[asterisk-users] dtls_rekey

Teijo g.aloitus at gmail.com
Sat Aug 27 16:17:15 CDT 2016


Hello,

I'm using Asterisk 13.10.0 (built from source) in Debian Jessie.

If I set:

dtls_rekey=60

call seems to hang up in Chrome 53.0.2785.80 64-bit beta when rekeying 
should happen.

Log entries in messages.log are like this:

[Aug 27 21:54:12] ERROR[20210][C-00000028] res_rtp_asterisk.c: DTLS 
failure occurred on RTP instance '0x7fd5880172b8' due to reason 'sslv3 
alert unexpected message', terminating
[Aug 27 21:54:12] WARNING[20210][C-00000028] res_rtp_asterisk.c: RTP 
Read error: Unspecified.  Hanging up.

It may be worth of mentioning that I have:

dtls_cipher=HIGH:!SSLv3

If I do not set dtls_rekey which afaik means no rekeying, the problem 
does not occur.

I have also tested with Firefox 50 A2 32-bit, and setting dtls_rekey=60 
is not a problem with it.

Both browsers were Windows versions.

Has somebody encountered this problem?

Best,

Teijo



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