Re: [DNSOP] I-D Action: draft-ietf-dnsop-svcb-https-01.txt
Mark Andrews <marka@isc.org> Tue, 14 July 2020 00:03 UTC
Return-Path: <marka@isc.org>
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 7BBA63A081B for <dnsop@ietfa.amsl.com>; Mon, 13 Jul 2020 17:03:42 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.899
X-Spam-Level:
X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-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 18MgFxTsgWh1 for <dnsop@ietfa.amsl.com>; Mon, 13 Jul 2020 17:03:41 -0700 (PDT)
Received: from mx.pao1.isc.org (mx.pao1.isc.org [IPv6:2001:4f8:0:2::2b]) (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 89B8A3A0800 for <dnsop@ietf.org>; Mon, 13 Jul 2020 17:03:41 -0700 (PDT)
Received: from zmx1.isc.org (zmx1.isc.org [149.20.0.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx.pao1.isc.org (Postfix) with ESMTPS id 5933D3AB0B1 for <dnsop@ietf.org>; Tue, 14 Jul 2020 00:03:41 +0000 (UTC)
Received: from zmx1.isc.org (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTPS id 50336160047 for <dnsop@ietf.org>; Tue, 14 Jul 2020 00:03:41 +0000 (UTC)
Received: from localhost (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTP id 3F664160085 for <dnsop@ietf.org>; Tue, 14 Jul 2020 00:03:41 +0000 (UTC)
Received: from zmx1.isc.org ([127.0.0.1]) by localhost (zmx1.isc.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id bxFx3eZPvP56 for <dnsop@ietf.org>; Tue, 14 Jul 2020 00:03:41 +0000 (UTC)
Received: from [1.0.0.3] (unknown [49.2.181.130]) by zmx1.isc.org (Postfix) with ESMTPSA id C4904160047 for <dnsop@ietf.org>; Tue, 14 Jul 2020 00:03:40 +0000 (UTC)
From: Mark Andrews <marka@isc.org>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.5\))
Date: Tue, 14 Jul 2020 10:03:36 +1000
References: <159467255037.715.11891218110803113785@ietfa.amsl.com>
To: dnsop WG <dnsop@ietf.org>
In-Reply-To: <159467255037.715.11891218110803113785@ietfa.amsl.com>
Message-Id: <F9BB7255-82D7-402C-9FB1-BA4EEB359B58@isc.org>
X-Mailer: Apple Mail (2.3445.9.5)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/GQFf4ckTsc0CT9nx5IYHBdc3888>
Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-svcb-https-01.txt
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: Tue, 14 Jul 2020 00:03:42 -0000
Section 2.4.1. AliasMode paragraph 2. Why have "MUST NOT" here? The primary purpose of AliasMode is to allow aliasing at the zone apex, where CNAME is not allowed. In AliasMode, TargetName MUST be the name of a domain that has SVCB, AAAA, or A records. It MUST NOT be equal to the owner name, as this would cause a loop. Nameservers and clients need to detect loops regardless of the number of records that form the loop. All this does is force vendors to write additional code to detect this one sub-case of a loop. These are also the only RR types that need to have their owner names available to parse them. Mark -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
- [DNSOP] I-D Action: draft-ietf-dnsop-svcb-https-0… internet-drafts
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-svcb-htt… Mark Andrews
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-svcb-htt… Erik Nygren
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-svcb-htt… Ben Schwartz