Re: [dns-privacy] Adaptive DNS Privacy and Oblivious DoH

Stephane Bortzmeyer <bortzmeyer@nic.fr> Sat, 02 November 2019 11:57 UTC

Return-Path: <bortzmeyer@nic.fr>
X-Original-To: dns-privacy@ietfa.amsl.com
Delivered-To: dns-privacy@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6219B1216A4 for <dns-privacy@ietfa.amsl.com>; Sat, 2 Nov 2019 04:57:25 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.899
X-Spam-Level:
X-Spam-Status: No, score=-6.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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 QWqT02A5y_2v for <dns-privacy@ietfa.amsl.com>; Sat, 2 Nov 2019 04:57:23 -0700 (PDT)
Received: from mx4.nic.fr (mx4.nic.fr [IPv6:2001:67c:2218:2::4:12]) (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 CF6B91214CD for <dns-privacy@ietf.org>; Sat, 2 Nov 2019 04:57:22 -0700 (PDT)
Received: from mx4.nic.fr (localhost [127.0.0.1]) by mx4.nic.fr (Postfix) with SMTP id E4E75280548; Sat, 2 Nov 2019 12:57:20 +0100 (CET)
Received: from relay01.prive.nic.fr (pa-th3.interco.nic.fr [192.134.4.74]) by mx4.nic.fr (Postfix) with ESMTP id DDEEB2804E8; Sat, 2 Nov 2019 12:57:20 +0100 (CET)
Received: from b12.nic.fr (b12.tech.ipv6.nic.fr [IPv6:2001:67c:1348:7::86:133]) by relay01.prive.nic.fr (Postfix) with ESMTP id D9DC7663E721; Sat, 2 Nov 2019 12:57:20 +0100 (CET)
Received: by b12.nic.fr (Postfix, from userid 1000) id CF96B3FF33; Sat, 2 Nov 2019 12:57:20 +0100 (CET)
Date: Sat, 02 Nov 2019 12:57:20 +0100
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: Tommy Pauly <tpauly=40apple.com@dmarc.ietf.org>
Cc: dns-privacy@ietf.org
Message-ID: <20191102115720.GA18365@nic.fr>
References: <F835A0C6-19DA-4728-B0B0-59A4C2F4F5F5@apple.com> <A5D68E26-0281-41BC-8709-2DC229647C1A@apple.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <A5D68E26-0281-41BC-8709-2DC229647C1A@apple.com>
X-Operating-System: Debian GNU/Linux 10.1
X-Kernel: Linux 4.19.0-6-amd64 x86_64
X-Charlie: Je suis Charlie
Organization: NIC France
X-URL: http://www.nic.fr/
User-Agent: Mutt/1.10.1 (2018-07-13)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dns-privacy/dP3SSo4l4_WWx1CkQrefVBJ0Hh4>
Subject: Re: [dns-privacy] Adaptive DNS Privacy and Oblivious DoH
X-BeenThere: dns-privacy@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <dns-privacy.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dns-privacy>, <mailto:dns-privacy-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dns-privacy/>
List-Post: <mailto:dns-privacy@ietf.org>
List-Help: <mailto:dns-privacy-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dns-privacy>, <mailto:dns-privacy-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 02 Nov 2019 11:57:25 -0000

On Fri, Nov 01, 2019 at 03:40:51PM -0700,
 Tommy Pauly <tpauly=40apple.com@dmarc.ietf.org> wrote 
 a message of 393 lines which said:

> We've posted new versions of our drafts on discovering designated DoH servers, and Oblivious DoH:

If you want to separate the knowledge of the source IP address and the
knowledge of the QNAME, I still don't understand what is the point of
Oblivious DoH when we can simply connect to the DoH resolver over
Tor. This really deserves an explanation in the draft.