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fix(ConnectionHandler/tls): Change the TLS alert sent when a ClientHello lacks SNI: use the close_notify alert instead of handshake_failure to prompt immediate retry with SNI.

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Philipp Kunz
2025-03-16 14:02:18 +00:00
parent 1f9943b5a7
commit 1c34578c36
3 changed files with 18 additions and 2 deletions
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changelog.md
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# Changelog
## 2025-03-16 - 4.1.8 - fix(ConnectionHandler/tls)
Change the TLS alert sent when a ClientHello lacks SNI: use the close_notify alert instead of handshake_failure to prompt immediate retry with SNI.
- Replaced the previously sent handshake_failure alert (code 0x28) with a close_notify alert (code 0x00) in the TLS session resumption handling in ConnectionHandler.
- This change encourages clients to immediately retry and include SNI when allowSessionTicket is false.
## 2025-03-16 - 4.1.7 - fix(classes.pp.connectionhandler)
Improve TLS alert handling in ClientHello when SNI is missing and session tickets are disallowed