IETF Logo Mail Archive

Re: I-D ACTION:draft-jabley-ipv6-rh0-is-evil-00.txt

David Malone <dwmalone@maths.tcd.ie> Fri, 11 May 2007 05:53 UTC

Return-path: <ipv6-bounces@ietf.org>
Received: from [127.0.0.1] (helo=stiedprmman1.va.neustar.com) by megatron.ietf.org with esmtp (Exim 4.43) id 1HmO3q-0003yu-H4; Fri, 11 May 2007 01:53:02 -0400
Received: from [10.91.34.44] (helo=ietf-mx.ietf.org) by megatron.ietf.org with esmtp (Exim 4.43) id 1HmO3p-0003yo-DH for ipv6@ietf.org; Fri, 11 May 2007 01:53:01 -0400
Received: from salmon.maths.tcd.ie ([2001:770:10:300::86e2:510b]) by ietf-mx.ietf.org with smtp (Exim 4.43) id 1HmO3n-0002cn-Sf for ipv6@ietf.org; Fri, 11 May 2007 01:53:01 -0400
Received: from walton.maths.tcd.ie ([134.226.81.10] helo=walton.maths.tcd.ie) by salmon.maths.tcd.ie with SMTP id <aa39367@salmon>; 11 May 2007 06:52:57 +0100 (BST)
Date: Fri, 11 May 2007 06:52:56 +0100
From: David Malone <dwmalone@maths.tcd.ie>
To: "JINMEI Tatuya / ?$B?@L@C#:H" <jinmei@isl.rdc.toshiba.co.jp>
Message-ID: <20070511055256.GA21050@walton.maths.tcd.ie>
References: <31D43DED-5BEE-4730-8FCB-476FA9EE1A97@eads.net> <46432309.1020902@innovationslab.net> <m2tzukn0xp.wl%gnn@neville-neil.com> <ED9B698C-6892-4FE8-87FD-02372C4DA338@ca.afilias.info> <m1irb0umsu.wl%jinmei@isl.rdc.toshiba.co.jp>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <m1irb0umsu.wl%jinmei@isl.rdc.toshiba.co.jp>
User-Agent: Mutt/1.5.6i
X-Spam-Score: -2.8 (--)
X-Scan-Signature: 1ac7cc0a4cd376402b85bc1961a86ac2
Cc: Brian Haberman <brian@innovationslab.net>, IETF IPv6 Mailing List <ipv6@ietf.org>
Subject: Re: I-D ACTION:draft-jabley-ipv6-rh0-is-evil-00.txt
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "IP Version 6 Working Group \(ipv6\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www1.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www1.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
Errors-To: ipv6-bounces@ietf.org

On Fri, May 11, 2007 at 11:16:49AM +0900, JINMEI Tatuya / ?$B?@L@C#:H wrote:
> I believe we should rather return an ICMPv6 error.  Even if we decide
> to deprecate type0 RH, there will be many non-updated systems for a
> certain period of time.  Since there is at least one know popular (but
> non-attacking) usage of RH0, i.e., probing 'return path' by
> traceroute, we'll still see non-attacking packets containing RH0.  It
> would be better to notice such innocent but not just well-informed
> users explicitly, rather than simply dropping the packet.

I buy this argument in favour of returning an error. I guess that
means we should select an error type which is usefully displayed
by (some/most/all?) versions of traceroute6?

	David.

--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------

v2.23.0 | Report a Bug | By Email