[openssl-users] DTLS with multiple clients

Varun Kulkarni var.kulkarni at gmail.com
Thu Apr 5 01:14:29 UTC 2018


I was able to get DTLS work with the latest version of openssl with a
single client and server. However, I was unable to get it to work with
multiple clients. The first client completes the handshake and works well.
But however the function DTLSv1_listen returns 1 immediately even for an
application data packet (after the first client completes the handshake),
where it should ideally return 0 and wait for the next client hello. Since
it hangs on SSL_accept, the next client hello packets won't be answered.

The closest reference I have got is from:
https://gist.github.com/Jxck/b211a12423622fe304d2370b1f1d30d5. This doesn't
seem to work for multiple clients.

Any suggestions/references would be helpful in this regard. If this is not
the right mailing list, please point me to the right one.


Thanks and Regards,
Varun K S
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