port}`;
-      }
-      // Create HTTP/1 proxy request
-      const proxyReq = plugins.http.request(
-        { hostname: destination.host, port: destination.port, path, method, headers: outboundHeaders },
-        (proxyRes) => {
-          // Map status and headers back to HTTP/2
-          const responseHeaders: Record<string, number|string|string[]> = {};
-          for (const [k, v] of Object.entries(proxyRes.headers)) {
-            if (v !== undefined) {
-              responseHeaders[k] = v as string | string[];
-            }
-          }
-          stream.respond({ ':status': proxyRes.statusCode || 500, ...responseHeaders });
-          proxyRes.pipe(stream);
-          stream.on('close', () => proxyReq.destroy());
-          stream.on('error', () => proxyReq.destroy());
-          if (this.metricsTracker) stream.on('end', () => this.metricsTracker.incrementRequestsServed());
-        }
+
+      // Use the helper for HTTP/2 to HTTP/1 routing
+      return Http2RequestHandler.handleHttp2WithHttp1Destination(
+        stream,
+        headers,
+        destination,
+        routeContext,
+        this.logger,
+        this.metricsTracker
       );
-      proxyReq.on('error', (err) => {
-        stream.respond({ ':status': 502 });
-        stream.end(`Bad Gateway: ${err.message}`);
-        if (this.metricsTracker) this.metricsTracker.incrementFailedRequests();
-      });
-      // Pipe client stream to backend
-      stream.pipe(proxyReq);
     } catch (err: any) {
       stream.respond({ ':status': 500 });
       stream.end('Internal Server Error');

ts/proxies/network-proxy/security-manager.ts

@@ -0,0 +1,298 @@
+import * as plugins from '../../plugins.js';
+import type { ILogger } from './models/types.js';
+import type { IRouteConfig } from '../smart-proxy/models/route-types.js';
+import type { IRouteContext } from '../../core/models/route-context.js';
+
+/**
+ * Manages security features for the NetworkProxy
+ * Implements Phase 5.4: Security features like IP filtering and rate limiting
+ */
+export class SecurityManager {
+  // Cache IP filtering results to avoid constant regex matching
+  private ipFilterCache: Map<string, Map<string, boolean>> = new Map();
+  
+  // Store rate limits per route and key
+  private rateLimits: Map<string, Map<string, { count: number, expiry: number }>> = new Map();
+  
+  constructor(private logger: ILogger, private routes: IRouteConfig[] = []) {}
+  
+  /**
+   * Update the routes configuration
+   */
+  public setRoutes(routes: IRouteConfig[]): void {
+    this.routes = routes;
+    // Reset caches when routes change
+    this.ipFilterCache.clear();
+  }
+  
+  /**
+   * Check if a client is allowed to access a specific route
+   * 
+   * @param route The route to check access for
+   * @param context The route context with client information
+   * @returns True if access is allowed, false otherwise
+   */
+  public isAllowed(route: IRouteConfig, context: IRouteContext): boolean {
+    if (!route.security) {
+      return true; // No security restrictions
+    }
+    
+    // --- IP filtering ---
+    if (!this.isIpAllowed(route, context.clientIp)) {
+      this.logger.debug(`IP ${context.clientIp} is blocked for route ${route.name || route.id || 'unnamed'}`);
+      return false;
+    }
+    
+    // --- Rate limiting ---
+    if (route.security.rateLimit?.enabled && !this.isWithinRateLimit(route, context)) {
+      this.logger.debug(`Rate limit exceeded for route ${route.name || route.id || 'unnamed'}`);
+      return false;
+    }
+    
+    // --- Basic Auth (handled at HTTP level) ---
+    // Basic auth is not checked here as it requires HTTP headers
+    // and is handled in the RequestHandler
+    
+    return true;
+  }
+  
+  /**
+   * Check if an IP is allowed based on route security settings
+   */
+  private isIpAllowed(route: IRouteConfig, clientIp: string): boolean {
+    if (!route.security) {
+      return true; // No security restrictions
+    }
+    
+    const routeId = route.id || route.name || 'unnamed';
+    
+    // Check cache first
+    if (!this.ipFilterCache.has(routeId)) {
+      this.ipFilterCache.set(routeId, new Map());
+    }
+    
+    const routeCache = this.ipFilterCache.get(routeId)!;
+    if (routeCache.has(clientIp)) {
+      return routeCache.get(clientIp)!;
+    }
+    
+    let allowed = true;
+    
+    // Check block list first (deny has priority over allow)
+    if (route.security.ipBlockList && route.security.ipBlockList.length > 0) {
+      if (this.ipMatchesPattern(clientIp, route.security.ipBlockList)) {
+        allowed = false;
+      }
+    }
+    
+    // Then check allow list (overrides block list if specified)
+    if (route.security.ipAllowList && route.security.ipAllowList.length > 0) {
+      // If allow list is specified, IP must match an entry to be allowed
+      allowed = this.ipMatchesPattern(clientIp, route.security.ipAllowList);
+    }
+    
+    // Cache the result
+    routeCache.set(clientIp, allowed);
+    
+    return allowed;
+  }
+  
+  /**
+   * Check if IP matches any pattern in the list
+   */
+  private ipMatchesPattern(ip: string, patterns: string[]): boolean {
+    for (const pattern of patterns) {
+      // CIDR notation
+      if (pattern.includes('/')) {
+        if (this.ipMatchesCidr(ip, pattern)) {
+          return true;
+        }
+      } 
+      // Wildcard notation
+      else if (pattern.includes('*')) {
+        const regex = new RegExp('^' + pattern.replace(/\./g, '\\.').replace(/\*/g, '.*') + '$');
+        if (regex.test(ip)) {
+          return true;
+        }
+      }
+      // Exact match
+      else if (pattern === ip) {
+        return true;
+      }
+    }
+    return false;
+  }
+  
+  /**
+   * Check if IP matches CIDR notation
+   * Very basic implementation - for production use, consider a dedicated IP library
+   */
+  private ipMatchesCidr(ip: string, cidr: string): boolean {
+    try {
+      const [subnet, bits] = cidr.split('/');
+      const mask = parseInt(bits, 10);
+      
+      // Convert IP to numeric format
+      const ipParts = ip.split('.').map(part => parseInt(part, 10));
+      const subnetParts = subnet.split('.').map(part => parseInt(part, 10));
+      
+      // Calculate the numeric IP and subnet
+      const ipNum = (ipParts[0] << 24) | (ipParts[1] << 16) | (ipParts[2] << 8) | ipParts[3];
+      const subnetNum = (subnetParts[0] << 24) | (subnetParts[1] << 16) | (subnetParts[2] << 8) | subnetParts[3];
+      
+      // Calculate the mask
+      const maskNum = ~((1 << (32 - mask)) - 1);
+      
+      // Check if IP is in subnet
+      return (ipNum & maskNum) === (subnetNum & maskNum);
+    } catch (e) {
+      this.logger.error(`Invalid CIDR notation: ${cidr}`);
+      return false;
+    }
+  }
+  
+  /**
+   * Check if request is within rate limit
+   */
+  private isWithinRateLimit(route: IRouteConfig, context: IRouteContext): boolean {
+    if (!route.security?.rateLimit?.enabled) {
+      return true;
+    }
+    
+    const rateLimit = route.security.rateLimit;
+    const routeId = route.id || route.name || 'unnamed';
+    
+    // Determine rate limit key (by IP, path, or header)
+    let key = context.clientIp; // Default to IP
+    
+    if (rateLimit.keyBy === 'path' && context.path) {
+      key = `${context.clientIp}:${context.path}`;
+    } else if (rateLimit.keyBy === 'header' && rateLimit.headerName && context.headers) {
+      const headerValue = context.headers[rateLimit.headerName.toLowerCase()];
+      if (headerValue) {
+        key = `${context.clientIp}:${headerValue}`;
+      }
+    }
+    
+    // Get or create rate limit tracking for this route
+    if (!this.rateLimits.has(routeId)) {
+      this.rateLimits.set(routeId, new Map());
+    }
+    
+    const routeLimits = this.rateLimits.get(routeId)!;
+    const now = Date.now();
+    
+    // Get or create rate limit tracking for this key
+    let limit = routeLimits.get(key);
+    if (!limit || limit.expiry < now) {
+      // Create new rate limit or reset expired one
+      limit = {
+        count: 1,
+        expiry: now + (rateLimit.window * 1000)
+      };
+      routeLimits.set(key, limit);
+      return true;
+    }
+    
+    // Increment the counter
+    limit.count++;
+    
+    // Check if rate limit is exceeded
+    return limit.count <= rateLimit.maxRequests;
+  }
+  
+  /**
+   * Clean up expired rate limits
+   * Should be called periodically to prevent memory leaks
+   */
+  public cleanupExpiredRateLimits(): void {
+    const now = Date.now();
+    for (const [routeId, routeLimits] of this.rateLimits.entries()) {
+      let removed = 0;
+      for (const [key, limit] of routeLimits.entries()) {
+        if (limit.expiry < now) {
+          routeLimits.delete(key);
+          removed++;
+        }
+      }
+      if (removed > 0) {
+        this.logger.debug(`Cleaned up ${removed} expired rate limits for route ${routeId}`);
+      }
+    }
+  }
+  
+  /**
+   * Check basic auth credentials
+   * 
+   * @param route The route to check auth for
+   * @param username The provided username
+   * @param password The provided password
+   * @returns True if credentials are valid, false otherwise
+   */
+  public checkBasicAuth(route: IRouteConfig, username: string, password: string): boolean {
+    if (!route.security?.basicAuth?.enabled) {
+      return true;
+    }
+    
+    const basicAuth = route.security.basicAuth;
+    
+    // Check credentials against configured users
+    for (const user of basicAuth.users) {
+      if (user.username === username && user.password === password) {
+        return true;
+      }
+    }
+    
+    return false;
+  }
+  
+  /**
+   * Verify a JWT token
+   * 
+   * @param route The route to verify the token for
+   * @param token The JWT token to verify
+   * @returns True if the token is valid, false otherwise
+   */
+  public verifyJwtToken(route: IRouteConfig, token: string): boolean {
+    if (!route.security?.jwtAuth?.enabled) {
+      return true;
+    }
+    
+    try {
+      // This is a simplified version - in production you'd use a proper JWT library
+      const jwtAuth = route.security.jwtAuth;
+      
+      // Verify structure
+      const parts = token.split('.');
+      if (parts.length !== 3) {
+        return false;
+      }
+      
+      // Decode payload
+      const payload = JSON.parse(Buffer.from(parts[1], 'base64').toString());
+      
+      // Check expiration
+      if (payload.exp && payload.exp < Math.floor(Date.now() / 1000)) {
+        return false;
+      }
+      
+      // Check issuer
+      if (jwtAuth.issuer && payload.iss !== jwtAuth.issuer) {
+        return false;
+      }
+      
+      // Check audience
+      if (jwtAuth.audience && payload.aud !== jwtAuth.audience) {
+        return false;
+      }
+      
+      // In a real implementation, you'd also verify the signature
+      // using the secret and algorithm specified in jwtAuth
+      
+      return true;
+    } catch (err) {
+      this.logger.error(`Error verifying JWT: ${err}`);
+      return false;
+    }
+  }
+}

ts/proxies/network-proxy/websocket-handler.ts

@@ -1,7 +1,15 @@
 import * as plugins from '../../plugins.js';
+import '../../core/models/socket-augmentation.js';
 import { type INetworkProxyOptions, type IWebSocketWithHeartbeat, type ILogger, createLogger, type IReverseProxyConfig } from './models/types.js';
 import { ConnectionPool } from './connection-pool.js';
-import { ProxyRouter } from '../../http/router/index.js';
+import { ProxyRouter, RouteRouter } from '../../http/router/index.js';
+import type { IRouteConfig } from '../smart-proxy/models/route-types.js';
+import type { IRouteContext } from '../../core/models/route-context.js';
+import { toBaseContext } from '../../core/models/route-context.js';
+import { ContextCreator } from './context-creator.js';
+import { SecurityManager } from './security-manager.js';
+import { TemplateUtils } from '../../core/utils/template-utils.js';
+import { getMessageSize, toBuffer } from '../../core/utils/websocket-utils.js';
 
 /**
  * Handles WebSocket connections and proxying
@@ -10,13 +18,40 @@ export class WebSocketHandler {
   private heartbeatInterval: NodeJS.Timeout | null = null;
   private wsServer: plugins.ws.WebSocketServer | null = null;
   private logger: ILogger;
+  private contextCreator: ContextCreator = new ContextCreator();
+  private routeRouter: RouteRouter | null = null;
+  private securityManager: SecurityManager;
 
   constructor(
     private options: INetworkProxyOptions,
     private connectionPool: ConnectionPool,
-    private router: ProxyRouter
+    private legacyRouter: ProxyRouter, // Legacy router for backward compatibility
+    private routes: IRouteConfig[] = [] // Routes for modern router
   ) {
     this.logger = createLogger(options.logLevel || 'info');
+    this.securityManager = new SecurityManager(this.logger, routes);
+
+    // Initialize modern router if we have routes
+    if (routes.length > 0) {
+      this.routeRouter = new RouteRouter(routes, this.logger);
+    }
+  }
+
+  /**
+   * Set the route configurations
+   */
+  public setRoutes(routes: IRouteConfig[]): void {
+    this.routes = routes;
+
+    // Initialize or update the route router
+    if (!this.routeRouter) {
+      this.routeRouter = new RouteRouter(routes, this.logger);
+    } else {
+      this.routeRouter.setRoutes(routes);
+    }
+
+    // Update the security manager
+    this.securityManager.setRoutes(routes);
   }
   
   /**
@@ -91,51 +126,200 @@ export class WebSocketHandler {
         wsIncoming.lastPong = Date.now();
       });
       
-      // Find target configuration based on request
-      const proxyConfig = this.router.routeReq(req);
-      
-      if (!proxyConfig) {
-        this.logger.warn(`No proxy configuration for WebSocket host: ${req.headers.host}`);
-        wsIncoming.close(1008, 'No proxy configuration for this host');
-        return;
+      // Create a context for routing
+      const connectionId = `ws-${Date.now()}-${Math.floor(Math.random() * 10000)}`;
+      const routeContext = this.contextCreator.createHttpRouteContext(req, {
+        connectionId,
+        clientIp: req.socket.remoteAddress?.replace('::ffff:', '') || '0.0.0.0',
+        serverIp: req.socket.localAddress?.replace('::ffff:', '') || '0.0.0.0',
+        tlsVersion: req.socket.getTLSVersion?.() || undefined
+      });
+
+      // Try modern router first if available
+      let route: IRouteConfig | undefined;
+      if (this.routeRouter) {
+        route = this.routeRouter.routeReq(req);
+      }
+
+      // Define destination variables
+      let destination: { host: string; port: number };
+
+      // If we found a route with the modern router, use it
+      if (route && route.action.type === 'forward' && route.action.target) {
+        this.logger.debug(`Found matching WebSocket route: ${route.name || 'unnamed'}`);
+
+        // Check if WebSockets are enabled for this route
+        if (route.action.websocket?.enabled === false) {
+          this.logger.debug(`WebSockets are disabled for route: ${route.name || 'unnamed'}`);
+          wsIncoming.close(1003, 'WebSockets not supported for this route');
+          return;
+        }
+
+        // Check security restrictions if configured to authenticate WebSocket requests
+        if (route.action.websocket?.authenticateRequest !== false && route.security) {
+          if (!this.securityManager.isAllowed(route, toBaseContext(routeContext))) {
+            this.logger.warn(`WebSocket connection denied by security policy for ${routeContext.clientIp}`);
+            wsIncoming.close(1008, 'Access denied by security policy');
+            return;
+          }
+
+          // Check origin restrictions if configured
+          const origin = req.headers.origin;
+          if (origin && route.action.websocket?.allowedOrigins && route.action.websocket.allowedOrigins.length > 0) {
+            const isAllowed = route.action.websocket.allowedOrigins.some(allowedOrigin => {
+              // Handle wildcards and template variables
+              if (allowedOrigin.includes('*') || allowedOrigin.includes('{')) {
+                const pattern = allowedOrigin.replace(/\*/g, '.*');
+                const resolvedPattern = TemplateUtils.resolveTemplateVariables(pattern, routeContext);
+                const regex = new RegExp(`^${resolvedPattern}$`);
+                return regex.test(origin);
+              }
+              return allowedOrigin === origin;
+            });
+
+            if (!isAllowed) {
+              this.logger.warn(`WebSocket origin ${origin} not allowed for route: ${route.name || 'unnamed'}`);
+              wsIncoming.close(1008, 'Origin not allowed');
+              return;
+            }
+          }
+        }
+
+        // Extract target information, resolving functions if needed
+        let targetHost: string | string[];
+        let targetPort: number;
+
+        try {
+          // Resolve host if it's a function
+          if (typeof route.action.target.host === 'function') {
+            const resolvedHost = route.action.target.host(toBaseContext(routeContext));
+            targetHost = resolvedHost;
+            this.logger.debug(`Resolved function-based host for WebSocket: ${Array.isArray(resolvedHost) ? resolvedHost.join(', ') : resolvedHost}`);
+          } else {
+            targetHost = route.action.target.host;
+          }
+
+          // Resolve port if it's a function
+          if (typeof route.action.target.port === 'function') {
+            targetPort = route.action.target.port(toBaseContext(routeContext));
+            this.logger.debug(`Resolved function-based port for WebSocket: ${targetPort}`);
+          } else {
+            targetPort = route.action.target.port;
+          }
+
+          // Select a single host if an array was provided
+          const selectedHost = Array.isArray(targetHost)
+            ? targetHost[Math.floor(Math.random() * targetHost.length)]
+            : targetHost;
+
+          // Create a destination for the WebSocket connection
+          destination = {
+            host: selectedHost,
+            port: targetPort
+          };
+        } catch (err) {
+          this.logger.error(`Error evaluating function-based target for WebSocket: ${err}`);
+          wsIncoming.close(1011, 'Internal server error');
+          return;
+        }
+      } else {
+        // Fall back to legacy routing if no matching route found via modern router
+        const proxyConfig = this.legacyRouter.routeReq(req);
+
+        if (!proxyConfig) {
+          this.logger.warn(`No proxy configuration for WebSocket host: ${req.headers.host}`);
+          wsIncoming.close(1008, 'No proxy configuration for this host');
+          return;
+        }
+
+        // Get destination target using round-robin if multiple targets
+        destination = this.connectionPool.getNextTarget(
+          proxyConfig.destinationIps,
+          proxyConfig.destinationPorts[0]
+        );
       }
       
-      // Get destination target using round-robin if multiple targets
-      const destination = this.connectionPool.getNextTarget(
-        proxyConfig.destinationIps, 
-        proxyConfig.destinationPorts[0]
-      );
-      
-      // Build target URL
+      // Build target URL with potential path rewriting
       const protocol = (req.socket as any).encrypted ? 'wss' : 'ws';
-      const targetUrl = `${protocol}://${destination.host}:${destination.port}${req.url}`;
-      
+      let targetPath = req.url || '/';
+
+      // Apply path rewriting if configured
+      if (route?.action.websocket?.rewritePath) {
+        const originalPath = targetPath;
+        targetPath = TemplateUtils.resolveTemplateVariables(
+          route.action.websocket.rewritePath,
+          {...routeContext, path: targetPath}
+        );
+        this.logger.debug(`WebSocket path rewritten: ${originalPath} -> ${targetPath}`);
+      }
+
+      const targetUrl = `${protocol}://${destination.host}:${destination.port}${targetPath}`;
+
       this.logger.debug(`WebSocket connection from ${req.socket.remoteAddress} to ${targetUrl}`);
-      
+
       // Create headers for outgoing WebSocket connection
       const headers: { [key: string]: string } = {};
-      
+
       // Copy relevant headers from incoming request
       for (const [key, value] of Object.entries(req.headers)) {
-        if (value && typeof value === 'string' && 
-            key.toLowerCase() !== 'connection' && 
+        if (value && typeof value === 'string' &&
+            key.toLowerCase() !== 'connection' &&
             key.toLowerCase() !== 'upgrade' &&
             key.toLowerCase() !== 'sec-websocket-key' &&
             key.toLowerCase() !== 'sec-websocket-version') {
           headers[key] = value;
         }
       }
-      
-      // Override host header if needed
-      if ((proxyConfig as IReverseProxyConfig).rewriteHostHeader) {
-        headers['host'] = `${destination.host}:${destination.port}`;
+
+      // Always rewrite host header for WebSockets for consistency
+      headers['host'] = `${destination.host}:${destination.port}`;
+
+      // Add custom headers from route configuration
+      if (route?.action.websocket?.customHeaders) {
+        for (const [key, value] of Object.entries(route.action.websocket.customHeaders)) {
+          // Skip if header already exists and we're not overriding
+          if (headers[key.toLowerCase()] && !value.startsWith('!')) {
+            continue;
+          }
+
+          // Handle special delete directive (!delete)
+          if (value === '!delete') {
+            delete headers[key.toLowerCase()];
+            continue;
+          }
+
+          // Handle forced override (!value)
+          let finalValue: string;
+          if (value.startsWith('!') && value !== '!delete') {
+            // Keep the ! but resolve any templates in the rest
+            const templateValue = value.substring(1);
+            finalValue = '!' + TemplateUtils.resolveTemplateVariables(templateValue, routeContext);
+          } else {
+            // Resolve templates in the entire value
+            finalValue = TemplateUtils.resolveTemplateVariables(value, routeContext);
+          }
+
+          // Set the header
+          headers[key.toLowerCase()] = finalValue;
+        }
       }
       
-      // Create outgoing WebSocket connection
-      const wsOutgoing = new plugins.wsDefault(targetUrl, {
+      // Create WebSocket connection options
+      const wsOptions: any = {
         headers: headers,
         followRedirects: true
-      });
+      };
+
+      // Add subprotocols if configured
+      if (route?.action.websocket?.subprotocols && route.action.websocket.subprotocols.length > 0) {
+        wsOptions.protocols = route.action.websocket.subprotocols;
+      } else if (req.headers['sec-websocket-protocol']) {
+        // Pass through client requested protocols
+        wsOptions.protocols = req.headers['sec-websocket-protocol'].split(',').map(p => p.trim());
+      }
+
+      // Create outgoing WebSocket connection
+      const wsOutgoing = new plugins.wsDefault(targetUrl, wsOptions);
       
       // Handle connection errors
       wsOutgoing.on('error', (err) => {
@@ -147,35 +331,94 @@ export class WebSocketHandler {
       
       // Handle outgoing connection open
       wsOutgoing.on('open', () => {
+        // Set up custom ping interval if configured
+        let pingInterval: NodeJS.Timeout | null = null;
+        if (route?.action.websocket?.pingInterval && route.action.websocket.pingInterval > 0) {
+          pingInterval = setInterval(() => {
+            if (wsIncoming.readyState === wsIncoming.OPEN) {
+              wsIncoming.ping();
+              this.logger.debug(`Sent WebSocket ping to client for route: ${route.name || 'unnamed'}`);
+            }
+          }, route.action.websocket.pingInterval);
+
+          // Don't keep process alive just for pings
+          if (pingInterval.unref) pingInterval.unref();
+        }
+
+        // Set up custom ping timeout if configured
+        let pingTimeout: NodeJS.Timeout | null = null;
+        const pingTimeoutMs = route?.action.websocket?.pingTimeout || 60000; // Default 60s
+
+        // Define timeout function for cleaner code
+        const resetPingTimeout = () => {
+          if (pingTimeout) clearTimeout(pingTimeout);
+          pingTimeout = setTimeout(() => {
+            this.logger.debug(`WebSocket ping timeout for client connection on route: ${route?.name || 'unnamed'}`);
+            wsIncoming.terminate();
+          }, pingTimeoutMs);
+
+          // Don't keep process alive just for timeouts
+          if (pingTimeout.unref) pingTimeout.unref();
+        };
+
+        // Reset timeout on pong
+        wsIncoming.on('pong', () => {
+          wsIncoming.isAlive = true;
+          wsIncoming.lastPong = Date.now();
+          resetPingTimeout();
+        });
+
+        // Initial ping timeout
+        resetPingTimeout();
+
+        // Handle potential message size limits
+        const maxSize = route?.action.websocket?.maxPayloadSize || 0;
+
         // Forward incoming messages to outgoing connection
         wsIncoming.on('message', (data, isBinary) => {
           if (wsOutgoing.readyState === wsOutgoing.OPEN) {
+            // Check message size if limit is set
+            const messageSize = getMessageSize(data);
+            if (maxSize > 0 && messageSize > maxSize) {
+              this.logger.warn(`WebSocket message exceeds max size (${messageSize} > ${maxSize})`);
+              wsIncoming.close(1009, 'Message too big');
+              return;
+            }
+
             wsOutgoing.send(data, { binary: isBinary });
           }
         });
-        
+
         // Forward outgoing messages to incoming connection
         wsOutgoing.on('message', (data, isBinary) => {
           if (wsIncoming.readyState === wsIncoming.OPEN) {
             wsIncoming.send(data, { binary: isBinary });
           }
         });
-        
+
         // Handle closing of connections
         wsIncoming.on('close', (code, reason) => {
           this.logger.debug(`WebSocket client connection closed: ${code} ${reason}`);
           if (wsOutgoing.readyState === wsOutgoing.OPEN) {
             wsOutgoing.close(code, reason);
           }
+
+          // Clean up timers
+          if (pingInterval) clearInterval(pingInterval);
+          if (pingTimeout) clearTimeout(pingTimeout);
         });
-        
+
         wsOutgoing.on('close', (code, reason) => {
           this.logger.debug(`WebSocket target connection closed: ${code} ${reason}`);
           if (wsIncoming.readyState === wsIncoming.OPEN) {
             wsIncoming.close(code, reason);
           }
+
+          // Clean up timers
+          if (pingInterval) clearInterval(pingInterval);
+          if (pingTimeout) clearTimeout(pingTimeout);
         });
-        
+
         this.logger.debug(`WebSocket connection established: ${req.headers.host} -> ${destination.host}:${destination.port}`);
       });
       

ts/proxies/smart-proxy/domain-config-manager.ts.bak

@@ -1,441 +0,0 @@
-import * as plugins from '../../plugins.js';
-import type { IDomainConfig, ISmartProxyOptions } from './models/interfaces.js';
-import type { TForwardingType, IForwardConfig } from '../../forwarding/config/forwarding-types.js';
-import type { ForwardingHandler } from '../../forwarding/handlers/base-handler.js';
-import { ForwardingHandlerFactory } from '../../forwarding/factory/forwarding-factory.js';
-import type { IRouteConfig } from './models/route-types.js';
-import { RouteManager } from './route-manager.js';
-
-/**
- * Manages domain configurations and target selection
- */
-export class DomainConfigManager {
-  // Track round-robin indices for domain configs
-  private domainTargetIndices: Map<IDomainConfig, number> = new Map();
-
-  // Cache forwarding handlers for each domain config
-  private forwardingHandlers: Map<IDomainConfig, ForwardingHandler> = new Map();
-
-  // Store derived domain configs from routes
-  private derivedDomainConfigs: IDomainConfig[] = [];
-
-  // Reference to RouteManager for route-based configuration
-  private routeManager?: RouteManager;
-
-  constructor(private settings: ISmartProxyOptions) {
-    // Initialize with derived domain configs if using route-based configuration
-    if (settings.routes && !settings.domainConfigs) {
-      this.generateDomainConfigsFromRoutes();
-    }
-  }
-
-  /**
-   * Set the route manager reference for route-based queries
-   */
-  public setRouteManager(routeManager: RouteManager): void {
-    this.routeManager = routeManager;
-
-    // Regenerate domain configs from routes if needed
-    if (this.settings.routes && (!this.settings.domainConfigs || this.settings.domainConfigs.length === 0)) {
-      this.generateDomainConfigsFromRoutes();
-    }
-  }
-
-  /**
-   * Generate domain configs from routes
-   */
-  public generateDomainConfigsFromRoutes(): void {
-    this.derivedDomainConfigs = [];
-
-    if (!this.settings.routes) return;
-
-    for (const route of this.settings.routes) {
-      if (route.action.type !== 'forward' || !route.match.domains) continue;
-
-      // Convert route to domain config
-      const domainConfig = this.routeToDomainConfig(route);
-      if (domainConfig) {
-        this.derivedDomainConfigs.push(domainConfig);
-      }
-    }
-  }
-
-  /**
-   * Convert a route to a domain config
-   */
-  private routeToDomainConfig(route: IRouteConfig): IDomainConfig | null {
-    if (route.action.type !== 'forward' || !route.action.target) return null;
-
-    // Get domains from route
-    const domains = Array.isArray(route.match.domains) ?
-      route.match.domains :
-      (route.match.domains ? [route.match.domains] : []);
-
-    if (domains.length === 0) return null;
-
-    // Determine forwarding type based on TLS mode
-    let forwardingType: TForwardingType = 'http-only';
-    if (route.action.tls) {
-      switch (route.action.tls.mode) {
-        case 'passthrough':
-          forwardingType = 'https-passthrough';
-          break;
-        case 'terminate':
-          forwardingType = 'https-terminate-to-http';
-          break;
-        case 'terminate-and-reencrypt':
-          forwardingType = 'https-terminate-to-https';
-          break;
-      }
-    }
-
-    // Create domain config
-    return {
-      domains,
-      forwarding: {
-        type: forwardingType,
-        target: {
-          host: route.action.target.host,
-          port: route.action.target.port
-        },
-        security: route.action.security ? {
-          allowedIps: route.action.security.allowedIps,
-          blockedIps: route.action.security.blockedIps,
-          maxConnections: route.action.security.maxConnections
-        } : undefined,
-        https: route.action.tls && route.action.tls.certificate !== 'auto' ? {
-          customCert: route.action.tls.certificate
-        } : undefined,
-        advanced: route.action.advanced
-      }
-    };
-  }
-
-  /**
-   * Updates the domain configurations
-   */
-  public updateDomainConfigs(newDomainConfigs: IDomainConfig[]): void {
-    // If we're using domainConfigs property, update it
-    if (this.settings.domainConfigs) {
-      this.settings.domainConfigs = newDomainConfigs;
-    } else {
-      // Otherwise update our derived configs
-      this.derivedDomainConfigs = newDomainConfigs;
-    }
-
-    // Reset target indices for removed configs
-    const currentConfigSet = new Set(newDomainConfigs);
-    for (const [config] of this.domainTargetIndices) {
-      if (!currentConfigSet.has(config)) {
-        this.domainTargetIndices.delete(config);
-      }
-    }
-
-    // Clear handlers for removed configs and create handlers for new configs
-    const handlersToRemove: IDomainConfig[] = [];
-    for (const [config] of this.forwardingHandlers) {
-      if (!currentConfigSet.has(config)) {
-        handlersToRemove.push(config);
-      }
-    }
-
-    // Remove handlers that are no longer needed
-    for (const config of handlersToRemove) {
-      this.forwardingHandlers.delete(config);
-    }
-
-    // Create handlers for new configs
-    for (const config of newDomainConfigs) {
-      if (!this.forwardingHandlers.has(config)) {
-        try {
-          const handler = this.createForwardingHandler(config);
-          this.forwardingHandlers.set(config, handler);
-        } catch (err) {
-          console.log(`Error creating forwarding handler for domain ${config.domains.join(', ')}: ${err}`);
-        }
-      }
-    }
-  }
-
-  /**
-   * Get all domain configurations
-   */
-  public getDomainConfigs(): IDomainConfig[] {
-    // Use domainConfigs from settings if available, otherwise use derived configs
-    return this.settings.domainConfigs || this.derivedDomainConfigs;
-  }
-
-  /**
-   * Find domain config matching a server name
-   */
-  public findDomainConfig(serverName: string): IDomainConfig | undefined {
-    if (!serverName) return undefined;
-
-    // Get domain configs from the appropriate source
-    const domainConfigs = this.getDomainConfigs();
-
-    // Check for direct match
-    for (const config of domainConfigs) {
-      if (config.domains.some(d => plugins.minimatch(serverName, d))) {
-        return config;
-      }
-    }
-
-    // No match found
-    return undefined;
-  }
-
-  /**
-   * Find domain config for a specific port
-   */
-  public findDomainConfigForPort(port: number): IDomainConfig | undefined {
-    // Get domain configs from the appropriate source
-    const domainConfigs = this.getDomainConfigs();
-
-    // Check if any domain config has a matching port range
-    for (const domain of domainConfigs) {
-      const portRanges = domain.forwarding?.advanced?.portRanges;
-      if (portRanges && portRanges.length > 0 && this.isPortInRanges(port, portRanges)) {
-        return domain;
-      }
-    }
-
-    // If we're in route-based mode, also check routes for this port
-    if (this.settings.routes && (!this.settings.domainConfigs || this.settings.domainConfigs.length === 0)) {
-      const routesForPort = this.settings.routes.filter(route => {
-        // Check if this port is in the route's ports
-        if (typeof route.match.ports === 'number') {
-          return route.match.ports === port;
-        } else if (Array.isArray(route.match.ports)) {
-          return route.match.ports.some(p => {
-            if (typeof p === 'number') {
-              return p === port;
-            } else if (p.from && p.to) {
-              return port >= p.from && port <= p.to;
-            }
-            return false;
-          });
-        }
-        return false;
-      });
-
-      // If we found any routes for this port, convert the first one to a domain config
-      if (routesForPort.length > 0 && routesForPort[0].action.type === 'forward') {
-        const domainConfig = this.routeToDomainConfig(routesForPort[0]);
-        if (domainConfig) {
-          return domainConfig;
-        }
-      }
-    }
-
-    return undefined;
-  }
-  
-  /**
-   * Check if a port is within any of the given ranges
-   */
-  public isPortInRanges(port: number, ranges: Array<{ from: number; to: number }>): boolean {
-    return ranges.some((range) => port >= range.from && port <= range.to);
-  }
-  
-  /**
-   * Get target IP with round-robin support
-   */
-  public getTargetIP(domainConfig: IDomainConfig): string {
-    const targetHosts = Array.isArray(domainConfig.forwarding.target.host)
-      ? domainConfig.forwarding.target.host
-      : [domainConfig.forwarding.target.host];
-
-    if (targetHosts.length > 0) {
-      const currentIndex = this.domainTargetIndices.get(domainConfig) || 0;
-      const ip = targetHosts[currentIndex % targetHosts.length];
-      this.domainTargetIndices.set(domainConfig, currentIndex + 1);
-      return ip;
-    }
-
-    return this.settings.targetIP || 'localhost';
-  }
-
-  /**
-   * Get target host with round-robin support (for tests)
-   * This is just an alias for getTargetIP for easier test compatibility
-   */
-  public getTargetHost(domainConfig: IDomainConfig): string {
-    return this.getTargetIP(domainConfig);
-  }
-
-  /**
-   * Get target port from domain config
-   */
-  public getTargetPort(domainConfig: IDomainConfig, defaultPort: number): number {
-    return domainConfig.forwarding.target.port || defaultPort;
-  }
-
-  /**
-   * Checks if a domain should use NetworkProxy
-   */
-  public shouldUseNetworkProxy(domainConfig: IDomainConfig): boolean {
-    const forwardingType = this.getForwardingType(domainConfig);
-    return forwardingType === 'https-terminate-to-http' ||
-           forwardingType === 'https-terminate-to-https';
-  }
-
-  /**
-   * Gets the NetworkProxy port for a domain
-   */
-  public getNetworkProxyPort(domainConfig: IDomainConfig): number | undefined {
-    // First check if we should use NetworkProxy at all
-    if (!this.shouldUseNetworkProxy(domainConfig)) {
-      return undefined;
-    }
-
-    return domainConfig.forwarding.advanced?.networkProxyPort || this.settings.networkProxyPort;
-  }
-
-  /**
-   * Get effective allowed and blocked IPs for a domain
-   *
-   * This method combines domain-specific security rules from the forwarding configuration
-   * with global security defaults when necessary.
-   */
-  public getEffectiveIPRules(domainConfig: IDomainConfig): {
-    allowedIPs: string[],
-    blockedIPs: string[]
-  } {
-    // Start with empty arrays
-    const allowedIPs: string[] = [];
-    const blockedIPs: string[] = [];
-
-    // Add IPs from forwarding security settings if available
-    if (domainConfig.forwarding?.security?.allowedIps) {
-      allowedIPs.push(...domainConfig.forwarding.security.allowedIps);
-    } else {
-      // If no allowed IPs are specified in forwarding config and global defaults exist, use them
-      if (this.settings.defaultAllowedIPs && this.settings.defaultAllowedIPs.length > 0) {
-        allowedIPs.push(...this.settings.defaultAllowedIPs);
-      } else {
-        // Default to allow all if no specific rules
-        allowedIPs.push('*');
-      }
-    }
-
-    // Add blocked IPs from forwarding security settings if available
-    if (domainConfig.forwarding?.security?.blockedIps) {
-      blockedIPs.push(...domainConfig.forwarding.security.blockedIps);
-    }
-
-    // Always add global blocked IPs, even if domain has its own rules
-    // This ensures that global blocks take precedence
-    if (this.settings.defaultBlockedIPs && this.settings.defaultBlockedIPs.length > 0) {
-      // Add only unique IPs that aren't already in the list
-      for (const ip of this.settings.defaultBlockedIPs) {
-        if (!blockedIPs.includes(ip)) {
-          blockedIPs.push(ip);
-        }
-      }
-    }
-
-    return {
-      allowedIPs,
-      blockedIPs
-    };
-  }
-  
-  /**
-   * Get connection timeout for a domain
-   */
-  public getConnectionTimeout(domainConfig?: IDomainConfig): number {
-    if (domainConfig?.forwarding.advanced?.timeout) {
-      return domainConfig.forwarding.advanced.timeout;
-    }
-
-    return this.settings.maxConnectionLifetime || 86400000; // 24 hours default
-  }
-
-  /**
-   * Creates a forwarding handler for a domain configuration
-   */
-  private createForwardingHandler(domainConfig: IDomainConfig): ForwardingHandler {
-    // Create a new handler using the factory
-    const handler = ForwardingHandlerFactory.createHandler(domainConfig.forwarding);
-
-    // Initialize the handler
-    handler.initialize().catch(err => {
-      console.log(`Error initializing forwarding handler for ${domainConfig.domains.join(', ')}: ${err}`);
-    });
-
-    return handler;
-  }
-
-  /**
-   * Gets a forwarding handler for a domain config
-   * If no handler exists, creates one
-   */
-  public getForwardingHandler(domainConfig: IDomainConfig): ForwardingHandler {
-    // If we already have a handler, return it
-    if (this.forwardingHandlers.has(domainConfig)) {
-      return this.forwardingHandlers.get(domainConfig)!;
-    }
-
-    // Otherwise create a new handler
-    const handler = this.createForwardingHandler(domainConfig);
-    this.forwardingHandlers.set(domainConfig, handler);
-
-    return handler;
-  }
-
-  /**
-   * Gets the forwarding type for a domain config
-   */
-  public getForwardingType(domainConfig?: IDomainConfig): TForwardingType | undefined {
-    if (!domainConfig?.forwarding) return undefined;
-    return domainConfig.forwarding.type;
-  }
-
-  /**
-   * Checks if the forwarding type requires TLS termination
-   */
-  public requiresTlsTermination(domainConfig?: IDomainConfig): boolean {
-    if (!domainConfig) return false;
-
-    const forwardingType = this.getForwardingType(domainConfig);
-    return forwardingType === 'https-terminate-to-http' ||
-           forwardingType === 'https-terminate-to-https';
-  }
-
-  /**
-   * Checks if the forwarding type supports HTTP
-   */
-  public supportsHttp(domainConfig?: IDomainConfig): boolean {
-    if (!domainConfig) return false;
-
-    const forwardingType = this.getForwardingType(domainConfig);
-
-    // HTTP-only always supports HTTP
-    if (forwardingType === 'http-only') return true;
-
-    // For termination types, check the HTTP settings
-    if (forwardingType === 'https-terminate-to-http' ||
-        forwardingType === 'https-terminate-to-https') {
-      // HTTP is supported by default for termination types
-      return domainConfig.forwarding?.http?.enabled !== false;
-    }
-
-    // HTTPS-passthrough doesn't support HTTP
-    return false;
-  }
-
-  /**
-   * Checks if HTTP requests should be redirected to HTTPS
-   */
-  public shouldRedirectToHttps(domainConfig?: IDomainConfig): boolean {
-    if (!domainConfig?.forwarding) return false;
-
-    // Only check for redirect if HTTP is enabled
-    if (this.supportsHttp(domainConfig)) {
-      return !!domainConfig.forwarding.http?.redirectToHttps;
-    }
-
-    return false;
-  }
-}

ts/proxies/smart-proxy/index.ts

@@ -20,15 +20,5 @@ export { NetworkProxyBridge } from './network-proxy-bridge.js';
 export { RouteManager } from './route-manager.js';
 export { RouteConnectionHandler } from './route-connection-handler.js';
 
-// Export route helpers for configuration
-export {
-  createRoute,
-  createHttpRoute,
-  createHttpsRoute,
-  createPassthroughRoute,
-  createRedirectRoute,
-  createHttpToHttpsRedirect,
-  createBlockRoute,
-  createLoadBalancerRoute,
-  createHttpsServer
-} from './route-helpers.js';
+// Export all helper functions from the utils directory
+export * from './utils/index.js';

ts/proxies/smart-proxy/models/interfaces.ts

@@ -33,10 +33,8 @@ export interface ISmartProxyOptions {
   // The unified configuration array (required)
   routes: IRouteConfig[];
 
-  // Port range configuration
-  globalPortRanges?: Array<{ from: number; to: number }>;
-  forwardAllGlobalRanges?: boolean;
-  preserveSourceIP?: boolean;
+  // Port configuration
+  preserveSourceIP?: boolean;  // Preserve client IP when forwarding
 
   // Global/default settings
   defaults?: {
@@ -140,6 +138,11 @@ export interface IConnectionRecord {
   hasReceivedInitialData: boolean; // Whether initial data has been received
   routeConfig?: IRouteConfig; // Associated route config for this connection
 
+  // Target information (for dynamic port/host mapping)
+  targetHost?: string; // Resolved target host
+  targetPort?: number; // Resolved target port
+  tlsVersion?: string; // TLS version (for routing context)
+
   // Keep-alive tracking
   hasKeepAlive: boolean; // Whether keep-alive is enabled for this connection
   inactivityWarningIssued?: boolean; // Whether an inactivity warning has been issued

ts/proxies/smart-proxy/models/route-types.ts

@@ -34,13 +34,43 @@ export interface IRouteMatch {
   headers?: Record<string, string | RegExp>; // Match specific HTTP headers
 }
 
+/**
+ * Context provided to port and host mapping functions
+ */
+export interface IRouteContext {
+  // Connection information
+  port: number;          // The matched incoming port
+  domain?: string;       // The domain from SNI or Host header
+  clientIp: string;      // The client's IP address
+  serverIp: string;      // The server's IP address
+  path?: string;         // URL path (for HTTP connections)
+  query?: string;        // Query string (for HTTP connections)
+  headers?: Record<string, string>; // HTTP headers (for HTTP connections)
+
+  // TLS information
+  isTls: boolean;        // Whether the connection is TLS
+  tlsVersion?: string;   // TLS version if applicable
+
+  // Route information
+  routeName?: string;    // The name of the matched route
+  routeId?: string;      // The ID of the matched route
+
+  // Target information (resolved from dynamic mapping)
+  targetHost?: string;   // The resolved target host
+  targetPort?: number;   // The resolved target port
+
+  // Additional properties
+  timestamp: number;     // The request timestamp
+  connectionId: string;  // Unique connection identifier
+}
+
 /**
  * Target configuration for forwarding
  */
 export interface IRouteTarget {
-  host: string | string[];  // Support single host or round-robin
-  port: number;
-  preservePort?: boolean;   // Use incoming port as target port
+  host: string | string[] | ((context: any) => string | string[]);  // Support static or dynamic host selection with any compatible context
+  port: number | ((context: any) => number);  // Support static or dynamic port mapping with any compatible context
+  preservePort?: boolean;   // Use incoming port as target port (ignored if port is a function)
 }
 
 /**
@@ -115,6 +145,16 @@ export interface IRouteTestResponse {
   body: string;
 }
 
+/**
+ * URL rewriting configuration
+ */
+export interface IRouteUrlRewrite {
+  pattern: string;            // RegExp pattern to match in URL
+  target: string;             // Replacement pattern (supports template variables like {domain})
+  flags?: string;             // RegExp flags like 'g' for global replacement
+  onlyRewritePath?: boolean;  // Only apply to path, not query string
+}
+
 /**
  * Advanced options for route actions
  */
@@ -124,6 +164,7 @@ export interface IRouteAdvanced {
   keepAlive?: boolean;
   staticFiles?: IRouteStaticFiles;
   testResponse?: IRouteTestResponse;
+  urlRewrite?: IRouteUrlRewrite; // URL rewriting configuration
   // Additional advanced options would go here
 }
 
@@ -131,10 +172,15 @@ export interface IRouteAdvanced {
  * WebSocket configuration
  */
 export interface IRouteWebSocket {
-  enabled: boolean;
-  pingInterval?: number;
-  pingTimeout?: number;
-  maxPayloadSize?: number;
+  enabled: boolean;                   // Whether WebSockets are enabled for this route
+  pingInterval?: number;              // Interval for sending ping frames (ms)
+  pingTimeout?: number;               // Timeout for pong response (ms)
+  maxPayloadSize?: number;            // Maximum message size in bytes
+  customHeaders?: Record<string, string>; // Custom headers for WebSocket handshake
+  subprotocols?: string[];            // Supported subprotocols
+  rewritePath?: string;               // Path rewriting for WebSocket connections
+  allowedOrigins?: string[];          // Allowed origins for WebSocket connections
+  authenticateRequest?: boolean;      // Whether to apply route security to WebSocket connections
 }
 
 /**
@@ -181,6 +227,12 @@ export interface IRouteAction {
 
   // Advanced options
   advanced?: IRouteAdvanced;
+  
+  // Additional options for backend-specific settings
+  options?: {
+    backendProtocol?: 'http1' | 'http2';
+    [key: string]: any;
+  };
 }
 
 /**
@@ -219,12 +271,27 @@ export interface IRouteSecurity {
   ipBlockList?: string[];
 }
 
+/**
+ * CORS configuration for a route
+ */
+export interface IRouteCors {
+  enabled: boolean;                     // Whether CORS is enabled for this route
+  allowOrigin?: string | string[];      // Allowed origins (*,domain.com,[domain1,domain2])
+  allowMethods?: string;                // Allowed methods (GET,POST,etc.)
+  allowHeaders?: string;                // Allowed headers
+  allowCredentials?: boolean;           // Whether to allow credentials
+  exposeHeaders?: string;               // Headers to expose to the client
+  maxAge?: number;                      // Preflight cache duration in seconds
+  preflight?: boolean;                  // Whether to respond to preflight requests
+}
+
 /**
  * Headers configuration
  */
 export interface IRouteHeaders {
-  request?: Record<string, string>;
-  response?: Record<string, string>;
+  request?: Record<string, string>;     // Headers to add/modify for requests to backend
+  response?: Record<string, string>;    // Headers to add/modify for responses to client
+  cors?: IRouteCors;                    // CORS configuration
 }
 
 /**

ts/proxies/smart-proxy/network-proxy-bridge.ts

@@ -1,7 +1,6 @@
 import * as plugins from '../../plugins.js';
 import { NetworkProxy } from '../network-proxy/index.js';
 import { Port80Handler } from '../../http/port80/port80-handler.js';
-import { Port80HandlerEvents } from '../../core/models/common-types.js';
 import { subscribeToPort80Handler } from '../../core/utils/event-utils.js';
 import type { ICertificateData } from '../../certificate/models/certificate-types.js';
 import type { IConnectionRecord, ISmartProxyOptions } from './models/interfaces.js';
@@ -11,8 +10,8 @@ import type { IRouteConfig } from './models/route-types.js';
  * Manages NetworkProxy integration for TLS termination
  *
  * NetworkProxyBridge connects SmartProxy with NetworkProxy to handle TLS termination.
- * It directly maps route configurations to NetworkProxy configuration format and manages
- * certificate provisioning through Port80Handler when ACME is enabled.
+ * It directly passes route configurations to NetworkProxy and manages the physical
+ * connection piping between SmartProxy and NetworkProxy for TLS termination.
  *
  * It is used by SmartProxy for routes that have:
  * - TLS mode of 'terminate' or 'terminate-and-reencrypt'
@@ -49,7 +48,7 @@ export class NetworkProxyBridge {
    */
   public async initialize(): Promise<void> {
     if (!this.networkProxy && this.settings.useNetworkProxy && this.settings.useNetworkProxy.length > 0) {
-      // Configure NetworkProxy options based on PortProxy settings
+      // Configure NetworkProxy options based on SmartProxy settings
       const networkProxyOptions: any = {
         port: this.settings.networkProxyPort!,
         portProxyIntegration: true,
@@ -57,7 +56,6 @@ export class NetworkProxyBridge {
         useExternalPort80Handler: !!this.port80Handler // Use Port80Handler if available
       };
 
-
       this.networkProxy = new NetworkProxy(networkProxyOptions);
 
       console.log(`Initialized NetworkProxy on port ${this.settings.networkProxyPort}`);
@@ -80,29 +78,8 @@ export class NetworkProxyBridge {
 
     console.log(`Received certificate for ${data.domain} from Port80Handler, updating NetworkProxy`);
 
-    try {
-      // Find existing config for this domain
-      const existingConfigs = this.networkProxy.getProxyConfigs()
-        .filter(config => config.hostName === data.domain);
-
-      if (existingConfigs.length > 0) {
-        // Update existing configs with new certificate
-        for (const config of existingConfigs) {
-          config.privateKey = data.privateKey;
-          config.publicKey = data.certificate;
-        }
-
-        // Apply updated configs
-        this.networkProxy.updateProxyConfigs(existingConfigs)
-          .then(() => console.log(`Updated certificate for ${data.domain} in NetworkProxy`))
-          .catch(err => console.log(`Error updating certificate in NetworkProxy: ${err}`));
-      } else {
-        // Create a new config for this domain
-        console.log(`No existing config found for ${data.domain}, creating new config in NetworkProxy`);
-      }
-    } catch (err) {
-      console.log(`Error handling certificate event: ${err}`);
-    }
+    // Apply certificate directly to NetworkProxy
+    this.networkProxy.updateCertificate(data.domain, data.certificate, data.privateKey);
   }
 
   /**
@@ -113,7 +90,9 @@ export class NetworkProxyBridge {
       console.log(`NetworkProxy not initialized: cannot apply external certificate for ${data.domain}`);
       return;
     }
-    this.handleCertificateEvent(data);
+    
+    // Apply certificate directly to NetworkProxy
+    this.networkProxy.updateCertificate(data.domain, data.certificate, data.privateKey);
   }
   
   /**
@@ -155,92 +134,6 @@ export class NetworkProxyBridge {
     }
   }
   
-  /**
-   * Register domains from routes with Port80Handler for certificate management
-   *
-   * Extracts domains from routes that require TLS termination and registers them
-   * with the Port80Handler for certificate issuance and renewal.
-   *
-   * @param routes The route configurations to extract domains from
-   */
-  public registerDomainsWithPort80Handler(routes: IRouteConfig[]): void {
-    if (!this.port80Handler) {
-      console.log('Cannot register domains - Port80Handler not initialized');
-      return;
-    }
-
-    // Extract domains from routes that require TLS termination
-    const domainsToRegister = new Set<string>();
-
-    for (const route of routes) {
-      // Skip routes without domains or TLS configuration
-      if (!route.match.domains || !route.action.tls) continue;
-
-      // Only register domains for routes that terminate TLS
-      if (route.action.tls.mode !== 'terminate' && route.action.tls.mode !== 'terminate-and-reencrypt') continue;
-
-      // Extract domains from route
-      const domains = Array.isArray(route.match.domains)
-        ? route.match.domains
-        : [route.match.domains];
-
-      // Add each domain to the set (avoiding duplicates)
-      for (const domain of domains) {
-        // Skip wildcards
-        if (domain.includes('*')) {
-          console.log(`Skipping wildcard domain for ACME: ${domain}`);
-          continue;
-        }
-
-        domainsToRegister.add(domain);
-      }
-    }
-
-    // Register each unique domain with Port80Handler
-    for (const domain of domainsToRegister) {
-      try {
-        this.port80Handler.addDomain({
-          domainName: domain,
-          sslRedirect: true,
-          acmeMaintenance: true,
-          // Include route reference if we can find it
-          routeReference: this.findRouteReferenceForDomain(domain, routes)
-        });
-
-        console.log(`Registered domain with Port80Handler: ${domain}`);
-      } catch (err) {
-        console.log(`Error registering domain ${domain} with Port80Handler: ${err}`);
-      }
-    }
-  }
-
-  /**
-   * Finds the route reference for a given domain
-   *
-   * @param domain The domain to find a route reference for
-   * @param routes The routes to search
-   * @returns The route reference if found, undefined otherwise
-   */
-  private findRouteReferenceForDomain(domain: string, routes: IRouteConfig[]): { routeId?: string; routeName?: string } | undefined {
-    // Find the first route that matches this domain
-    for (const route of routes) {
-      if (!route.match.domains) continue;
-
-      const domains = Array.isArray(route.match.domains)
-        ? route.match.domains
-        : [route.match.domains];
-
-      if (domains.includes(domain)) {
-        return {
-          routeId: undefined, // No explicit IDs in our current routes
-          routeName: route.name
-        };
-      }
-    }
-
-    return undefined;
-  }
-  
   /**
    * Forwards a TLS connection to a NetworkProxy for handling
    */
@@ -305,7 +198,6 @@ export class NetworkProxyBridge {
       socket.pipe(proxySocket);
       proxySocket.pipe(socket);
 
-      // Update activity on data transfer (caller should handle this)
       if (this.settings.enableDetailedLogging) {
         console.log(`[${connectionId}] TLS connection successfully forwarded to NetworkProxy`);
       }
@@ -315,13 +207,8 @@ export class NetworkProxyBridge {
   /**
    * Synchronizes routes to NetworkProxy
    *
-   * This method directly maps route configurations to NetworkProxy format and updates
-   * the NetworkProxy with these configurations. It handles:
-   *
-   * - Extracting domain, target, and certificate information from routes
-   * - Converting TLS mode settings to NetworkProxy configuration
-   * - Applying security and advanced settings
-   * - Registering domains for ACME certificate provisioning when needed
+   * This method directly passes route configurations to NetworkProxy without any
+   * intermediate conversion. NetworkProxy natively understands route configurations.
    *
    * @param routes The route configurations to sync to NetworkProxy
    */
@@ -332,140 +219,22 @@ export class NetworkProxyBridge {
     }
 
     try {
-      // Get SSL certificates from assets
-      // Import fs directly since it's not in plugins
-      const fs = await import('fs');
-
-      let defaultCertPair;
-      try {
-        defaultCertPair = {
-          key: fs.readFileSync('assets/certs/key.pem', 'utf8'),
-          cert: fs.readFileSync('assets/certs/cert.pem', 'utf8'),
-        };
-      } catch (certError) {
-        console.log(`Warning: Could not read default certificates: ${certError}`);
-        console.log(
-          'Using empty certificate placeholders - ACME will generate proper certificates if enabled'
+      // Filter only routes that are applicable to NetworkProxy (TLS termination)
+      const networkProxyRoutes = routes.filter(route => {
+        return (
+          route.action.type === 'forward' &&
+          route.action.tls &&
+          (route.action.tls.mode === 'terminate' || route.action.tls.mode === 'terminate-and-reencrypt')
         );
+      });
 
-        // Use empty placeholders - NetworkProxy will use its internal defaults
-        // or ACME will generate proper ones if enabled
-        defaultCertPair = {
-          key: '',
-          cert: '',
-        };
-      }
-
-      // Map routes directly to NetworkProxy configs
-      const proxyConfigs = this.mapRoutesToNetworkProxyConfigs(routes, defaultCertPair);
-
-      // Update the proxy configs
-      await this.networkProxy.updateProxyConfigs(proxyConfigs);
-      console.log(`Synced ${proxyConfigs.length} configurations to NetworkProxy`);
-
-      // Register domains with Port80Handler for certificate issuance
-      if (this.port80Handler) {
-        this.registerDomainsWithPort80Handler(routes);
-      }
+      // Pass routes directly to NetworkProxy
+      await this.networkProxy.updateRouteConfigs(networkProxyRoutes);
+      console.log(`Synced ${networkProxyRoutes.length} routes directly to NetworkProxy`);
     } catch (err) {
       console.log(`Error syncing routes to NetworkProxy: ${err}`);
     }
   }
-
-  /**
-   * Map routes directly to NetworkProxy configuration format
-   *
-   * This method directly maps route configurations to NetworkProxy's format
-   * without any intermediate domain-based representation. It processes each route
-   * and creates appropriate NetworkProxy configs for domains that require TLS termination.
-   *
-   * @param routes Array of route configurations to map
-   * @param defaultCertPair Default certificate to use if no custom certificate is specified
-   * @returns Array of NetworkProxy configurations
-   */
-  public mapRoutesToNetworkProxyConfigs(
-    routes: IRouteConfig[],
-    defaultCertPair: { key: string; cert: string }
-  ): plugins.tsclass.network.IReverseProxyConfig[] {
-    const configs: plugins.tsclass.network.IReverseProxyConfig[] = [];
-
-    for (const route of routes) {
-      // Skip routes without domains
-      if (!route.match.domains) continue;
-
-      // Skip non-forward routes
-      if (route.action.type !== 'forward') continue;
-
-      // Skip routes without TLS configuration
-      if (!route.action.tls || !route.action.target) continue;
-
-      // Skip routes that don't require TLS termination
-      if (route.action.tls.mode !== 'terminate' && route.action.tls.mode !== 'terminate-and-reencrypt') continue;
-
-      // Get domains from route
-      const domains = Array.isArray(route.match.domains)
-        ? route.match.domains
-        : [route.match.domains];
-
-      // Create a config for each domain
-      for (const domain of domains) {
-        // Get certificate
-        let certKey = defaultCertPair.key;
-        let certCert = defaultCertPair.cert;
-
-        // Use custom certificate if specified
-        if (route.action.tls.certificate !== 'auto' && typeof route.action.tls.certificate === 'object') {
-          certKey = route.action.tls.certificate.key;
-          certCert = route.action.tls.certificate.cert;
-        }
-
-        // Determine target hosts and ports
-        const targetHosts = Array.isArray(route.action.target.host)
-          ? route.action.target.host
-          : [route.action.target.host];
-
-        const targetPort = route.action.target.port;
-
-        // Create the NetworkProxy config
-        const config: plugins.tsclass.network.IReverseProxyConfig = {
-          hostName: domain,
-          privateKey: certKey,
-          publicKey: certCert,
-          destinationIps: targetHosts,
-          destinationPorts: [targetPort]
-          // Note: We can't include additional metadata as it's not supported in the interface
-        };
-
-        configs.push(config);
-      }
-    }
-
-    return configs;
-  }
-
-  /**
-   * @deprecated This method is kept for backward compatibility.
-   * Use mapRoutesToNetworkProxyConfigs() instead.
-   */
-  public convertRoutesToNetworkProxyConfigs(
-    routes: IRouteConfig[],
-    defaultCertPair: { key: string; cert: string }
-  ): plugins.tsclass.network.IReverseProxyConfig[] {
-    return this.mapRoutesToNetworkProxyConfigs(routes, defaultCertPair);
-  }
-
-  /**
-   * @deprecated This method is deprecated and will be removed in a future version.
-   * Use syncRoutesToNetworkProxy() instead.
-   *
-   * This legacy method exists only for backward compatibility and
-   * simply forwards to syncRoutesToNetworkProxy().
-   */
-  public async syncDomainConfigsToNetworkProxy(): Promise<void> {
-    console.log('DEPRECATED: Method syncDomainConfigsToNetworkProxy will be removed in a future version.');
-    console.log('Please use syncRoutesToNetworkProxy() instead for direct route-based configuration.');
-    await this.syncRoutesToNetworkProxy(this.settings.routes || []);
-  }
   
   /**
    * Request a certificate for a specific domain
@@ -496,12 +265,6 @@ export class NetworkProxyBridge {
           domainOptions.routeReference = {
             routeName
           };
-        } else {
-          // Try to find a route reference from the current routes
-          const routeReference = this.findRouteReferenceForDomain(domain, this.settings.routes || []);
-          if (routeReference) {
-            domainOptions.routeReference = routeReference;
-          }
         }
 
         // Register the domain for certificate issuance

ts/proxies/smart-proxy/port-manager.ts

@@ -0,0 +1,195 @@
+import * as plugins from '../../plugins.js';
+import type { ISmartProxyOptions } from './models/interfaces.js';
+import { RouteConnectionHandler } from './route-connection-handler.js';
+
+/**
+ * PortManager handles the dynamic creation and removal of port listeners
+ * 
+ * This class provides methods to add and remove listening ports at runtime,
+ * allowing SmartProxy to adapt to configuration changes without requiring
+ * a full restart.
+ */
+export class PortManager {
+  private servers: Map<number, plugins.net.Server> = new Map();
+  private settings: ISmartProxyOptions;
+  private routeConnectionHandler: RouteConnectionHandler;
+  private isShuttingDown: boolean = false;
+
+  /**
+   * Create a new PortManager
+   * 
+   * @param settings The SmartProxy settings
+   * @param routeConnectionHandler The handler for new connections
+   */
+  constructor(
+    settings: ISmartProxyOptions,
+    routeConnectionHandler: RouteConnectionHandler
+  ) {
+    this.settings = settings;
+    this.routeConnectionHandler = routeConnectionHandler;
+  }
+
+  /**
+   * Start listening on a specific port
+   * 
+   * @param port The port number to listen on
+   * @returns Promise that resolves when the server is listening or rejects on error
+   */
+  public async addPort(port: number): Promise<void> {
+    // Check if we're already listening on this port
+    if (this.servers.has(port)) {
+      console.log(`PortManager: Already listening on port ${port}`);
+      return;
+    }
+
+    // Create a server for this port
+    const server = plugins.net.createServer((socket) => {
+      // Check if shutting down
+      if (this.isShuttingDown) {
+        socket.end();
+        socket.destroy();
+        return;
+      }
+      
+      // Delegate to route connection handler
+      this.routeConnectionHandler.handleConnection(socket);
+    }).on('error', (err: Error) => {
+      console.log(`Server Error on port ${port}: ${err.message}`);
+    });
+    
+    // Start listening on the port
+    return new Promise<void>((resolve, reject) => {
+      server.listen(port, () => {
+        const isNetworkProxyPort = this.settings.useNetworkProxy?.includes(port);
+        console.log(
+          `SmartProxy -> OK: Now listening on port ${port}${
+            isNetworkProxyPort ? ' (NetworkProxy forwarding enabled)' : ''
+          }`
+        );
+        
+        // Store the server reference
+        this.servers.set(port, server);
+        resolve();
+      }).on('error', (err) => {
+        console.log(`Failed to listen on port ${port}: ${err.message}`);
+        reject(err);
+      });
+    });
+  }
+
+  /**
+   * Stop listening on a specific port
+   * 
+   * @param port The port to stop listening on
+   * @returns Promise that resolves when the server is closed
+   */
+  public async removePort(port: number): Promise<void> {
+    // Get the server for this port
+    const server = this.servers.get(port);
+    if (!server) {
+      console.log(`PortManager: Not listening on port ${port}`);
+      return;
+    }
+
+    // Close the server
+    return new Promise<void>((resolve) => {
+      server.close((err) => {
+        if (err) {
+          console.log(`Error closing server on port ${port}: ${err.message}`);
+        } else {
+          console.log(`SmartProxy -> Stopped listening on port ${port}`);
+        }
+        
+        // Remove the server reference
+        this.servers.delete(port);
+        resolve();
+      });
+    });
+  }
+
+  /**
+   * Add multiple ports at once
+   * 
+   * @param ports Array of ports to add
+   * @returns Promise that resolves when all servers are listening
+   */
+  public async addPorts(ports: number[]): Promise<void> {
+    const uniquePorts = [...new Set(ports)];
+    await Promise.all(uniquePorts.map(port => this.addPort(port)));
+  }
+
+  /**
+   * Remove multiple ports at once
+   * 
+   * @param ports Array of ports to remove
+   * @returns Promise that resolves when all servers are closed
+   */
+  public async removePorts(ports: number[]): Promise<void> {
+    const uniquePorts = [...new Set(ports)];
+    await Promise.all(uniquePorts.map(port => this.removePort(port)));
+  }
+
+  /**
+   * Update listening ports to match the provided list
+   * 
+   * This will add any ports that aren't currently listening,
+   * and remove any ports that are no longer needed.
+   * 
+   * @param ports Array of ports that should be listening
+   * @returns Promise that resolves when all operations are complete
+   */
+  public async updatePorts(ports: number[]): Promise<void> {
+    const targetPorts = new Set(ports);
+    const currentPorts = new Set(this.servers.keys());
+    
+    // Find ports to add and remove
+    const portsToAdd = ports.filter(port => !currentPorts.has(port));
+    const portsToRemove = Array.from(currentPorts).filter(port => !targetPorts.has(port));
+    
+    // Log the changes
+    if (portsToAdd.length > 0) {
+      console.log(`PortManager: Adding new listeners for ports: ${portsToAdd.join(', ')}`);
+    }
+    
+    if (portsToRemove.length > 0) {
+      console.log(`PortManager: Removing listeners for ports: ${portsToRemove.join(', ')}`);
+    }
+    
+    // Add and remove ports
+    await this.removePorts(portsToRemove);
+    await this.addPorts(portsToAdd);
+  }
+
+  /**
+   * Get all ports that are currently listening
+   * 
+   * @returns Array of port numbers
+   */
+  public getListeningPorts(): number[] {
+    return Array.from(this.servers.keys());
+  }
+
+  /**
+   * Mark the port manager as shutting down
+   */
+  public setShuttingDown(isShuttingDown: boolean): void {
+    this.isShuttingDown = isShuttingDown;
+  }
+
+  /**
+   * Close all listening servers
+   * 
+   * @returns Promise that resolves when all servers are closed
+   */
+  public async closeAll(): Promise<void> {
+    const allPorts = Array.from(this.servers.keys());
+    await this.removePorts(allPorts);
+  }
+
+  /**
+   * Get all server instances (for testing or debugging)
+   */
+  public getServers(): Map<number, plugins.net.Server> {
+    return new Map(this.servers);
+  }
+}

ts/proxies/smart-proxy/route-connection-handler.ts

@@ -8,7 +8,8 @@ import {
 } from './models/interfaces.js';
 import type {
   IRouteConfig,
-  IRouteAction
+  IRouteAction,
+  IRouteContext
 } from './models/route-types.js';
 import { ConnectionManager } from './connection-manager.js';
 import { SecurityManager } from './security-manager.js';
@@ -24,6 +25,9 @@ import type { ForwardingHandler } from '../../forwarding/handlers/base-handler.j
 export class RouteConnectionHandler {
   private settings: ISmartProxyOptions;
 
+  // Cache for route contexts to avoid recreation
+  private routeContextCache: Map<string, IRouteContext> = new Map();
+
   constructor(
     settings: ISmartProxyOptions,
     private connectionManager: ConnectionManager,
@@ -36,6 +40,47 @@ export class RouteConnectionHandler {
     this.settings = settings;
   }
 
+  /**
+   * Create a route context object for port and host mapping functions
+   */
+  private createRouteContext(options: {
+    connectionId: string;
+    port: number;
+    domain?: string;
+    clientIp: string;
+    serverIp: string;
+    isTls: boolean;
+    tlsVersion?: string;
+    routeName?: string;
+    routeId?: string;
+    path?: string;
+    query?: string;
+    headers?: Record<string, string>;
+  }): IRouteContext {
+    return {
+      // Connection information
+      port: options.port,
+      domain: options.domain,
+      clientIp: options.clientIp,
+      serverIp: options.serverIp,
+      path: options.path,
+      query: options.query,
+      headers: options.headers,
+
+      // TLS information
+      isTls: options.isTls,
+      tlsVersion: options.tlsVersion,
+
+      // Route information
+      routeName: options.routeName,
+      routeId: options.routeId,
+
+      // Additional properties
+      timestamp: Date.now(),
+      connectionId: options.connectionId
+    };
+  }
+
   /**
    * Handle a new incoming connection
    */
@@ -325,7 +370,7 @@ export class RouteConnectionHandler {
   ): void {
     const connectionId = record.id;
     const action = route.action;
-    
+
     // We should have a target configuration for forwarding
     if (!action.target) {
       console.log(`[${connectionId}] Forward action missing target configuration`);
@@ -333,24 +378,82 @@ export class RouteConnectionHandler {
       this.connectionManager.cleanupConnection(record, 'missing_target');
       return;
     }
-    
+
+    // Create the routing context for this connection
+    const routeContext = this.createRouteContext({
+      connectionId: record.id,
+      port: record.localPort,
+      domain: record.lockedDomain,
+      clientIp: record.remoteIP,
+      serverIp: socket.localAddress || '',
+      isTls: record.isTLS || false,
+      tlsVersion: record.tlsVersion,
+      routeName: route.name,
+      routeId: route.id
+    });
+
+    // Cache the context for potential reuse
+    this.routeContextCache.set(connectionId, routeContext);
+
+    // Determine host using function or static value
+    let targetHost: string | string[];
+    if (typeof action.target.host === 'function') {
+      try {
+        targetHost = action.target.host(routeContext);
+        if (this.settings.enableDetailedLogging) {
+          console.log(`[${connectionId}] Dynamic host resolved to: ${Array.isArray(targetHost) ? targetHost.join(', ') : targetHost}`);
+        }
+      } catch (err) {
+        console.log(`[${connectionId}] Error in host mapping function: ${err}`);
+        socket.end();
+        this.connectionManager.cleanupConnection(record, 'host_mapping_error');
+        return;
+      }
+    } else {
+      targetHost = action.target.host;
+    }
+
+    // If an array of hosts, select one randomly for load balancing
+    const selectedHost = Array.isArray(targetHost)
+      ? targetHost[Math.floor(Math.random() * targetHost.length)]
+      : targetHost;
+
+    // Determine port using function or static value
+    let targetPort: number;
+    if (typeof action.target.port === 'function') {
+      try {
+        targetPort = action.target.port(routeContext);
+        if (this.settings.enableDetailedLogging) {
+          console.log(`[${connectionId}] Dynamic port mapping: ${record.localPort} -> ${targetPort}`);
+        }
+        // Store the resolved target port in the context for potential future use
+        routeContext.targetPort = targetPort;
+      } catch (err) {
+        console.log(`[${connectionId}] Error in port mapping function: ${err}`);
+        socket.end();
+        this.connectionManager.cleanupConnection(record, 'port_mapping_error');
+        return;
+      }
+    } else if (action.target.preservePort) {
+      // Use incoming port if preservePort is true
+      targetPort = record.localPort;
+    } else {
+      // Use static port from configuration
+      targetPort = action.target.port;
+    }
+
+    // Store the resolved host in the context
+    routeContext.targetHost = selectedHost;
+
     // Determine if this needs TLS handling
     if (action.tls) {
       switch (action.tls.mode) {
         case 'passthrough':
           // For TLS passthrough, just forward directly
           if (this.settings.enableDetailedLogging) {
-            console.log(`[${connectionId}] Using TLS passthrough to ${action.target.host}`);
+            console.log(`[${connectionId}] Using TLS passthrough to ${selectedHost}:${targetPort}`);
           }
           
-          // Allow for array of hosts
-          const targetHost = Array.isArray(action.target.host) 
-            ? action.target.host[Math.floor(Math.random() * action.target.host.length)]
-            : action.target.host;
-          
-          // Determine target port - either target port or preserve incoming port
-          const targetPort = action.target.preservePort ? record.localPort : action.target.port;
-          
           return this.setupDirectConnection(
             socket,
             record,
@@ -358,7 +461,7 @@ export class RouteConnectionHandler {
             record.lockedDomain,
             initialChunk,
             undefined,
-            targetHost,
+            selectedHost,
             targetPort
           );
           
@@ -402,14 +505,36 @@ export class RouteConnectionHandler {
         console.log(`[${connectionId}] Using basic forwarding to ${action.target.host}:${action.target.port}`);
       }
       
-      // Allow for array of hosts
-      const targetHost = Array.isArray(action.target.host) 
-        ? action.target.host[Math.floor(Math.random() * action.target.host.length)]
-        : action.target.host;
-      
-      // Determine target port - either target port or preserve incoming port
-      const targetPort = action.target.preservePort ? record.localPort : action.target.port;
-      
+      // Get the appropriate host value
+      let targetHost: string;
+
+      if (typeof action.target.host === 'function') {
+        // For function-based host, use the same routeContext created earlier
+        const hostResult = action.target.host(routeContext);
+        targetHost = Array.isArray(hostResult)
+          ? hostResult[Math.floor(Math.random() * hostResult.length)]
+          : hostResult;
+      } else {
+        // For static host value
+        targetHost = Array.isArray(action.target.host)
+          ? action.target.host[Math.floor(Math.random() * action.target.host.length)]
+          : action.target.host;
+      }
+
+      // Determine port - either function-based, static, or preserve incoming port
+      let targetPort: number;
+      if (typeof action.target.port === 'function') {
+        targetPort = action.target.port(routeContext);
+      } else if (action.target.preservePort) {
+        targetPort = record.localPort;
+      } else {
+        targetPort = action.target.port;
+      }
+
+      // Update the connection record and context with resolved values
+      record.targetHost = targetHost;
+      record.targetPort = targetPort;
+
       return this.setupDirectConnection(
         socket,
         record,
@@ -552,13 +677,23 @@ export class RouteConnectionHandler {
 
     // Determine target host and port if not provided
     const finalTargetHost = targetHost ||
+      record.targetHost ||
       (this.settings.defaults?.target?.host || 'localhost');
 
     // Determine target port
     const finalTargetPort = targetPort ||
+      record.targetPort ||
       (overridePort !== undefined ? overridePort :
        (this.settings.defaults?.target?.port || 443));
 
+    // Update record with final target information
+    record.targetHost = finalTargetHost;
+    record.targetPort = finalTargetPort;
+
+    if (this.settings.enableDetailedLogging) {
+      console.log(`[${connectionId}] Setting up direct connection to ${finalTargetHost}:${finalTargetPort}`);
+    }
+
     // Setup connection options
     const connectionOptions: plugins.net.NetConnectOpts = {
       host: finalTargetHost,

ts/proxies/smart-proxy/route-manager.ts

@@ -58,36 +58,88 @@ export class RouteManager extends plugins.EventEmitter {
   
   /**
    * Rebuild the port mapping for fast lookups
+   * Also logs information about the ports being listened on
    */
   private rebuildPortMap(): void {
     this.portMap.clear();
-    
+    this.portRangeCache.clear(); // Clear cache when rebuilding
+
+    // Track ports for logging
+    const portToRoutesMap = new Map<number, string[]>();
+
     for (const route of this.routes) {
       const ports = this.expandPortRange(route.match.ports);
-      
+
+      // Skip if no ports were found
+      if (ports.length === 0) {
+        console.warn(`Route ${route.name || 'unnamed'} has no valid ports to listen on`);
+        continue;
+      }
+
       for (const port of ports) {
+        // Add to portMap for routing
         if (!this.portMap.has(port)) {
           this.portMap.set(port, []);
         }
         this.portMap.get(port)!.push(route);
+
+        // Add to tracking for logging
+        if (!portToRoutesMap.has(port)) {
+          portToRoutesMap.set(port, []);
+        }
+        portToRoutesMap.get(port)!.push(route.name || 'unnamed');
+      }
+    }
+
+    // Log summary of ports and routes
+    const totalPorts = this.portMap.size;
+    const totalRoutes = this.routes.length;
+    console.log(`Route manager configured with ${totalRoutes} routes across ${totalPorts} ports`);
+
+    // Log port details if detailed logging is enabled
+    const enableDetailedLogging = this.options.enableDetailedLogging;
+    if (enableDetailedLogging) {
+      for (const [port, routes] of this.portMap.entries()) {
+        console.log(`Port ${port}: ${routes.length} routes (${portToRoutesMap.get(port)!.join(', ')})`);
       }
     }
   }
   
   /**
    * Expand a port range specification into an array of individual ports
+   * Uses caching to improve performance for frequently used port ranges
+   *
+   * @public - Made public to allow external code to interpret port ranges
    */
-  private expandPortRange(portRange: TPortRange): number[] {
+  public expandPortRange(portRange: TPortRange): number[] {
+    // For simple number, return immediately
     if (typeof portRange === 'number') {
       return [portRange];
     }
-    
+
+    // Create a cache key for this port range
+    const cacheKey = JSON.stringify(portRange);
+
+    // Check if we have a cached result
+    if (this.portRangeCache.has(cacheKey)) {
+      return this.portRangeCache.get(cacheKey)!;
+    }
+
+    // Process the port range
+    let result: number[] = [];
+
     if (Array.isArray(portRange)) {
       // Handle array of port objects or numbers
-      return portRange.flatMap(item => {
+      result = portRange.flatMap(item => {
         if (typeof item === 'number') {
           return [item];
         } else if (typeof item === 'object' && 'from' in item && 'to' in item) {
+          // Handle port range object - check valid range
+          if (item.from > item.to) {
+            console.warn(`Invalid port range: from (${item.from}) > to (${item.to})`);
+            return [];
+          }
+
           // Handle port range object
           const ports: number[] = [];
           for (let p = item.from; p <= item.to; p++) {
@@ -98,14 +150,24 @@ export class RouteManager extends plugins.EventEmitter {
         return [];
       });
     }
-    
-    return [];
+
+    // Cache the result
+    this.portRangeCache.set(cacheKey, result);
+
+    return result;
   }
   
+  /**
+   * Memoization cache for expanded port ranges
+   */
+  private portRangeCache: Map<string, number[]> = new Map();
+
   /**
    * Get all ports that should be listened on
+   * This method automatically infers all required ports from route configurations
    */
   public getListeningPorts(): number[] {
+    // Return the unique set of ports from all routes
     return Array.from(this.portMap.keys());
   }
   

ts/proxies/smart-proxy/smart-proxy.ts

@@ -6,7 +6,7 @@ import { SecurityManager } from './security-manager.js';
 import { TlsManager } from './tls-manager.js';
 import { NetworkProxyBridge } from './network-proxy-bridge.js';
 import { TimeoutManager } from './timeout-manager.js';
-// import { PortRangeManager } from './port-range-manager.js';
+import { PortManager } from './port-manager.js';
 import { RouteManager } from './route-manager.js';
 import { RouteConnectionHandler } from './route-connection-handler.js';
 
@@ -39,7 +39,8 @@ import type { IRouteConfig } from './models/route-types.js';
  * - Advanced options (timeout, headers, etc.)
  */
 export class SmartProxy extends plugins.EventEmitter {
-  private netServers: plugins.net.Server[] = [];
+  // Port manager handles dynamic listener management
+  private portManager: PortManager;
   private connectionLogger: NodeJS.Timeout | null = null;
   private isShuttingDown: boolean = false;
   
@@ -49,8 +50,7 @@ export class SmartProxy extends plugins.EventEmitter {
   private tlsManager: TlsManager;
   private networkProxyBridge: NetworkProxyBridge;
   private timeoutManager: TimeoutManager;
-  // private portRangeManager: PortRangeManager;
-  private routeManager: RouteManager;
+  public routeManager: RouteManager; // Made public for route management
   private routeConnectionHandler: RouteConnectionHandler;
   
   // Port80Handler for ACME certificate management
@@ -151,8 +151,6 @@ export class SmartProxy extends plugins.EventEmitter {
     // Create the route manager
     this.routeManager = new RouteManager(this.settings);
 
-    // Create port range manager
-    // this.portRangeManager = new PortRangeManager(this.settings);
     
     // Create other required components
     this.tlsManager = new TlsManager(this.settings);
@@ -168,6 +166,9 @@ export class SmartProxy extends plugins.EventEmitter {
       this.timeoutManager,
       this.routeManager
     );
+
+    // Initialize port manager
+    this.portManager = new PortManager(this.settings, this.routeConnectionHandler);
   }
   
   /**
@@ -271,33 +272,8 @@ export class SmartProxy extends plugins.EventEmitter {
     // Get listening ports from RouteManager
     const listeningPorts = this.routeManager.getListeningPorts();
 
-    // Create servers for each port
-    for (const port of listeningPorts) {
-      const server = plugins.net.createServer((socket) => {
-        // Check if shutting down
-        if (this.isShuttingDown) {
-          socket.end();
-          socket.destroy();
-          return;
-        }
-        
-        // Delegate to route connection handler
-        this.routeConnectionHandler.handleConnection(socket);
-      }).on('error', (err: Error) => {
-        console.log(`Server Error on port ${port}: ${err.message}`);
-      });
-      
-      server.listen(port, () => {
-        const isNetworkProxyPort = this.settings.useNetworkProxy?.includes(port);
-        console.log(
-          `SmartProxy -> OK: Now listening on port ${port}${
-            isNetworkProxyPort ? ' (NetworkProxy forwarding enabled)' : ''
-          }`
-        );
-      });
-      
-      this.netServers.push(server);
-    }
+    // Start port listeners using the PortManager
+    await this.portManager.addPorts(listeningPorts);
 
     // Set up periodic connection logging and inactivity checks
     this.connectionLogger = setInterval(() => {
@@ -383,6 +359,7 @@ export class SmartProxy extends plugins.EventEmitter {
   public async stop() {
     console.log('SmartProxy shutting down...');
     this.isShuttingDown = true;
+    this.portManager.setShuttingDown(true);
     
     // Stop CertProvisioner if active
     if (this.certProvisioner) {
@@ -401,31 +378,14 @@ export class SmartProxy extends plugins.EventEmitter {
       }
     }
 
-    // Stop accepting new connections
-    const closeServerPromises: Promise<void>[] = this.netServers.map(
-      (server) =>
-        new Promise<void>((resolve) => {
-          if (!server.listening) {
-            resolve();
-            return;
-          }
-          server.close((err) => {
-            if (err) {
-              console.log(`Error closing server: ${err.message}`);
-            }
-            resolve();
-          });
-        })
-    );
-
     // Stop the connection logger
     if (this.connectionLogger) {
       clearInterval(this.connectionLogger);
       this.connectionLogger = null;
     }
 
-    // Wait for servers to close
-    await Promise.all(closeServerPromises);
+    // Stop all port listeners
+    await this.portManager.closeAll();
     console.log('All servers closed. Cleaning up active connections...');
 
     // Clean up all active connections
@@ -434,8 +394,6 @@ export class SmartProxy extends plugins.EventEmitter {
     // Stop NetworkProxy
     await this.networkProxyBridge.stop();
 
-    // Clear all servers
-    this.netServers = [];
 
     console.log('SmartProxy shutdown complete.');
   }
@@ -479,6 +437,12 @@ export class SmartProxy extends plugins.EventEmitter {
     // Update routes in RouteManager
     this.routeManager.updateRoutes(newRoutes);
 
+    // Get the new set of required ports
+    const requiredPorts = this.routeManager.getListeningPorts();
+
+    // Update port listeners to match the new configuration
+    await this.portManager.updatePorts(requiredPorts);
+
     // If NetworkProxy is initialized, resync the configurations
     if (this.networkProxyBridge.getNetworkProxy()) {
       await this.networkProxyBridge.syncRoutesToNetworkProxy(newRoutes);
@@ -609,6 +573,41 @@ export class SmartProxy extends plugins.EventEmitter {
     return true;
   }
   
+  /**
+   * Add a new listening port without changing the route configuration
+   *
+   * This allows you to add a port listener without updating routes.
+   * Useful for preparing to listen on a port before adding routes for it.
+   *
+   * @param port The port to start listening on
+   * @returns Promise that resolves when the port is listening
+   */
+  public async addListeningPort(port: number): Promise<void> {
+    return this.portManager.addPort(port);
+  }
+
+  /**
+   * Stop listening on a specific port without changing the route configuration
+   *
+   * This allows you to stop a port listener without updating routes.
+   * Useful for temporary maintenance or port changes.
+   *
+   * @param port The port to stop listening on
+   * @returns Promise that resolves when the port is closed
+   */
+  public async removeListeningPort(port: number): Promise<void> {
+    return this.portManager.removePort(port);
+  }
+
+  /**
+   * Get a list of all ports currently being listened on
+   *
+   * @returns Array of port numbers
+   */
+  public getListeningPorts(): number[] {
+    return this.portManager.getListeningPorts();
+  }
+
   /**
    * Get statistics about current connections
    */
@@ -638,7 +637,9 @@ export class SmartProxy extends plugins.EventEmitter {
       terminationStats,
       acmeEnabled: !!this.port80Handler,
       port80HandlerPort: this.port80Handler ? this.settings.acme?.port : null,
-      routes: this.routeManager.getListeningPorts().length
+      routes: this.routeManager.getListeningPorts().length,
+      listeningPorts: this.portManager.getListeningPorts(),
+      activePorts: this.portManager.getListeningPorts().length
     };
   }
   

ts/proxies/smart-proxy/utils/route-helpers.ts

@@ -14,9 +14,11 @@
  * - Static file server routes (createStaticFileRoute)
  * - API routes (createApiRoute)
  * - WebSocket routes (createWebSocketRoute)
+ * - Port mapping routes (createPortMappingRoute, createOffsetPortMappingRoute)
+ * - Dynamic routing (createDynamicRoute, createSmartLoadBalancer)
  */
 
-import type { IRouteConfig, IRouteMatch, IRouteAction, IRouteTarget, TPortRange } from '../models/route-types.js';
+import type { IRouteConfig, IRouteMatch, IRouteAction, IRouteTarget, TPortRange, IRouteContext } from '../models/route-types.js';
 
 /**
  * Create an HTTP-only route configuration
@@ -452,4 +454,168 @@ export function createWebSocketRoute(
     priority: options.priority || 100, // Higher priority for WebSocket routes
     ...options
   };
+}
+
+/**
+ * Create a helper function that applies a port offset
+ * @param offset The offset to apply to the matched port
+ * @returns A function that adds the offset to the matched port
+ */
+export function createPortOffset(offset: number): (context: IRouteContext) => number {
+  return (context: IRouteContext) => context.port + offset;
+}
+
+/**
+ * Create a port mapping route with context-based port function
+ * @param options Port mapping route options
+ * @returns Route configuration object
+ */
+export function createPortMappingRoute(options: {
+  sourcePortRange: TPortRange;
+  targetHost: string | string[] | ((context: IRouteContext) => string | string[]);
+  portMapper: (context: IRouteContext) => number;
+  name?: string;
+  domains?: string | string[];
+  priority?: number;
+  [key: string]: any;
+}): IRouteConfig {
+  // Create route match
+  const match: IRouteMatch = {
+    ports: options.sourcePortRange,
+    domains: options.domains
+  };
+
+  // Create route action
+  const action: IRouteAction = {
+    type: 'forward',
+    target: {
+      host: options.targetHost,
+      port: options.portMapper
+    }
+  };
+
+  // Create the route config
+  return {
+    match,
+    action,
+    name: options.name || `Port Mapping Route for ${options.domains || 'all domains'}`,
+    priority: options.priority,
+    ...options
+  };
+}
+
+/**
+ * Create a simple offset port mapping route
+ * @param options Offset port mapping route options
+ * @returns Route configuration object
+ */
+export function createOffsetPortMappingRoute(options: {
+  ports: TPortRange;
+  targetHost: string | string[];
+  offset: number;
+  name?: string;
+  domains?: string | string[];
+  priority?: number;
+  [key: string]: any;
+}): IRouteConfig {
+  return createPortMappingRoute({
+    sourcePortRange: options.ports,
+    targetHost: options.targetHost,
+    portMapper: (context) => context.port + options.offset,
+    name: options.name || `Offset Mapping (${options.offset > 0 ? '+' : ''}${options.offset}) for ${options.domains || 'all domains'}`,
+    domains: options.domains,
+    priority: options.priority,
+    ...options
+  });
+}
+
+/**
+ * Create a dynamic route with context-based host and port mapping
+ * @param options Dynamic route options
+ * @returns Route configuration object
+ */
+export function createDynamicRoute(options: {
+  ports: TPortRange;
+  targetHost: (context: IRouteContext) => string | string[];
+  portMapper: (context: IRouteContext) => number;
+  name?: string;
+  domains?: string | string[];
+  path?: string;
+  clientIp?: string[];
+  priority?: number;
+  [key: string]: any;
+}): IRouteConfig {
+  // Create route match
+  const match: IRouteMatch = {
+    ports: options.ports,
+    domains: options.domains,
+    path: options.path,
+    clientIp: options.clientIp
+  };
+
+  // Create route action
+  const action: IRouteAction = {
+    type: 'forward',
+    target: {
+      host: options.targetHost,
+      port: options.portMapper
+    }
+  };
+
+  // Create the route config
+  return {
+    match,
+    action,
+    name: options.name || `Dynamic Route for ${options.domains || 'all domains'}`,
+    priority: options.priority,
+    ...options
+  };
+}
+
+/**
+ * Create a smart load balancer with dynamic domain-based backend selection
+ * @param options Smart load balancer options
+ * @returns Route configuration object
+ */
+export function createSmartLoadBalancer(options: {
+  ports: TPortRange;
+  domainTargets: Record<string, string | string[]>;
+  portMapper: (context: IRouteContext) => number;
+  name?: string;
+  defaultTarget?: string | string[];
+  priority?: number;
+  [key: string]: any;
+}): IRouteConfig {
+  // Extract all domain keys to create the match criteria
+  const domains = Object.keys(options.domainTargets);
+
+  // Create the smart host selector function
+  const hostSelector = (context: IRouteContext) => {
+    const domain = context.domain || '';
+    return options.domainTargets[domain] || options.defaultTarget || 'localhost';
+  };
+
+  // Create route match
+  const match: IRouteMatch = {
+    ports: options.ports,
+    domains
+  };
+
+  // Create route action
+  const action: IRouteAction = {
+    type: 'forward',
+    target: {
+      host: hostSelector,
+      port: options.portMapper
+    }
+  };
+
+  // Create the route config
+  return {
+    match,
+    action,
+    name: options.name || `Smart Load Balancer for ${domains.join(', ')}`,
+    priority: options.priority,
+    ...options
+  };
 }

ts/proxies/smart-proxy/utils/route-validators.ts

@@ -9,14 +9,24 @@ import type { IRouteConfig, IRouteMatch, IRouteAction, TPortRange } from '../mod
 
 /**
  * Validates a port range or port number
- * @param port Port number or port range
+ * @param port Port number, port range, or port function
  * @returns True if valid, false otherwise
  */
-export function isValidPort(port: TPortRange): boolean {
+export function isValidPort(port: any): boolean {
   if (typeof port === 'number') {
     return port > 0 && port < 65536; // Valid port range is 1-65535
   } else if (Array.isArray(port)) {
-    return port.every(p => typeof p === 'number' && p > 0 && p < 65536);
+    return port.every(p =>
+      (typeof p === 'number' && p > 0 && p < 65536) ||
+      (typeof p === 'object' && 'from' in p && 'to' in p &&
+       p.from > 0 && p.from < 65536 && p.to > 0 && p.to < 65536)
+    );
+  } else if (typeof port === 'function') {
+    // For function-based ports, we can't validate the result at config time
+    // so we just check that it's a function
+    return true;
+  } else if (typeof port === 'object' && 'from' in port && 'to' in port) {
+    return port.from > 0 && port.from < 65536 && port.to > 0 && port.to < 65536;
   }
   return false;
 }
@@ -100,11 +110,20 @@ export function validateRouteAction(action: IRouteAction): { valid: boolean; err
       // Validate target host
       if (!action.target.host) {
         errors.push('Target host is required');
+      } else if (typeof action.target.host !== 'string' &&
+                !Array.isArray(action.target.host) &&
+                typeof action.target.host !== 'function') {
+        errors.push('Target host must be a string, array of strings, or function');
       }
 
       // Validate target port
-      if (!action.target.port || !isValidPort(action.target.port)) {
-        errors.push('Valid target port is required');
+      if (action.target.port === undefined) {
+        errors.push('Target port is required');
+      } else if (typeof action.target.port !== 'number' &&
+                typeof action.target.port !== 'function') {
+        errors.push('Target port must be a number or a function');
+      } else if (typeof action.target.port === 'number' && !isValidPort(action.target.port)) {
+        errors.push('Target port must be between 1 and 65535');
       }
     }