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Re: [rtcweb] Constraint to disable IPv6 candidate collection

Justin Uberti <juberti@google.com> Tue, 14 April 2015 02:02 UTC

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From: Justin Uberti <juberti@google.com>
Date: Mon, 13 Apr 2015 19:01:44 -0700
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To: Iñaki Baz Castillo <ibc@aliax.net>, Guo-wei Shieh <guoweis@google.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Constraint to disable IPv6 candidate collection
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FWIW, this was fixed in Chrome 42 to not put IPv6 addresses into the c=
line, when IPv4 addresses exist - because of these exact types of problems
encountered in the wild.

We think this is entirely consistent with RFC5245, which indicates the c=
line should contain the candidate most likely to work.

On Fri, Apr 10, 2015 at 4:54 AM, Iñaki Baz Castillo <ibc@aliax.net> wrote:

> 2015-04-10 13:52 GMT+02:00 Iñaki Baz Castillo <ibc@aliax.net>:
> > Please don't add stuff to the WebRTC just to make some browsers' or
> > WebRTC devices' old SDP stacks work. If a SDP stack in 2015 is not
> > capable of parsing an IPv6 in the meaningless c= line that's vendor's
> > fault and something the vendor must fix ASAP.
>
> BTW: mangle the c= line (set there your favorite meaningless IPv4)
> before providing setRemoteDescription() with the SDP and done.
>
>
> --
> Iñaki Baz Castillo
> <ibc@aliax.net>
>
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
>

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