[openssl-users] DTLS with multiple clients

Matt Caswell matt at openssl.org
Thu Apr 5 08:03:39 UTC 2018

Are you able to share a simple reproducer of your problem?


On 05/04/18 02:14, Varun Kulkarni wrote:
> Hi,
> 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

More information about the openssl-users mailing list