Re: [DNSOP] on staleness of code points and code (mentions MD5 commentary from IETF98)

"Peter van Dijk" <peter.van.dijk@powerdns.com> Tue, 28 March 2017 17:23 UTC

Return-Path: <peter.van.dijk@powerdns.com>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 781D6129713 for <dnsop@ietfa.amsl.com>; Tue, 28 Mar 2017 10:23:21 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zifpckoUT-Qb for <dnsop@ietfa.amsl.com>; Tue, 28 Mar 2017 10:23:19 -0700 (PDT)
Received: from shannon.7bits.nl (shannon.7bits.nl [IPv6:2a01:1b0:202:40::1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 87D1C12944B for <dnsop@ietf.org>; Tue, 28 Mar 2017 10:23:18 -0700 (PDT)
Received: from [192.168.137.1] (unknown [IPv6:2001:610:666:0:51b3:5d28:da31:8cf4]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: peter) by shannon.7bits.nl (Postfix) with ESMTPSA id 4C3C5C1B96; Tue, 28 Mar 2017 19:23:16 +0200 (CEST)
From: Peter van Dijk <peter.van.dijk@powerdns.com>
To: dnsop@ietf.org
Date: Tue, 28 Mar 2017 19:23:16 +0200
Message-ID: <60078F8A-6117-4C27-88F6-1C180395A718@powerdns.com>
In-Reply-To: <m1csoVf-0000FDC@stereo.hq.phicoh.net>
References: <58D96BC0.9040701@redbarn.org> <20170328024127.GC96991@isc.org> <alpine.DEB.2.11.1703281035190.13590@grey.csi.cam.ac.uk> <m1csoVf-0000FDC@stereo.hq.phicoh.net>
MIME-Version: 1.0
Content-Type: text/plain; format="flowed"
X-Mailer: MailMate (1.9.6r5347)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/Ztmx1gNnZmAXSQa0cWoWxavblNw>
Subject: Re: [DNSOP] on staleness of code points and code (mentions MD5 commentary from IETF98)
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 28 Mar 2017 17:23:22 -0000

Hi Philip,

On 28 Mar 2017, at 12:37, Philip Homburg wrote:

> So if would be best if a validator that implements MD5 would still 
> return
> NXDOMAIN is validation fails, but would keep the AD-bit clear even if 
> validation
> passes for a domain signed using MD5.

In the interest of nitpick correctness, please return SERVFAIL there, 
not NXDOMAIN :)

Kind regards,
-- 
Peter van Dijk
PowerDNS.COM BV - https://www.powerdns.com/