Re: [DNSOP] SIG(0) useful (and used?)

Ondřej Surý <ondrej@isc.org> Tue, 19 June 2018 21:07 UTC

Return-Path: <ondrej@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 C3A56130F2B for <dnsop@ietfa.amsl.com>; Tue, 19 Jun 2018 14:07:45 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -5.921
X-Spam-Level:
X-Spam-Status: No, score=-5.921 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FROM_EXCESS_BASE64=0.979, RCVD_IN_DNSWL_HI=-5, 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 R86q2hPZHIe4 for <dnsop@ietfa.amsl.com>; Tue, 19 Jun 2018 14:07:44 -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 2E5E6130E09 for <dnsop@ietf.org>; Tue, 19 Jun 2018 14:07:44 -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 150CC3AB007; Tue, 19 Jun 2018 21:07:44 +0000 (UTC)
Received: from zmx1.isc.org (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTPS id D299F16008E; Tue, 19 Jun 2018 21:07:43 +0000 (UTC)
Received: from localhost (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTP id A805E16008D; Tue, 19 Jun 2018 21:07:43 +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 L67dJVsldQzH; Tue, 19 Jun 2018 21:07:43 +0000 (UTC)
Received: from [10.10.0.181] (40.20.broadband5.iol.cz [88.100.20.40]) by zmx1.isc.org (Postfix) with ESMTPSA id D60C0160053; Tue, 19 Jun 2018 21:07:42 +0000 (UTC)
Content-Type: text/plain; charset=utf-8
Mime-Version: 1.0 (Mac OS X Mail 11.4 \(3445.8.2\))
From: =?utf-8?B?T25kxZllaiBTdXLDvQ==?= <ondrej@isc.org>
In-Reply-To: <alpine.DEB.2.11.1806192154190.916@grey.csi.cam.ac.uk>
Date: Tue, 19 Jun 2018 23:07:39 +0200
Cc: "dnsop@ietf.org WG" <dnsop@ietf.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <B47F8190-34B5-4F40-83D6-4CAB8A0C8EC3@isc.org>
References: <6C8533C2-6510-4A0E-A7EA-50EB83E43A7D@isc.org> <alpine.DEB.2.11.1806192154190.916@grey.csi.cam.ac.uk>
To: Tony Finch <dot@dotat.at>
X-Mailer: Apple Mail (2.3445.8.2)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/oMNhx3asJO0PJl0E1uKO-QYSNYU>
Subject: Re: [DNSOP] SIG(0) useful (and used?)
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.26
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, 19 Jun 2018 21:07:46 -0000

But is it really used like this? Or will it ever?

Ondrej
--
Ondřej Surý
ondrej@isc.org

> On 19 Jun 2018, at 23:04, Tony Finch <dot@dotat.at>; wrote:
> 
> Ondřej Surý <ondrej@isc.org>; wrote:
>> 
>> Do people think the SIG(0) is something that we should keep in DNS and
>> it will be used in the future or it is a good candidate for throwing off
>> the boat?
> 
> SIG(0) is the only DNS feature that (could) allow unauthenticated client
> access to an authenticated server, which would allow
> 
> * secure inteerface to resolver (maybe with SIG(0) + TKEY -> TSIG,
>  but now  probably better to use TLS or DoH)
> 
> * secure stealth secondaries (maybe TLS support would be better)
> 
> Tony.
> -- 
> f.anthony.n.finch  <dot@dotat.at>;  http://dotat.at/
> an equitable and peaceful international order