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Re: [MMUSIC] Draft new version: draft-ietf-mmusic-dtls-sdp-09

Christer Holmberg <christer.holmberg@ericsson.com> Wed, 02 March 2016 16:43 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Roman Shpount <roman@telurix.com>
Thread-Topic: [MMUSIC] Draft new version: draft-ietf-mmusic-dtls-sdp-09
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Date: Wed, 02 Mar 2016 16:43:04 +0000
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Cc: "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>, "mmusic@ietf.org" <mmusic@ietf.org>, Paul Kyzivat <pkyzivat@alum.mit.edu>
Subject: Re: [MMUSIC] Draft new version: draft-ietf-mmusic-dtls-sdp-09
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So, do we still need some changes in draft-dtls-sdp?

Perhaps we should completely remove section 3.4 (“Multiple SDP fingerprint attributes”), and cover it in the 4572 update?

Regards,

Christer

From: Roman Shpount [mailto:roman@telurix.com]
Sent: 02 March 2016 18:27
To: Christer Holmberg <christer.holmberg@ericsson.com>
Cc: Paul Kyzivat <pkyzivat@alum.mit.edu>; Martin Thomson <martin.thomson@gmail.com>; mmusic-chairs@ietf.org; mmusic@ietf.org
Subject: Re: [MMUSIC] Draft new version: draft-ietf-mmusic-dtls-sdp-09

On Wed, Mar 2, 2016 at 11:25 AM, Christer Holmberg <christer.holmberg@ericsson.com<mailto:christer.holmberg@ericsson.com>> wrote:
Hi,

>>>     One of the certificates received during the DTLS handshake MUST
>>
>> Note: While there are multiple certificates in a DTLS handshake, ONLY
>> the end-entity certificate should be checked.  Checking against other
>> certificates would be a serious bug and a huge security vulnerability.
>
> It would be good to say that somewhere.

Should that be said in the 4572 update? Or, is it DTLS-specific?

This should be in 4572 update. This is not DTLS specific.
_____________
Roman Shpount

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