Re: [tsvwg] New rev of IntServ MULTI_TSPEC

Lars Eggert <lars.eggert@nokia.com> Mon, 27 July 2009 08:31 UTC

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From: Lars Eggert <lars.eggert@nokia.com>
To: Francois Le Faucheur IMAP <flefauch@cisco.com>
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Date: Mon, 27 Jul 2009 10:31:22 +0200
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Cc: "James M. Polk" <jmpolk@cisco.com>, tsvwg <tsvwg@ietf.org>
Subject: Re: [tsvwg] New rev of IntServ MULTI_TSPEC
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Hi,

the text below looks OK, but I really believe this needs to be a MUST  
here, because of the additional attack angle.

Lars

On 2009-7-27, at 10:00, Francois Le Faucheur IMAP wrote:
> FYI, after going through similar discussions as part of the AD review
> of draft-ietf-tsvwg-rsvp-l3vpn, we agreed to include the following
> text in the Security Considerations section:
>
> " To ensure the integrity of RSVP, the RSVP Authentication mechanisms
> defined in [RFC2747] and [RFC3097] SHOULD be used. Those protect RSVP
> message integrity hop-by-hop and provide node authentication as well
> as replay protection, thereby protecting against corruption and
> spoofing of RSVP messages."
>
> I suggest you include same or similar text.
>
> BTW, there may be more text from the security considerations of draft-
> ietf-tsvwg-rsvp-l3vpn that may be worth considering.