Re: [secdir] secdir review of draft-ietf-behave-turn-uri-03.txt

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Wed, 21 October 2009 22:11 UTC

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Date: Thu, 22 Oct 2009 00:11:10 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Marc Petit-Huguenin <petithug@acm.org>
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Cc: Magnus Westerlund <magnus.westerlund@ericsson.com>, "iesg@ietf.org" <iesg@ietf.org>, "secdir@ietf.org" <secdir@ietf.org>
Subject: Re: [secdir] secdir review of draft-ietf-behave-turn-uri-03.txt
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On Wed, Oct 21, 2009 at 06:51:35PM +0200, Marc Petit-Huguenin wrote:

[...]
 
> Here the modified proposed text that should address all your
> concerns.  Let me know if this is OK:
> 
> "The Application Service Tag and Application Protocol Tags defined in
> this document do not introduce any specific security issues beyond
> the security considerations discussed in [RFC3958].  [RFC3958]
> requests that an S-NAPTR application defines some form of end-to-end
> authentication to ensure that the correct destination has been
> reached.  This is achieved for "turn" and "turns" URIs by the Long-
> Term Credential Mechanism defined in [RFC5389], which is mandatory
> for TURN [I-D.ietf-behave-turn].  Additionally for a "turns" URI, the
> usage of TLS has the capability to address the requirement."

Looks perfect to me.

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>