Re: [DNSOP] DNSOP Call for Adoption - draft-west-let-localhost-be-localhost

Petr Špaček <petr.spacek@nic.cz> Tue, 10 October 2017 09:12 UTC

Return-Path: <petr.spacek@nic.cz>
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 8E593134B2D for <dnsop@ietfa.amsl.com>; Tue, 10 Oct 2017 02:12:40 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -7
X-Spam-Level:
X-Spam-Status: No, score=-7 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_HI=-5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nic.cz
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 kYH28kNG-0J5 for <dnsop@ietfa.amsl.com>; Tue, 10 Oct 2017 02:12:35 -0700 (PDT)
Received: from mail.nic.cz (mail.nic.cz [IPv6:2001:1488:800:400::400]) (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 0A382134B29 for <dnsop@ietf.org>; Tue, 10 Oct 2017 02:12:34 -0700 (PDT)
Received: from [IPv6:2001:1488:fffe:6:31:37ff:fe20:4a03] (unknown [IPv6:2001:1488:fffe:6:31:37ff:fe20:4a03]) by mail.nic.cz (Postfix) with ESMTPSA id 5FEAD60114 for <dnsop@ietf.org>; Tue, 10 Oct 2017 11:12:32 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1507626752; bh=OgmP37ppmM/SjJlUM7qO2K+Ou51GZk2gMu3Uxw/laCE=; h=To:From:Date; b=LCLcDdBeJiF/+xP7HhnwogvOzfr3xSvoNNa2FSVq9PnrIq7UQDXze3grg4yXRo7GJ JYJgF0X5OwjrPQHmLEMKHuZKal5cuosgKXp/bqMLxvyFbYuCIv3X5gkc2lkP0WFH2D /vF2OcEU9B74XR3SSN6UKKBhfRS0oqTBj6jnlHi8=
To: dnsop@ietf.org
References: <20170911013510.17202.qmail@ary.lan> <yblr2vcxzjn.fsf@w7.hardakers.net> <CAHw9_iKYefDLxbDBv7FAzqJyjgVpJHhkxqPbms8oHe2knOX6tA@mail.gmail.com> <bdfd5d78-4e04-f8d1-f653-f3859cfe999a@eff.org>
From: =?UTF-8?B?UGV0ciDFoHBhxI1law==?= <petr.spacek@nic.cz>
Organization: CZ.NIC
Message-ID: <89a93742-2917-2125-df8f-b14905218d0f@nic.cz>
Date: Tue, 10 Oct 2017 11:12:32 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0
MIME-Version: 1.0
In-Reply-To: <bdfd5d78-4e04-f8d1-f653-f3859cfe999a@eff.org>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
X-Virus-Scanned: clamav-milter 0.99.2 at mail
X-Virus-Status: Clean
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/WKEVFfPbRtVE6t8RrMySeSBV8z0>
Subject: Re: [DNSOP] DNSOP Call for Adoption - draft-west-let-localhost-be-localhost
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: Tue, 10 Oct 2017 09:12:41 -0000


On 9.10.2017 22:20, Jacob Hoffman-Andrews wrote:
> On 10/09/2017 01:16 PM, Warren Kumari wrote:
>> So, that's my (new) views, and the thread seemed to have stalled. I
>> believe that the security implications of having  localhost queries
>> leak into the DNS is bad, and there is significant evidence that this
>> is happening. I get that there is no answer that will make everyone
>> happy, but now that we've had some time to mull over this, where did
>> we end up?
> My feeling of the list is that your view matches the rough consensus:
> stub resolvers are responsible for resolving localhost to 127.0.0.1, and
> queries for localhost should not hit the network, as described in the draft.

I agree, consider it as one data point in your "rough consensus" estimation.

-- 
Petr Špaček  @  CZ.NIC