• Registered: 2024-09-29
  • Posts: 4

Topic: WolfSSL Connection ID: Does it Support Sessions Across IP Changes?

I'm using WolfSSL's Connection ID in a DTLS setup and need to maintain session continuity when the client's IP changes mid-session. I understand that Connection ID should ideally allow packets to be identified with an existing session even if the IP changes.
However, when this happens, I get "Ignored packet from invalid peer" errors. Do I need to implement additional logic to associate new packets with the existing session manually, or should WolfSSL handle this by default with Connection ID?

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  • From: Mobile, AL
  • Registered: 2013-12-11
  • Posts: 349

Re: WolfSSL Connection ID: Does it Support Sessions Across IP Changes?

Hi Sunnysunday,

I have requested a review of this topic by our engineers.

Thanks,
Eric - wolfSSL Support

embhorn's Website

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  • Registered: 2021-03-19
  • Posts: 3

Re: WolfSSL Connection ID: Does it Support Sessions Across IP Changes?

Hi Sunnysunday,

we are currently working on expanding our connection ID support. You can view the progress at:
    https://github.com/julek-wolfssl/wolfss … rver-demux
    https://github.com/julek-wolfssl/wolfss … rver-demux
The wolfssl-examples repo contains an example server at `dtls/server-dtls-demux.c` that shows how to handle multiple connections with connection ID support. Please note that this is a work in progress that uses new APIs introduced in the first link.

Please feel free to provide feedback about these changes.

Sincerely
Juliusz

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