Re: [rtcweb] Resolving RTP/SDES question in Paris

Iñaki Baz Castillo <ibc@aliax.net> Tue, 20 March 2012 13:48 UTC

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From: Iñaki Baz Castillo <ibc@aliax.net>
Date: Tue, 20 Mar 2012 14:48:33 +0100
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To: Roman Shpount <roman@telurix.com>
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Subject: Re: [rtcweb] Resolving RTP/SDES question in Paris
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2012/3/20 Roman Shpount <roman@telurix.com>:
> Once again, I understand how this helps in case of HTTPS, but how would this
> help in case of WebRTC? Media description is carried in some sort of
> application defined protocol (can even be transmitted over an encrypted SCTP
> data channel or encrypted in javaScript), so monitoring proxy cannot
> reliably modify it. I understand how it can be allowed to fake the signature
> on modified SDP by inserting a certificate in the browser, but how would the
> proxy get to the SDP in the first place?

That's up to the implementor, is not? This is: if a WebRTC provider
wants to monitor the media by modifying the SDP it should design some
system in which the SDP is carried by its systems (i.e. via HTTP(s) or
WebSocket).

-- 
Iñaki Baz Castillo
<ibc@aliax.net>