Re: [DNSOP] A new version of mixfr

Frederico A C Neves <fneves@registro.br> Thu, 29 March 2018 18:00 UTC

Return-Path: <fneves@registro.br>
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 8A02212D86A for <dnsop@ietfa.amsl.com>; Thu, 29 Mar 2018 11:00:24 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.91
X-Spam-Level:
X-Spam-Status: No, score=-6.91 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, 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 s92Yb2tyIVm1 for <dnsop@ietfa.amsl.com>; Thu, 29 Mar 2018 11:00:21 -0700 (PDT)
Received: from clone.registro.br (clone.registro.br [200.160.2.4]) (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 51A4E1200C5 for <dnsop@ietf.org>; Thu, 29 Mar 2018 11:00:21 -0700 (PDT)
Received: by clone.registro.br (Postfix, from userid 1000) id C113D2763E9; Thu, 29 Mar 2018 15:00:18 -0300 (BRT)
Date: Thu, 29 Mar 2018 15:00:18 -0300
From: Frederico A C Neves <fneves@registro.br>
To: Matthijs Mekking <matthijs@pletterpet.nl>
Cc: dnsop@ietf.org
Message-ID: <20180329180018.GD62218@registro.br>
References: <d7c4fc25-9d4b-d934-bad3-61e7b8364ca2@pletterpet.nl> <20180328150651.GQ62218@registro.br> <da942f70-c822-81c3-3355-d6f453b8ee6c@pletterpet.nl>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <da942f70-c822-81c3-3355-d6f453b8ee6c@pletterpet.nl>
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/hoczu2N22K-A3C52iiOxvS5mQQw>
Subject: Re: [DNSOP] A new version of mixfr
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: Thu, 29 Mar 2018 18:00:24 -0000

On Wed, Mar 28, 2018 at 05:43:15PM +0200, Matthijs Mekking wrote:
...
> > One comment,
> > 
> > [3.1] As section 3 states that MIXFR is DNSSEC aware we need text
> > regarding NSEC3PARAM update as well.
> > 
> > For that I suggest to change 3.1 section name and include an extra
> > paragraph.
> > 
> > 3.1 Implicit DNSSEC deletions
> > 
> > When an NSEC3PARAM is modified, the MIXFR client MUST also remove all
> > existing NSEC3 records on the zone.
> 
> I agree that with the current syntax NSEC3 resalting is still a hassle. 
> But I am not sure if this implicit NSEC3 deletion is the right solution: 
> One can have multiple chains in the zone, the NSEC3PARAM just signals 
> that the chain is complete. Signers may have incomplete chains as an 
> intermediate step of NSEC3 resalting.
> 
> I shall add a GitHub issue for this. Thanks for bringing it up!

This is documented at issue #8 with an updated proposed text after
discussion down this thread.

https://github.com/matje/mixfr/issues/8

Fred