IETF Logo Mail Archive

Re: [DNSOP] [Ext] unsolicited HTTPSSVC responses

Tony Finch <dot@dotat.at> Wed, 27 May 2020 23:54 UTC

Return-Path: <dot@dotat.at>
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 9297F3A0BD7; Wed, 27 May 2020 16:54:46 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.896
X-Spam-Level:
X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] 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 GZ6Ozh0HJfHU; Wed, 27 May 2020 16:54:45 -0700 (PDT)
Received: from ppsw-31.csi.cam.ac.uk (ppsw-31.csi.cam.ac.uk [131.111.8.131]) (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 18E2D3A0BD5; Wed, 27 May 2020 16:54:45 -0700 (PDT)
X-Cam-AntiVirus: no malware found
X-Cam-ScannerInfo: http://help.uis.cam.ac.uk/email-scanner-virus
Received: from grey.csi.cam.ac.uk ([131.111.57.57]:58616) by ppsw-31.csi.cam.ac.uk (ppsw.cam.ac.uk [131.111.8.137]:25) with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) id 1je5sa-000RsW-LL (Exim 4.92.3) (return-path <dot@dotat.at>); Thu, 28 May 2020 00:54:36 +0100
Date: Thu, 28 May 2020 00:54:36 +0100
From: Tony Finch <dot@dotat.at>
To: Paul Hoffman <paul.hoffman@icann.org>
cc: Eric Orth <ericorth=40google.com@dmarc.ietf.org>, dnsop <dnsop@ietf.org>
In-Reply-To: <D2203FC0-7D91-49DC-A238-0A49577C24D7@icann.org>
Message-ID: <alpine.DEB.2.20.2005280052550.18104@grey.csi.cam.ac.uk>
References: <CAMOjQcHAKC6ge2te8eqPz3JFmmLrpBoTSt2yKKxFXHpQEyjLqg@mail.gmail.com> <D2203FC0-7D91-49DC-A238-0A49577C24D7@icann.org>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/iI0-PlRETKs2riIrLH8tb_Dtk8g>
Subject: Re: [DNSOP] [Ext] unsolicited HTTPSSVC responses
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.29
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: Wed, 27 May 2020 23:54:47 -0000

Paul Hoffman <paul.hoffman@icann.org> wrote:
>
> Add where in the response? In the Answer section or in the Additional
> section? The semantics and usefulness are wildly different for those
> two.

We learned from DNAME that a lot of DNS software gets very upset if there
are unexpected records in the answer section. If you want to add
additional records they have to go in the additional section.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Lundy, Fastnet: Easterly 3 to 5, veering southeasterly 5 or 6 in southwest
Fastnet. Slight or moderate. Fair. Good.

v2.23.0 | Report a Bug | By Email