Re: [dispatch] New Version Notification for draft-johansson-dispatch-dane-sip-00.txt

Iñaki Baz Castillo <ibc@aliax.net> Tue, 07 January 2014 16:17 UTC

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Date: Tue, 07 Jan 2014 17:17:18 +0100
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From: Iñaki Baz Castillo <ibc@aliax.net>
To: Olle E Johansson <oej@edvina.net>
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Cc: dispatch@ietf.org
Subject: Re: [dispatch] New Version Notification for draft-johansson-dispatch-dane-sip-00.txt
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> Those will look for something in some field that's very unspecified. Hard
to support. I guess that they will look for something to match in the CN.

This is not true. SNI does not mean "ignoring SubjectAltNames". SNI just
means that the client indicates the desired hostname during the TLS
handshake, the server offers a proper certificate for such a hostname, and
the client then validates the server certificate following the protocol
rules (in case of SIP it means rules in RFC 5922).