Re: [Doh] WG Review: DNS Over HTTPS (doh)

Mark Nottingham <mnot@mnot.net> Thu, 21 September 2017 11:41 UTC

Return-Path: <mnot@mnot.net>
X-Original-To: doh@ietfa.amsl.com
Delivered-To: doh@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4C9F4134AEB; Thu, 21 Sep 2017 04:41:15 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.72
X-Spam-Level:
X-Spam-Status: No, score=-2.72 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=mnot.net header.b=QWEHxwUi; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=kBNFLATG
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 9di5cB06dHHO; Thu, 21 Sep 2017 04:41:12 -0700 (PDT)
Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CB798134AF5; Thu, 21 Sep 2017 04:41:09 -0700 (PDT)
Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id DBBEE20D58; Thu, 21 Sep 2017 07:41:08 -0400 (EDT)
Received: from frontend2 ([10.202.2.161]) by compute3.internal (MEProxy); Thu, 21 Sep 2017 07:41:08 -0400
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mnot.net; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc:x-sasl-enc; s=fm1; bh=IYVFAnST+pvMgDH5Xj RccJU6vhtMCWlZEI6K6Vt3ojU=; b=QWEHxwUiXx55lhYKNDKVcyhKjAdeSYj56G 9zTnNX6XiYA5Ld+l9BjyaUH+c6ITYynxYuNa+BVtF9F85uON6PKGqM/fGC34ubkk +ikVGC4maECWNVWpab2ehkHharjGBwdH+5a2RUfbg36P5GH54+NYw6m3TudpSj5J YyKoZdafoRjCMov9QJd5n7lf27VZ/Nsv0souk9naxzp38EiApmhcsN4tFgG2fWRT GvyUqOdhYETMMik7yuiNeZ/wUTWe+z7gnfJ3f0lwUmBUItlvJ7rrDr0YU8wN1cbY KI+b0rPjFAGATnhHjEKZEWtpZG8A1/wXBSqNAL95VTpR8nXBTM8g==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s= fm1; bh=IYVFAnST+pvMgDH5XjRccJU6vhtMCWlZEI6K6Vt3ojU=; b=kBNFLATG bITxCGxkbrhU9dF8h0TYXZK+A2aUDIQJ7/DXHIDRsKp1HGVPBdeEJTQmzyw450Gt rcevas6j0sYf+aP/yWpGiBJoDR9enjmUWnMHyNC1Gb3oC8V0zNiVhlaWl9HjU8xz D8X5MgDzKHnIqMydttrxgKNaWJLKbwELkH4xAlTs5OXeJymSk/6pEaveL1JA8MZD 7OpnEKIw5WA/VmG8V9ER8YIBengNUdMBNWZ/5e4FAGT7HzHtebBjNsRPk4U7AJyU /n3dK5s+/NZ7Ct4ezPDhtTWbSp6vAzhxTOJmVJ4tgoBpFraPZi2AookKVt+eXnrB tnp4PbXKqCcRYQ==
X-ME-Sender: <xms:VKXDWfRVXf3iJEJNudHoiSmfAYtWEz99BsUSm34QJ8s1CMoopCqggw>
X-Sasl-enc: 27A5CWka7o+IEi6GLUzOEdwC8QXJ2KhR/Mfd/MlQkYoG 1505994068
Received: from [192.168.1.25] (cpe-124-188-19-231.hdbq1.win.bigpond.net.au [124.188.19.231]) by mail.messagingengine.com (Postfix) with ESMTPA id 7673F2436A; Thu, 21 Sep 2017 07:41:07 -0400 (EDT)
Content-Type: text/plain; charset="us-ascii"
Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
From: Mark Nottingham <mnot@mnot.net>
In-Reply-To: <5e9cb711-d798-c6b9-d6c3-c7619bcbadd7@cisco.com>
Date: Thu, 21 Sep 2017 21:41:02 +1000
Cc: Adam Roach <adam@nostrum.com>, IETF <ietf@ietf.org>, doh@ietf.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <2E3B3E8E-7C8D-4662-B5C8-D11C390EE5ED@mnot.net>
References: <150549029332.2975.12341647131707994474.idtracker@ietfa.amsl.com> <20170920151458.GA22670@faui40p.informatik.uni-erlangen.de> <eaadc24d-6150-2396-64b6-708266de1c69@nostrum.com> <c06bfd5a-743a-aa9f-68b4-4a60badc8bed@cisco.com> <a34c98e2-7129-1d1a-947b-20cafa236119@nostrum.com> <5e9cb711-d798-c6b9-d6c3-c7619bcbadd7@cisco.com>
To: Eliot Lear <lear@cisco.com>
X-Mailer: Apple Mail (2.3273)
Archived-At: <https://mailarchive.ietf.org/arch/msg/doh/dAQR1gJF3OSGRpP69H24ynfIFtg>
Subject: Re: [Doh] WG Review: DNS Over HTTPS (doh)
X-BeenThere: doh@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: DNS Over HTTPS <doh.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/doh>, <mailto:doh-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/doh/>
List-Post: <mailto:doh@ietf.org>
List-Help: <mailto:doh-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/doh>, <mailto:doh-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 21 Sep 2017 11:41:15 -0000

On 21 Sep 2017, at 7:28 pm, Eliot Lear <lear@cisco.com> wrote:
> 
> You still don't have a reasonable answer for discovery.

Discovery isn't necessary for the primary use case -- user-driven configuration of their browser.

We can specify a DHCP option, but since it won't have any qualitative benefits over "normal" DHCP-configured DNS, I suspect it will get almost no implementation or deployment. So it's effectively busy work for the WG.


--
Mark Nottingham   https://www.mnot.net/