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

Jacob Hoffman-Andrews <jsha@eff.org> Mon, 09 October 2017 20:20 UTC

Return-Path: <jsha@eff.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 97AB113304B for <dnsop@ietfa.amsl.com>; Mon, 9 Oct 2017 13:20:30 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -5.102
X-Spam-Level:
X-Spam-Status: No, score=-5.102 tagged_above=-999 required=5 tests=[BAYES_20=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=eff.org
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 Gjzcc1DE_GAB for <dnsop@ietfa.amsl.com>; Mon, 9 Oct 2017 13:20:28 -0700 (PDT)
Received: from mail2.eff.org (mail2.eff.org [173.239.79.204]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C3042132924 for <dnsop@ietf.org>; Mon, 9 Oct 2017 13:20:28 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=eff.org; s=mail2; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject; bh=pyY9rQRwYdSPWBY2CwQNRnNKvZuFCVx+vqTrKXPbpQs=; b=jLH1AFvhEhUIxGutJ7shB+3od0/sDWQZBtkFI9PMhz/wTGWw13LPy75i7WbTm5UoBzZDG3EwMWaqS0zhjtlr6PWrVv2THRzxpBWRffR0lM+hO9uG+HekcqJiYNksuWHzW00ufbhK2yiaVpYE4zYIWJPXzFqsSpSaeuVHyNNRz34=;
Received: ; Mon, 09 Oct 2017 13:20:25 -0700
To: Warren Kumari <warren@kumari.net>, Wes Hardaker <wjhns1@hardakers.net>
Cc: dnsop <dnsop@ietf.org>, John Levine <johnl@taugh.com>
References: <20170911013510.17202.qmail@ary.lan> <yblr2vcxzjn.fsf@w7.hardakers.net> <CAHw9_iKYefDLxbDBv7FAzqJyjgVpJHhkxqPbms8oHe2knOX6tA@mail.gmail.com>
From: Jacob Hoffman-Andrews <jsha@eff.org>
Message-ID: <bdfd5d78-4e04-f8d1-f653-f3859cfe999a@eff.org>
Date: Mon, 09 Oct 2017 13:20:27 -0700
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: <CAHw9_iKYefDLxbDBv7FAzqJyjgVpJHhkxqPbms8oHe2knOX6tA@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Content-Language: en-US
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/6vb1WPDPf4dCa_TrXlsGNci9s-g>
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: Mon, 09 Oct 2017 20:20:30 -0000

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.