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Re: [rtcweb] [BEHAVE] New Version Notification for draft-chenxin-behave-turn-websocket-01.txt

Simon Perreault <simon.perreault@viagenie.ca> Sat, 14 September 2013 09:14 UTC

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Date: Sat, 14 Sep 2013 11:13:54 +0200
From: Simon Perreault <simon.perreault@viagenie.ca>
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Subject: Re: [rtcweb] [BEHAVE] New Version Notification for draft-chenxin-behave-turn-websocket-01.txt
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Le 2013-09-14 10:53, Chenxin (Xin) a écrit :
>> I have a new question: what does the TURN server put in the
>> XOR-MAPPED-ADDRESS attribute? The proxy's address or the client's
>> address?
>
> The proxy's address. I do not think this attribute will help ICE process.
>
> Can TURN over WebSockets be used to gather server-reflexive
>> candidates?
>
> Yes, It could do as UDP and TCP. But when there is a http proxy. I think the server reflexive candidates will be the address of proxy, which means nothing for the peer.

Isn't this a big problem? I mean, if the client cannot trust the value 
of the XOR-MAPPED-ADDRESS attribute, doesn't that break STUN/TURN/ICE 
and everything else?

Simon
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