DTLS support issue

[Julio Carlos Barrera Juez]

I have compiled coturn in a SUSE Enterprise Linux 11 SP1 x86_64 machine with OpenSSL 0.9.8h 28 May 2008 (I know, it is an old version). Theoretically this version of OpenSSL has DTLS support because it was added in 0.9.8 version (OpenSSL changelog). But when I launch coturn server I see this log lines:

...

0: TLS supported

0: DTLS is not supported

0: AEAD is not supported

...

And my server is not listening in UDP port 5349 as this netstat output exposes:

tcp        0      0 10.0.0.40:3478          0.0.0.0:*               LISTEN      3753/turnserver     

tcp        0      0 10.0.0.40:5349          0.0.0.0:*               LISTEN      3753/turnserver     

tcp        0      0 127.0.0.1:5766          0.0.0.0:*               LISTEN      3753/turnserver     

udp        0      0 10.0.0.40:3478          0.0.0.0:*                           3753/turnserver

In more modern distros with higher OpenSSL versions I achieved using DTLS over UDP port 5349 and my WebRTC client successfully connect.

How can I get DTLS support in my old SUSE Enterprise?

[Oleg Moskalenko]

The DTLS support prior to OpenSSL 1.0 was not complete. The
"configure" script could not compile the test program on your system
so it decided to turn off the DTLS.

Read the INSTALL file about different OpenSSL versions on the same
system. You can install a separate OpeNSSL version on your old system,
compile and run the TURN server with the new OpenSSL.

Regards,
Oleg

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[Julio Carlos Barrera Juez]

Great. Thank you for the answer ;)

Julio C. Barrera Juez  

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