IETF Logo Mail Archive

Re: [secdir] Secdir review of draft-ietf-isis-trill

Sam Hartman <hartmans-ietf@mit.edu> Mon, 20 December 2010 18:49 UTC

Return-Path: <hartmans@mit.edu>
X-Original-To: secdir@core3.amsl.com
Delivered-To: secdir@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 2F8A73A6A95; Mon, 20 Dec 2010 10:49:10 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -102.767
X-Spam-Level:
X-Spam-Status: No, score=-102.767 tagged_above=-999 required=5 tests=[AWL=-0.502, BAYES_00=-2.599, IP_NOT_FRIENDLY=0.334, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DJGZhOJt19Lc; Mon, 20 Dec 2010 10:49:09 -0800 (PST)
Received: from mail.suchdamage.org (permutation-city.suchdamage.org [69.25.196.28]) by core3.amsl.com (Postfix) with ESMTP id 4DAAF3A687A; Mon, 20 Dec 2010 10:49:08 -0800 (PST)
Received: from carter-zimmerman.suchdamage.org (carter-zimmerman.suchdamage.org [69.25.196.178]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "laptop", Issuer "laptop" (not verified)) by mail.suchdamage.org (Postfix) with ESMTPS id 5887420239; Mon, 20 Dec 2010 13:49:51 -0500 (EST)
Received: by carter-zimmerman.suchdamage.org (Postfix, from userid 8042) id F1C254060; Mon, 20 Dec 2010 13:50:38 -0500 (EST)
From: Sam Hartman <hartmans-ietf@mit.edu>
To: Donald Eastlake <d3e3e3@gmail.com>
References: <tslipywbakv.fsf@mit.edu> <tsl4oac15m0.fsf@mit.edu> <4D0BDDC0.6060201@acm.org> <tsl7hf7zqtp.fsf@mit.edu> <AANLkTim-RGc1mnaVVjLP=8Y_7OV+tmT=OTXUmZ6q=Ddm@mail.gmail.com> <AANLkTi=LMZB8HTRXXEd+gKx+haAvn_vywkF6PUzVsr=p@mail.gmail.com> <tsltyi8xuo7.fsf@mit.edu> <AANLkTi=ES=zgq3e0mGN7er4guZ4czaLWxcjRDOEapzuv@mail.gmail.com>
Date: Mon, 20 Dec 2010 13:50:38 -0500
In-Reply-To: <AANLkTi=ES=zgq3e0mGN7er4guZ4czaLWxcjRDOEapzuv@mail.gmail.com> (Donald Eastlake's message of "Mon, 20 Dec 2010 13:43:03 -0500")
Message-ID: <tslpqswxoqp.fsf@mit.edu>
User-Agent: Gnus/5.110009 (No Gnus v0.9) Emacs/22.3 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 8bit
Cc: ietf@ietf.org, secdir@ietf.org, Erik Nordmark <nordmark@acm.org>, draft-ietf-isis-trill@tools.ietf.org, Sam Hartman <hartmans-ietf@mit.edu>
Subject: Re: [secdir] Secdir review of draft-ietf-isis-trill
X-BeenThere: secdir@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: Security Area Directorate <secdir.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/secdir>, <mailto:secdir-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/secdir>
List-Post: <mailto:secdir@ietf.org>
List-Help: <mailto:secdir-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/secdir>, <mailto:secdir-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 20 Dec 2010 18:49:10 -0000

>>>>> "Donald" == Donald Eastlake <d3e3e3@gmail.com> writes:

    Donald> Hi,
    Donald> On Mon, Dec 20, 2010 at 11:42 AM, Sam Hartman <hartmans-ietf@mit.edu> wrote:
    >>>>>>> "Radia" == Radia Perlman <radiaperlman@gmail.com> writes:
    >> 
    >>    Radia> No objections.  Radia
    >> 
    >> 
    >> Can I get someone to confirm that the text in the proposed
    >> sentences is substantially true?  I think so but I'm not an IS-IS
    >> expert.

    Donald> LSPs have sequences number, etc., and are idempotent. I
    Donald> think only Hellos have the potential replay Denial of
    Donald> Service problem. So I would suggest changing to:

    Donald> "Even when the IS-IS authentication is used, replays of
    Donald> Hello packets can create denial-of-service conditaions; see
    Donald> RFC 6039 for details. These issues are similar in scope to
    Donald> those discussed in section 6.2 of
    Donald> draft-ietf-trill-rbridge-protocol, and the same mitigations
    Donald> may apply."

Based on my understanding your correction is accurate; thanks.

v2.23.0 | Report a Bug | By Email