feat(nftables):add nftables support for nftables

ts/core/utils/route-utils.ts

@@ -209,18 +209,18 @@ export function matchIpPattern(pattern: string, ip: string): boolean {
  * 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
+ * @param ipAllowList Array of allowed IP patterns
+ * @param ipBlockList Array of blocked IP patterns
  * @returns Whether the IP is allowed
  */
 export function isIpAuthorized(
   ip: string, 
-  allowedIps: string[] = ['*'], 
-  blockedIps: string[] = []
+  ipAllowList: string[] = ['*'], 
+  ipBlockList: string[] = []
 ): boolean {
   // Check blocked IPs first
-  if (blockedIps.length > 0) {
-    for (const pattern of blockedIps) {
+  if (ipBlockList.length > 0) {
+    for (const pattern of ipBlockList) {
       if (matchIpPattern(pattern, ip)) {
         return false; // IP is blocked
       }
@@ -228,13 +228,13 @@ export function isIpAuthorized(
   }
   
   // If there are allowed IPs, check them
-  if (allowedIps.length > 0) {
+  if (ipAllowList.length > 0) {
     // Special case: if '*' is in allowed IPs, all non-blocked IPs are allowed
-    if (allowedIps.includes('*')) {
+    if (ipAllowList.includes('*')) {
       return true;
     }
     
-    for (const pattern of allowedIps) {
+    for (const pattern of ipAllowList) {
       if (matchIpPattern(pattern, ip)) {
         return true; // IP is allowed
       }

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

@@ -31,8 +31,8 @@ export interface NfTableProxyOptions {
   logFormat?: 'plain' | 'json'; // Format for logs
   
   // Source filtering
-  allowedSourceIPs?: string[]; // If provided, only these IPs are allowed
-  bannedSourceIPs?: string[];  // If provided, these IPs are blocked
+  ipAllowList?: string[]; // If provided, only these IPs are allowed
+  ipBlockList?: string[];  // If provided, these IPs are blocked
   useIPSets?: boolean;        // Use nftables sets for efficient IP management
   
   // Rule management

ts/proxies/nftables-proxy/nftables-proxy.ts

@@ -134,8 +134,8 @@ export class NfTablesProxy {
       }
     };
     
-    validateIPs(settings.allowedSourceIPs);
-    validateIPs(settings.bannedSourceIPs);
+    validateIPs(settings.ipAllowList);
+    validateIPs(settings.ipBlockList);
     
     // Validate toHost - only allow hostnames or IPs
     if (settings.toHost) {
@@ -426,7 +426,7 @@ export class NfTablesProxy {
    * Adds source IP filtering rules, potentially using IP sets for efficiency
    */
   private async addSourceIPFilters(isIpv6: boolean = false): Promise<boolean> {
-    if (!this.settings.allowedSourceIPs && !this.settings.bannedSourceIPs) {
+    if (!this.settings.ipAllowList && !this.settings.ipBlockList) {
       return true; // Nothing to do
     }
     
@@ -441,9 +441,9 @@ export class NfTablesProxy {
       // Using IP sets for more efficient rule processing with large IP lists
       if (this.settings.useIPSets) {
         // Create sets for banned and allowed IPs if needed
-        if (this.settings.bannedSourceIPs && this.settings.bannedSourceIPs.length > 0) {
+        if (this.settings.ipBlockList && this.settings.ipBlockList.length > 0) {
           const setName = 'banned_ips';
-          await this.createIPSet(family, setName, this.settings.bannedSourceIPs, setType as any);
+          await this.createIPSet(family, setName, this.settings.ipBlockList, setType as any);
           
           // Add rule to drop traffic from banned IPs
           const rule = `add rule ${family} ${this.tableName} ${chain} ip${isIpv6 ? '6' : ''} saddr @${setName} drop comment "${this.ruleTag}:BANNED_SET"`;
@@ -458,9 +458,9 @@ export class NfTablesProxy {
           });
         }
         
-        if (this.settings.allowedSourceIPs && this.settings.allowedSourceIPs.length > 0) {
+        if (this.settings.ipAllowList && this.settings.ipAllowList.length > 0) {
           const setName = 'allowed_ips';
-          await this.createIPSet(family, setName, this.settings.allowedSourceIPs, setType as any);
+          await this.createIPSet(family, setName, this.settings.ipAllowList, setType as any);
           
           // Add rule to allow traffic from allowed IPs
           const rule = `add rule ${family} ${this.tableName} ${chain} ip${isIpv6 ? '6' : ''} saddr @${setName} ${this.settings.protocol} dport {${this.getAllPorts(this.settings.fromPort)}} accept comment "${this.ruleTag}:ALLOWED_SET"`;
@@ -490,8 +490,8 @@ export class NfTablesProxy {
         // Traditional approach without IP sets - less efficient for large IP lists
         
         // Ban specific IPs first
-        if (this.settings.bannedSourceIPs && this.settings.bannedSourceIPs.length > 0) {
-          for (const ip of this.settings.bannedSourceIPs) {
+        if (this.settings.ipBlockList && this.settings.ipBlockList.length > 0) {
+          for (const ip of this.settings.ipBlockList) {
             // Skip IPv4 addresses for IPv6 rules and vice versa
             if (isIpv6 && ip.includes('.')) continue;
             if (!isIpv6 && ip.includes(':')) continue;
@@ -510,9 +510,9 @@ export class NfTablesProxy {
         }
         
         // Allow specific IPs
-        if (this.settings.allowedSourceIPs && this.settings.allowedSourceIPs.length > 0) {
+        if (this.settings.ipAllowList && this.settings.ipAllowList.length > 0) {
           // Add rules to allow specific IPs
-          for (const ip of this.settings.allowedSourceIPs) {
+          for (const ip of this.settings.ipAllowList) {
             // Skip IPv4 addresses for IPv6 rules and vice versa
             if (isIpv6 && ip.includes('.')) continue;
             if (!isIpv6 && ip.includes(':')) continue;
@@ -1398,28 +1398,28 @@ export class NfTablesProxy {
     
     // Source IP filters
     if (this.settings.useIPSets) {
-      if (this.settings.bannedSourceIPs?.length) {
+      if (this.settings.ipBlockList?.length) {
         commands.push(`add set ip ${this.tableName} banned_ips { type ipv4_addr; }`);
-        commands.push(`add element ip ${this.tableName} banned_ips { ${this.settings.bannedSourceIPs.join(', ')} }`);
+        commands.push(`add element ip ${this.tableName} banned_ips { ${this.settings.ipBlockList.join(', ')} }`);
         commands.push(`add rule ip ${this.tableName} nat_prerouting ip saddr @banned_ips drop comment "${this.ruleTag}:BANNED_SET"`);
       }
       
-      if (this.settings.allowedSourceIPs?.length) {
+      if (this.settings.ipAllowList?.length) {
         commands.push(`add set ip ${this.tableName} allowed_ips { type ipv4_addr; }`);
-        commands.push(`add element ip ${this.tableName} allowed_ips { ${this.settings.allowedSourceIPs.join(', ')} }`);
+        commands.push(`add element ip ${this.tableName} allowed_ips { ${this.settings.ipAllowList.join(', ')} }`);
         commands.push(`add rule ip ${this.tableName} nat_prerouting ip saddr @allowed_ips ${this.settings.protocol} dport {${this.getAllPorts(this.settings.fromPort)}} accept comment "${this.ruleTag}:ALLOWED_SET"`);
         commands.push(`add rule ip ${this.tableName} nat_prerouting ${this.settings.protocol} dport {${this.getAllPorts(this.settings.fromPort)}} drop comment "${this.ruleTag}:DENY_ALL"`);
       }
-    } else if (this.settings.bannedSourceIPs?.length || this.settings.allowedSourceIPs?.length) {
+    } else if (this.settings.ipBlockList?.length || this.settings.ipAllowList?.length) {
       // Traditional approach without IP sets
-      if (this.settings.bannedSourceIPs?.length) {
-        for (const ip of this.settings.bannedSourceIPs) {
+      if (this.settings.ipBlockList?.length) {
+        for (const ip of this.settings.ipBlockList) {
           commands.push(`add rule ip ${this.tableName} nat_prerouting ip saddr ${ip} drop comment "${this.ruleTag}:BANNED"`);
         }
       }
       
-      if (this.settings.allowedSourceIPs?.length) {
-        for (const ip of this.settings.allowedSourceIPs) {
+      if (this.settings.ipAllowList?.length) {
+        for (const ip of this.settings.ipAllowList) {
           commands.push(`add rule ip ${this.tableName} nat_prerouting ip saddr ${ip} ${this.settings.protocol} dport {${this.getAllPorts(this.settings.fromPort)}} accept comment "${this.ruleTag}:ALLOWED"`);
         }
         commands.push(`add rule ip ${this.tableName} nat_prerouting ${this.settings.protocol} dport {${this.getAllPorts(this.settings.fromPort)}} drop comment "${this.ruleTag}:DENY_ALL"`);

ts/proxies/smart-proxy/index.ts

@@ -19,6 +19,7 @@ export { NetworkProxyBridge } from './network-proxy-bridge.js';
 // Export route-based components
 export { RouteManager } from './route-manager.js';
 export { RouteConnectionHandler } from './route-connection-handler.js';
+export { NFTablesManager } from './nftables-manager.js';
 
 // Export all helper functions from the utils directory
 export * from './utils/index.js';

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

@@ -142,4 +142,7 @@ export interface IConnectionRecord {
   // Browser connection tracking
   isBrowserConnection?: boolean; // Whether this connection appears to be from a browser
   domainSwitches?: number; // Number of times the domain has been switched on this connection
+  
+  // NFTables tracking
+  nftablesHandled?: boolean; // Whether this connection is being handled by NFTables at kernel level
 }

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

@@ -1,6 +1,7 @@
 import * as plugins from '../../../plugins.js';
 import type { IAcmeOptions } from '../../../certificate/models/certificate-types.js';
 import type { TForwardingType } from '../../../forwarding/config/forwarding-types.js';
+import type { PortRange } from '../../../proxies/nftables-proxy/models/interfaces.js';
 
 /**
  * Supported action types for route configurations
@@ -259,6 +260,12 @@ export interface IRouteAction {
     backendProtocol?: 'http1' | 'http2';
     [key: string]: any;
   };
+
+  // Forwarding engine specification
+  forwardingEngine?: 'node' | 'nftables';
+
+  // NFTables-specific options
+  nftables?: INfTablesOptions;
 }
 
 /**
@@ -275,6 +282,19 @@ export interface IRouteRateLimit {
 
 // IRouteSecurity is defined above - unified definition is used for all routes
 
+/**
+ * NFTables-specific configuration options
+ */
+export interface INfTablesOptions {
+  preserveSourceIP?: boolean;     // Preserve original source IP address
+  protocol?: 'tcp' | 'udp' | 'all'; // Protocol to forward
+  maxRate?: string;               // QoS rate limiting (e.g. "10mbps")
+  priority?: number;              // QoS priority (1-10, lower is higher priority)
+  tableName?: string;             // Optional custom table name
+  useIPSets?: boolean;            // Use IP sets for performance
+  useAdvancedNAT?: boolean;       // Use connection tracking for stateful NAT
+}
+
 /**
  * CORS configuration for a route
  */

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

@@ -0,0 +1,268 @@
+import * as plugins from '../../plugins.js';
+import { NfTablesProxy } from '../nftables-proxy/nftables-proxy.js';
+import type { 
+  NfTableProxyOptions, 
+  PortRange,
+  NfTablesStatus
+} from '../nftables-proxy/models/interfaces.js';
+import type {
+  IRouteConfig,
+  TPortRange,
+  INfTablesOptions
+} from './models/route-types.js';
+import type { ISmartProxyOptions } from './models/interfaces.js';
+
+/**
+ * Manages NFTables rules based on SmartProxy route configurations
+ * 
+ * This class bridges the gap between SmartProxy routes and the NFTablesProxy,
+ * allowing high-performance kernel-level packet forwarding for routes that 
+ * specify NFTables as their forwarding engine.
+ */
+export class NFTablesManager {
+  private rulesMap: Map<string, NfTablesProxy> = new Map();
+  
+  /**
+   * Creates a new NFTablesManager
+   * 
+   * @param options The SmartProxy options
+   */
+  constructor(private options: ISmartProxyOptions) {}
+  
+  /**
+   * Provision NFTables rules for a route
+   * 
+   * @param route The route configuration
+   * @returns A promise that resolves to true if successful, false otherwise
+   */
+  public async provisionRoute(route: IRouteConfig): Promise<boolean> {
+    // Generate a unique ID for this route
+    const routeId = this.generateRouteId(route);
+    
+    // Skip if route doesn't use NFTables
+    if (route.action.forwardingEngine !== 'nftables') {
+      return true;
+    }
+    
+    // Create NFTables options from route configuration
+    const nftOptions = this.createNfTablesOptions(route);
+    
+    // Create and start an NFTablesProxy instance
+    const proxy = new NfTablesProxy(nftOptions);
+    
+    try {
+      await proxy.start();
+      this.rulesMap.set(routeId, proxy);
+      return true;
+    } catch (err) {
+      console.error(`Failed to provision NFTables rules for route ${route.name || 'unnamed'}: ${err.message}`);
+      return false;
+    }
+  }
+  
+  /**
+   * Remove NFTables rules for a route
+   * 
+   * @param route The route configuration
+   * @returns A promise that resolves to true if successful, false otherwise
+   */
+  public async deprovisionRoute(route: IRouteConfig): Promise<boolean> {
+    const routeId = this.generateRouteId(route);
+    
+    const proxy = this.rulesMap.get(routeId);
+    if (!proxy) {
+      return true; // Nothing to remove
+    }
+    
+    try {
+      await proxy.stop();
+      this.rulesMap.delete(routeId);
+      return true;
+    } catch (err) {
+      console.error(`Failed to deprovision NFTables rules for route ${route.name || 'unnamed'}: ${err.message}`);
+      return false;
+    }
+  }
+  
+  /**
+   * Update NFTables rules when route changes
+   * 
+   * @param oldRoute The previous route configuration
+   * @param newRoute The new route configuration
+   * @returns A promise that resolves to true if successful, false otherwise
+   */
+  public async updateRoute(oldRoute: IRouteConfig, newRoute: IRouteConfig): Promise<boolean> {
+    // Remove old rules and add new ones
+    await this.deprovisionRoute(oldRoute);
+    return this.provisionRoute(newRoute);
+  }
+  
+  /**
+   * Generate a unique ID for a route
+   * 
+   * @param route The route configuration
+   * @returns A unique ID string
+   */
+  private generateRouteId(route: IRouteConfig): string {
+    // Generate a unique ID based on route properties
+    // Include the route name, match criteria, and a timestamp
+    const matchStr = JSON.stringify({
+      ports: route.match.ports,
+      domains: route.match.domains
+    });
+    
+    return `${route.name || 'unnamed'}-${matchStr}-${route.id || Date.now().toString()}`;
+  }
+  
+  /**
+   * Create NFTablesProxy options from a route configuration
+   * 
+   * @param route The route configuration
+   * @returns NFTableProxyOptions object
+   */
+  private createNfTablesOptions(route: IRouteConfig): NfTableProxyOptions {
+    const { action } = route;
+    
+    // Ensure we have a target
+    if (!action.target) {
+      throw new Error('Route must have a target to use NFTables forwarding');
+    }
+    
+    // Convert port specifications
+    const fromPorts = this.expandPortRange(route.match.ports);
+    
+    // Determine target port
+    let toPorts: number | PortRange | Array<number | PortRange>;
+    
+    if (action.target.port === 'preserve') {
+      // 'preserve' means use the same ports as the source
+      toPorts = fromPorts;
+    } else if (typeof action.target.port === 'function') {
+      // For function-based ports, we can't determine at setup time
+      // Use the "preserve" approach and let NFTables handle it
+      toPorts = fromPorts;
+    } else {
+      toPorts = action.target.port;
+    }
+    
+    // Determine target host
+    let toHost: string;
+    if (typeof action.target.host === 'function') {
+      // Can't determine at setup time, use localhost as a placeholder
+      // and rely on run-time handling
+      toHost = 'localhost';
+    } else if (Array.isArray(action.target.host)) {
+      // Use first host for now - NFTables will do simple round-robin  
+      toHost = action.target.host[0];
+    } else {
+      toHost = action.target.host;
+    }
+    
+    // Create options
+    const options: NfTableProxyOptions = {
+      fromPort: fromPorts,
+      toPort: toPorts,
+      toHost: toHost,
+      protocol: action.nftables?.protocol || 'tcp',
+      preserveSourceIP: action.nftables?.preserveSourceIP !== undefined ? 
+                        action.nftables.preserveSourceIP : 
+                        this.options.preserveSourceIP,
+      useIPSets: action.nftables?.useIPSets !== false,
+      useAdvancedNAT: action.nftables?.useAdvancedNAT,
+      enableLogging: this.options.enableDetailedLogging,
+      deleteOnExit: true,
+      tableName: action.nftables?.tableName || 'smartproxy'
+    };
+    
+    // Add security-related options
+    const security = action.security || route.security;
+    if (security?.ipAllowList?.length) {
+      options.ipAllowList = security.ipAllowList;
+    }
+    
+    if (security?.ipBlockList?.length) {
+      options.ipBlockList = security.ipBlockList;
+    }
+    
+    // Add QoS options
+    if (action.nftables?.maxRate || action.nftables?.priority) {
+      options.qos = {
+        enabled: true,
+        maxRate: action.nftables.maxRate,
+        priority: action.nftables.priority
+      };
+    }
+    
+    return options;
+  }
+  
+  /**
+   * Expand port range specifications
+   * 
+   * @param ports The port range specification
+   * @returns Expanded port range
+   */
+  private expandPortRange(ports: TPortRange): number | PortRange | Array<number | PortRange> {
+    // Process different port specifications
+    if (typeof ports === 'number') {
+      return ports;
+    } else if (Array.isArray(ports)) {
+      const result: Array<number | PortRange> = [];
+      
+      for (const item of ports) {
+        if (typeof item === 'number') {
+          result.push(item);
+        } else if ('from' in item && 'to' in item) {
+          result.push({ from: item.from, to: item.to });
+        }
+      }
+      
+      return result;
+    } else if (typeof ports === 'object' && ports !== null && 'from' in ports && 'to' in ports) {
+      return { from: (ports as any).from, to: (ports as any).to };
+    }
+    
+    // Fallback to port 80 if something went wrong
+    console.warn('Invalid port range specification, using port 80 as fallback');
+    return 80;
+  }
+  
+  /**
+   * Get status of all managed rules
+   * 
+   * @returns A promise that resolves to a record of NFTables status objects
+   */
+  public async getStatus(): Promise<Record<string, NfTablesStatus>> {
+    const result: Record<string, NfTablesStatus> = {};
+    
+    for (const [routeId, proxy] of this.rulesMap.entries()) {
+      result[routeId] = await proxy.getStatus();
+    }
+    
+    return result;
+  }
+  
+  /**
+   * Check if a route is currently provisioned
+   * 
+   * @param route The route configuration
+   * @returns True if the route is provisioned, false otherwise
+   */
+  public isRouteProvisioned(route: IRouteConfig): boolean {
+    const routeId = this.generateRouteId(route);
+    return this.rulesMap.has(routeId);
+  }
+  
+  /**
+   * Stop all NFTables rules
+   * 
+   * @returns A promise that resolves when all rules have been stopped
+   */
+  public async stop(): Promise<void> {
+    // Stop all NFTables proxies
+    const stopPromises = Array.from(this.rulesMap.values()).map(proxy => proxy.stop());
+    await Promise.all(stopPromises);
+    
+    this.rulesMap.clear();
+  }
+}

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

@@ -338,6 +338,22 @@ export class RouteConnectionHandler {
       );
     }
     
+    // Check if this route uses NFTables for forwarding
+    if (route.action.forwardingEngine === 'nftables') {
+      // For NFTables routes, we don't need to do anything at the application level
+      // The packet is forwarded at the kernel level
+      
+      // Log the connection
+      console.log(
+        `[${connectionId}] Connection forwarded by NFTables: ${record.remoteIP} -> port ${record.localPort}`
+      );
+      
+      // Just close the socket in our application since it's handled at kernel level
+      socket.end();
+      this.connectionManager.cleanupConnection(record, 'nftables_handled');
+      return;
+    }
+    
     // Handle the route based on its action type
     switch (route.action.type) {
       case 'forward':
@@ -368,6 +384,45 @@ export class RouteConnectionHandler {
     const connectionId = record.id;
     const action = route.action;
 
+    // Check if this route uses NFTables for forwarding
+    if (action.forwardingEngine === 'nftables') {
+      // Log detailed information about NFTables-handled connection
+      if (this.settings.enableDetailedLogging) {
+        console.log(
+          `[${record.id}] Connection forwarded by NFTables (kernel-level): ` +
+          `${record.remoteIP}:${socket.remotePort} -> ${socket.localAddress}:${record.localPort}` +
+          ` (Route: "${route.name || 'unnamed'}", Domain: ${record.lockedDomain || 'n/a'})`
+        );
+      } else {
+        console.log(
+          `[${record.id}] NFTables forwarding: ${record.remoteIP} -> port ${record.localPort} (Route: "${route.name || 'unnamed'}")`
+        );
+      }
+      
+      // Additional NFTables-specific logging if configured
+      if (action.nftables) {
+        const nftConfig = action.nftables;
+        if (this.settings.enableDetailedLogging) {
+          console.log(
+            `[${record.id}] NFTables config: ` +
+            `protocol=${nftConfig.protocol || 'tcp'}, ` +
+            `preserveSourceIP=${nftConfig.preserveSourceIP || false}, ` +
+            `priority=${nftConfig.priority || 'default'}, ` +
+            `maxRate=${nftConfig.maxRate || 'unlimited'}`
+          );
+        }
+      }
+      
+      // This connection is handled at the kernel level, no need to process at application level
+      // Close the socket gracefully in our application layer
+      socket.end();
+      
+      // Mark the connection as handled by NFTables for proper cleanup
+      record.nftablesHandled = true;
+      this.connectionManager.initiateCleanupOnce(record, 'nftables_handled');
+      return;
+    }
+
     // We should have a target configuration for forwarding
     if (!action.target) {
       console.log(`[${connectionId}] Forward action missing target configuration`);

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

@@ -9,6 +9,7 @@ import { TimeoutManager } from './timeout-manager.js';
 import { PortManager } from './port-manager.js';
 import { RouteManager } from './route-manager.js';
 import { RouteConnectionHandler } from './route-connection-handler.js';
+import { NFTablesManager } from './nftables-manager.js';
 
 // External dependencies
 import { Port80Handler } from '../../http/port80/port80-handler.js';
@@ -50,6 +51,7 @@ export class SmartProxy extends plugins.EventEmitter {
   private timeoutManager: TimeoutManager;
   public routeManager: RouteManager; // Made public for route management
   private routeConnectionHandler: RouteConnectionHandler;
+  private nftablesManager: NFTablesManager;
   
   // Port80Handler for ACME certificate management
   private port80Handler: Port80Handler | null = null;
@@ -82,7 +84,7 @@ export class SmartProxy extends plugins.EventEmitter {
    *   ],
    *   defaults: {
    *     target: { host: 'localhost', port: 8080 },
-   *     security: { allowedIps: ['*'] }
+   *     security: { ipAllowList: ['*'] }
    *   }
    * });
    * ```
@@ -167,6 +169,9 @@ export class SmartProxy extends plugins.EventEmitter {
 
     // Initialize port manager
     this.portManager = new PortManager(this.settings, this.routeConnectionHandler);
+    
+    // Initialize NFTablesManager
+    this.nftablesManager = new NFTablesManager(this.settings);
   }
   
   /**
@@ -270,6 +275,13 @@ export class SmartProxy extends plugins.EventEmitter {
     // Get listening ports from RouteManager
     const listeningPorts = this.routeManager.getListeningPorts();
 
+    // Provision NFTables rules for routes that use NFTables
+    for (const route of this.settings.routes) {
+      if (route.action.forwardingEngine === 'nftables') {
+        await this.nftablesManager.provisionRoute(route);
+      }
+    }
+
     // Start port listeners using the PortManager
     await this.portManager.addPorts(listeningPorts);
 
@@ -364,6 +376,10 @@ export class SmartProxy extends plugins.EventEmitter {
       await this.certProvisioner.stop();
       console.log('CertProvisioner stopped');
     }
+    
+    // Stop NFTablesManager
+    await this.nftablesManager.stop();
+    console.log('NFTablesManager stopped');
 
     // Stop the Port80Handler if running
     if (this.port80Handler) {
@@ -432,6 +448,39 @@ export class SmartProxy extends plugins.EventEmitter {
   public async updateRoutes(newRoutes: IRouteConfig[]): Promise<void> {
     console.log(`Updating routes (${newRoutes.length} routes)`);
 
+    // Get existing routes that use NFTables
+    const oldNfTablesRoutes = this.settings.routes.filter(
+      r => r.action.forwardingEngine === 'nftables'
+    );
+    
+    // Get new routes that use NFTables
+    const newNfTablesRoutes = newRoutes.filter(
+      r => r.action.forwardingEngine === 'nftables'
+    );
+    
+    // Find routes to remove, update, or add
+    for (const oldRoute of oldNfTablesRoutes) {
+      const newRoute = newNfTablesRoutes.find(r => r.name === oldRoute.name);
+      
+      if (!newRoute) {
+        // Route was removed
+        await this.nftablesManager.deprovisionRoute(oldRoute);
+      } else {
+        // Route was updated
+        await this.nftablesManager.updateRoute(oldRoute, newRoute);
+      }
+    }
+    
+    // Find new routes to add
+    for (const newRoute of newNfTablesRoutes) {
+      const oldRoute = oldNfTablesRoutes.find(r => r.name === newRoute.name);
+      
+      if (!oldRoute) {
+        // New route
+        await this.nftablesManager.provisionRoute(newRoute);
+      }
+    }
+
     // Update routes in RouteManager
     this.routeManager.updateRoutes(newRoutes);
 
@@ -440,6 +489,9 @@ export class SmartProxy extends plugins.EventEmitter {
 
     // Update port listeners to match the new configuration
     await this.portManager.updatePorts(requiredPorts);
+    
+    // Update settings with the new routes
+    this.settings.routes = newRoutes;
 
     // If NetworkProxy is initialized, resync the configurations
     if (this.networkProxyBridge.getNetworkProxy()) {
@@ -676,6 +728,13 @@ export class SmartProxy extends plugins.EventEmitter {
     return domains;
   }
   
+  /**
+   * Get NFTables status
+   */
+  public async getNfTablesStatus(): Promise<Record<string, any>> {
+    return this.nftablesManager.getStatus();
+  }
+
   /**
    * Get status of certificates managed by Port80Handler
    */

ts/proxies/smart-proxy/utils/index.ts

@@ -5,7 +5,8 @@
  * including helpers, validators, utilities, and patterns for working with routes.
  */
 
-// Route helpers have been consolidated in route-patterns.js
+// Export route helpers for creating route configurations
+export * from './route-helpers.js';
 
 // Export route validators for validating route configurations
 export * from './route-validators.js';

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

@@ -16,6 +16,7 @@
  * - WebSocket routes (createWebSocketRoute)
  * - Port mapping routes (createPortMappingRoute, createOffsetPortMappingRoute)
  * - Dynamic routing (createDynamicRoute, createSmartLoadBalancer)
+ * - NFTables routes (createNfTablesRoute, createNfTablesTerminateRoute)
  */
 
 import type { IRouteConfig, IRouteMatch, IRouteAction, IRouteTarget, TPortRange, IRouteContext } from '../models/route-types.js';
@@ -618,4 +619,195 @@ export function createSmartLoadBalancer(options: {
     priority: options.priority,
     ...options
   };
+}
+
+/**
+ * Create an NFTables-based route for high-performance packet forwarding
+ * @param nameOrDomains Name or domain(s) to match
+ * @param target Target host and port
+ * @param options Additional route options
+ * @returns Route configuration object
+ */
+export function createNfTablesRoute(
+  nameOrDomains: string | string[],
+  target: { host: string; port: number | 'preserve' },
+  options: {
+    ports?: TPortRange;
+    protocol?: 'tcp' | 'udp' | 'all';
+    preserveSourceIP?: boolean;
+    ipAllowList?: string[];
+    ipBlockList?: string[];
+    maxRate?: string;
+    priority?: number;
+    useTls?: boolean;
+    tableName?: string;
+    useIPSets?: boolean;
+    useAdvancedNAT?: boolean;
+  } = {}
+): IRouteConfig {
+  // Determine if this is a name or domain
+  let name: string;
+  let domains: string | string[] | undefined;
+  
+  if (Array.isArray(nameOrDomains) || (typeof nameOrDomains === 'string' && nameOrDomains.includes('.'))) {
+    domains = nameOrDomains;
+    name = Array.isArray(nameOrDomains) ? nameOrDomains[0] : nameOrDomains;
+  } else {
+    name = nameOrDomains;
+    domains = undefined; // No domains
+  }
+  
+  // Create route match
+  const match: IRouteMatch = {
+    domains,
+    ports: options.ports || 80
+  };
+  
+  // Create route action
+  const action: IRouteAction = {
+    type: 'forward',
+    target: {
+      host: target.host,
+      port: target.port
+    },
+    forwardingEngine: 'nftables',
+    nftables: {
+      protocol: options.protocol || 'tcp',
+      preserveSourceIP: options.preserveSourceIP,
+      maxRate: options.maxRate,
+      priority: options.priority,
+      tableName: options.tableName,
+      useIPSets: options.useIPSets,
+      useAdvancedNAT: options.useAdvancedNAT
+    }
+  };
+  
+  // Add security if allowed or blocked IPs are specified
+  if (options.ipAllowList?.length || options.ipBlockList?.length) {
+    action.security = {
+      ipAllowList: options.ipAllowList,
+      ipBlockList: options.ipBlockList
+    };
+  }
+  
+  // Add TLS options if needed
+  if (options.useTls) {
+    action.tls = {
+      mode: 'passthrough'
+    };
+  }
+  
+  // Create the route config
+  return {
+    name,
+    match,
+    action
+  };
+}
+
+/**
+ * Create an NFTables-based TLS termination route
+ * @param nameOrDomains Name or domain(s) to match
+ * @param target Target host and port
+ * @param options Additional route options
+ * @returns Route configuration object
+ */
+export function createNfTablesTerminateRoute(
+  nameOrDomains: string | string[],
+  target: { host: string; port: number | 'preserve' },
+  options: {
+    ports?: TPortRange;
+    protocol?: 'tcp' | 'udp' | 'all';
+    preserveSourceIP?: boolean;
+    ipAllowList?: string[];
+    ipBlockList?: string[];
+    maxRate?: string;
+    priority?: number;
+    tableName?: string;
+    useIPSets?: boolean;
+    useAdvancedNAT?: boolean;
+    certificate?: 'auto' | { key: string; cert: string };
+  } = {}
+): IRouteConfig {
+  // Create basic NFTables route
+  const route = createNfTablesRoute(
+    nameOrDomains,
+    target,
+    {
+      ...options,
+      ports: options.ports || 443,
+      useTls: false
+    }
+  );
+  
+  // Set TLS termination
+  route.action.tls = {
+    mode: 'terminate',
+    certificate: options.certificate || 'auto'
+  };
+  
+  return route;
+}
+
+/**
+ * Create a complete NFTables-based HTTPS setup with HTTP redirect
+ * @param nameOrDomains Name or domain(s) to match
+ * @param target Target host and port
+ * @param options Additional route options
+ * @returns Array of two route configurations (HTTPS and HTTP redirect)
+ */
+export function createCompleteNfTablesHttpsServer(
+  nameOrDomains: string | string[],
+  target: { host: string; port: number | 'preserve' },
+  options: {
+    httpPort?: TPortRange;
+    httpsPort?: TPortRange;
+    protocol?: 'tcp' | 'udp' | 'all';
+    preserveSourceIP?: boolean;
+    ipAllowList?: string[];
+    ipBlockList?: string[];
+    maxRate?: string;
+    priority?: number;
+    tableName?: string;
+    useIPSets?: boolean;
+    useAdvancedNAT?: boolean;
+    certificate?: 'auto' | { key: string; cert: string };
+  } = {}
+): IRouteConfig[] {
+  // Create the HTTPS route using NFTables
+  const httpsRoute = createNfTablesTerminateRoute(
+    nameOrDomains,
+    target,
+    {
+      ...options,
+      ports: options.httpsPort || 443
+    }
+  );
+  
+  // Determine the domain(s) for HTTP redirect
+  const domains = typeof nameOrDomains === 'string' && !nameOrDomains.includes('.') 
+    ? undefined 
+    : nameOrDomains;
+  
+  // Extract the HTTPS port for the redirect destination
+  const httpsPort = typeof options.httpsPort === 'number' 
+    ? options.httpsPort 
+    : Array.isArray(options.httpsPort) && typeof options.httpsPort[0] === 'number' 
+      ? options.httpsPort[0] 
+      : 443;
+  
+  // Create the HTTP redirect route (this uses standard forwarding, not NFTables)
+  const httpRedirectRoute = createHttpToHttpsRedirect(
+    domains as any, // Type cast needed since domains can be undefined now
+    httpsPort,
+    {
+      match: {
+        ports: options.httpPort || 80,
+        domains: domains as any // Type cast needed since domains can be undefined now
+      },
+      name: `HTTP to HTTPS Redirect for ${Array.isArray(domains) ? domains.join(', ') : domains || 'all domains'}`
+    }
+  );
+  
+  return [httpsRoute, httpRedirectRoute];
 }