[asterisk-bugs] [JIRA] (ASTERISK-25265) [patch]DTLS Failure when calling WebRTC-peer on Firefox 39 - add ECDH support and fallback to prime256v1

[Eugene Voityuk (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=227394#comment-227394 ] 

Eugene Voityuk commented on ASTERISK-25265:
-------------------------------------------

I was trying to backport this patch to asterisk 11, with no succes, also i belive this patch requires latest version of OpenSSL, so i did other patch, withc works with latest opnessl from Centos repository. For me it did fix issue with Firefox.

> [patch]DTLS Failure when calling WebRTC-peer on Firefox 39 - add ECDH support and fallback to prime256v1
> --------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-25265
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25265
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/BuildSystem, Resources/res_rtp_asterisk
>    Affects Versions: SVN, 13.1.0, 13.4.0
>            Reporter: Stefan Engström
>         Attachments: asterisk-ecdh.patch, res_rtp_asterisk.patch
>
>
> This issue has already been reported by http://forums.asterisk.org/viewtopic.php?f=1&t=95417
> Whenever calling a webrtc peer which uses firefox version 39 (or 40 beta), I get  error messages like "res_rtp_asterisk.c: DTLS failure occurred on RTP instance '0x7fefe800e9e8' due to reason 'no shared cipher', terminating" after the SDP exchange, and the call terminates.
> Hopefully you can reproduce it yourself on the latest version of asterisk by using
> http://www.sipml5.org/call.htm (I'm not sure if asterisk is doing anything wrong or just firefox/sipml5)
> I will provide more info if it's not easily reproducable.



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