IETF Logo Mail Archive

Re: [dnsext] Forgery resilience and meeting in Stockholm

Florian Weimer <fweimer@bfk.de> Mon, 11 May 2009 12:24 UTC

Return-Path: <owner-namedroppers@ops.ietf.org>
X-Original-To: ietfarch-namedroppers-archive-gleetwall6@core3.amsl.com
Delivered-To: ietfarch-namedroppers-archive-gleetwall6@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 7D1F63A6ABF; Mon, 11 May 2009 05:24:18 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0.904
X-Spam-Level:
X-Spam-Status: No, score=0.904 tagged_above=-999 required=5 tests=[AWL=-0.716, BAYES_00=-2.599, FH_RELAY_NODNS=1.451, HELO_EQ_DE=0.35, HELO_MISMATCH_DE=1.448, RDNS_NONE=0.1, SARE_MLH_Stock1=0.87]
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 qCR0RjL-DYd4; Mon, 11 May 2009 05:24:17 -0700 (PDT)
Received: from psg.com (psg.com [IPv6:2001:418:1::62]) by core3.amsl.com (Postfix) with ESMTP id 981173A6911; Mon, 11 May 2009 05:24:17 -0700 (PDT)
Received: from majordom by psg.com with local (Exim 4.69 (FreeBSD)) (envelope-from <owner-namedroppers@ops.ietf.org>) id 1M3USc-000HdT-4V for namedroppers-data0@psg.com; Mon, 11 May 2009 12:18:22 +0000
Received: from [193.227.124.2] (helo=mx01.bfk.de) by psg.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from <fweimer@bfk.de>) id 1M3USJ-000Hbv-Pe for namedroppers@ops.ietf.org; Mon, 11 May 2009 12:18:16 +0000
Received: from mx00.int.bfk.de ([10.119.110.2]) by mx01.bfk.de with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) id 1M3USQ-00060l-Sj; Mon, 11 May 2009 14:18:10 +0200
Received: from fweimer by bfk.de with local id 1M3USG-0006fX-5x; Mon, 11 May 2009 14:18:00 +0200
To: Andrew Sullivan <ajs@shinkuro.com>
Cc: namedroppers@ops.ietf.org
Subject: Re: [dnsext] Forgery resilience and meeting in Stockholm
References: <20090508181422.GH2372@shinkuro.com>
From: Florian Weimer <fweimer@bfk.de>
Date: Mon, 11 May 2009 14:18:00 +0200
In-Reply-To: <20090508181422.GH2372@shinkuro.com> (Andrew Sullivan's message of "Fri, 8 May 2009 14:14:22 -0400")
Message-ID: <82prefq1dz.fsf@mid.bfk.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Sender: owner-namedroppers@ops.ietf.org
Precedence: bulk
List-ID: <namedroppers.ops.ietf.org>

* Andrew Sullivan:

> 3.  Adopt draft-vixie-dnsext-dns0x20-00.  If we do (2), then perhaps
> this gets included in that document, or perhaps it proceeds as part of
> a set of documents.  Let's leave the editorial process issues out of
> the discussion, and just focus on whether we want to include this
> strategy in the tool box.
>
> 4.  Adopt draft-hubert-ulevitch-edns-ping-01.txt.  As in (3), this
> might be included as part of (2) or processed individually, but that
> doesn't matter.

Both drafts are not worth the WG's efforts, IMHO.

On the other hand, it seems to me that the current DNSSEC
implementations require a certain level of channel security to work
reliably.  If it turns out that source port randomization is really
not good enough, DNSSEC is affected as well (even if it's just a
denial of service).

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

--
to unsubscribe send a message to namedroppers-request@ops.ietf.org with
the word 'unsubscribe' in a single line as the message text body.
archive: <http://ops.ietf.org/lists/namedroppers/>

v2.23.0 | Report a Bug | By Email