IETF Logo Mail Archive

Re: [dnsext] New RRtype "KREALM" in draft-vanrein-dnstxt-krb1-02.txt

Tony Finch <dot@dotat.at> Fri, 11 September 2015 09:03 UTC

Return-Path: <fanf2@hermes.cam.ac.uk>
X-Original-To: dnsext@ietfa.amsl.com
Delivered-To: dnsext@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 918081B32B6 for <dnsext@ietfa.amsl.com>; Fri, 11 Sep 2015 02:03:20 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.211
X-Spam-Level:
X-Spam-Status: No, score=-4.211 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham
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 7hqp2tDacNqu for <dnsext@ietfa.amsl.com>; Fri, 11 Sep 2015 02:03:19 -0700 (PDT)
Received: from ppsw-40.csi.cam.ac.uk (ppsw-40.csi.cam.ac.uk [131.111.8.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9A5BC1B3C57 for <dnsext@ietf.org>; Fri, 11 Sep 2015 02:03:16 -0700 (PDT)
X-Cam-AntiVirus: no malware found
X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/
Received: from hermes-2.csi.cam.ac.uk ([131.111.8.54]:51821) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:25) with esmtpa (EXTERNAL:fanf2) id 1ZaKEl-0002T2-ja (Exim 4.86_36-e07b163) (return-path <fanf2@hermes.cam.ac.uk>); Fri, 11 Sep 2015 10:03:15 +0100
Received: from fanf2 by hermes-2.csi.cam.ac.uk (hermes.cam.ac.uk) with local id 1ZaKEl-0008VQ-1F (Exim 4.72) (return-path <fanf2@hermes.cam.ac.uk>); Fri, 11 Sep 2015 10:03:15 +0100
Date: Fri, 11 Sep 2015 10:03:15 +0100
From: Tony Finch <dot@dotat.at>
X-X-Sender: fanf2@hermes-2.csi.cam.ac.uk
To: Rick van Rein <rick@openfortress.nl>
In-Reply-To: <55E868E8.6050504@openfortress.nl>
Message-ID: <alpine.LSU.2.00.1509081536450.734@hermes-2.csi.cam.ac.uk>
References: <55E868E8.6050504@openfortress.nl>
User-Agent: Alpine 2.00 (LSU 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset="US-ASCII"
Sender: Tony Finch <fanf2@hermes.cam.ac.uk>
Archived-At: <http://mailarchive.ietf.org/arch/msg/dnsext/eNAu9821022tzf9yY2fur1CEXT8>
Cc: dnsext@ietf.org
Subject: Re: [dnsext] New RRtype "KREALM" in draft-vanrein-dnstxt-krb1-02.txt
X-BeenThere: dnsext@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DNS Extensions working group discussion list <dnsext.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsext>, <mailto:dnsext-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsext/>
List-Post: <mailto:dnsext@ietf.org>
List-Help: <mailto:dnsext-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsext>, <mailto:dnsext-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 11 Sep 2015 09:03:20 -0000

Rick van Rein <rick@openfortress.nl> wrote:
>
> I am working on an I-D that allocates a new RRtype in DNS, named
> KREALM.  This RR is meant to store Kerberos realm descriptions in DNS;
> this has hitherto been desired but impossible to do securely, but
> nowadays the broad acceptance of DNSSEC permits this facility.

Why not use the HINFO RDATA format to store the tag/value pairs? No need
for embedding the sequence in the RDATA since RRsets already provide that.
No need to embed a version number since RRtypes provide that.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Viking, North Utsire: Easterly 4 or 5, increasing 6 at times. Slight or
moderate, but rough in southwest Viking. Showers later. Good, occasionally
poor later.

v2.23.0 | Report a Bug | By Email