Re: (short version) Re: Last Call: <draft-faltstrom-uri-10.txt> (The Uniform Resource Identifier (URI) DNS Resource Record) to Proposed Standard

Eliot Lear <lear@cisco.com> Fri, 27 February 2015 14:46 UTC

Return-Path: <lear@cisco.com>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 32CF91ACC81 for <ietf@ietfa.amsl.com>; Fri, 27 Feb 2015 06:46:07 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -14.511
X-Spam-Level:
X-Spam-Status: No, score=-14.511 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, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham
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 7dwpSjOaAWYn for <ietf@ietfa.amsl.com>; Fri, 27 Feb 2015 06:46:06 -0800 (PST)
Received: from aer-iport-1.cisco.com (aer-iport-1.cisco.com [173.38.203.51]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B86371A8902 for <ietf@ietf.org>; Fri, 27 Feb 2015 06:46:05 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1838; q=dns/txt; s=iport; t=1425048366; x=1426257966; h=message-id:date:from:mime-version:to:cc:subject: references:in-reply-to; bh=gHcptvEMDC5IECx1uq8dA/uaFmw83JGOW4TsDk/v5D8=; b=M3LFAXtXPTWh2Q0hmee+OOGp3sE1bJTk7CffX8Sxus9ssMBCN5Hkji2z eT1ddslA5uGAo61oFq075ba1+Qas4Zj+2QrDu+OxV3PthAigAKnGuWp70 hxY24aCHEDquDlE88JIh5oZAoZWOucmb3GxhVUrIq66Y0l2uShwgJVVnv Q=;
X-Files: signature.asc : 486
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0ARBQCEgvBU/xbLJq1bDoQggwrFBQKBbwEBAQEBAXyEEAEBBCNVARALGAkWBAcCAgkDAgECAUUGDQEFAgEBiCu9IJoMAQEBAQEBAQEBAQEBAQEBAQEBARmLEoRuB4JogUMBBJFVgS6GN4ZpjGgjgjJ/Pj0xgQQkgRsBAQE
X-IronPort-AV: E=Sophos;i="5.09,660,1418083200"; d="asc'?scan'208";a="363130743"
Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP; 27 Feb 2015 14:46:04 +0000
Received: from [10.61.169.189] ([10.61.169.189]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id t1REk3io008484; Fri, 27 Feb 2015 14:46:03 GMT
Message-ID: <54F0832A.4000409@cisco.com>
Date: Fri, 27 Feb 2015 15:46:02 +0100
From: Eliot Lear <lear@cisco.com>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.5.0
MIME-Version: 1.0
To: Sam Hartman <hartmans-ietf@mit.edu>
Subject: Re: (short version) Re: Last Call: <draft-faltstrom-uri-10.txt> (The Uniform Resource Identifier (URI) DNS Resource Record) to Proposed Standard
References: <20150127223859.28024.43756.idtracker@ietfa.amsl.com> <4257D8A3-0EFE-40E3-B0AD-8E23772B7693@mnot.net> <6F9BB11D-C224-4D7B-A06C-41EACBAAB4B2@netnod.se> <54C9DA42.5040901@cisco.com> <9EB44D8A-278B-42FC-A542-1C182AD43128@netnod.se> <A74A30F4D1214630918FD4CA@JcK-HP8200.jck.com> <20150223153757.GI1260@mournblade.imrryr.org> <20150223155241.GJ1260@mournblade.imrryr.org> <tsl8ufoh9ko.fsf@mit.edu> <20150224170209.GV1260@mournblade.imrryr.org> <54F03F38.9090601@cisco.com> <1ED9F633-40B1-4A90-85FE-14526C27A485@frobbit.se> <54F043F8.6090409@cisco.com> <tsl7fv35sez.fsf@mit.edu>
In-Reply-To: <tsl7fv35sez.fsf@mit.edu>
Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="0E6jKvAHQcstMjbh4B7m7vHS1t79AtsBD"
Archived-At: <http://mailarchive.ietf.org/arch/msg/ietf/6xCJbyhxCI4VkL6DK5m0LvX0GtU>
Cc: ietf@ietf.org, Patrik Fältström <paf@frobbit.se>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 27 Feb 2015 14:46:07 -0000


On 2/27/15 3:40 PM, Sam Hartman wrote:
>>>>>> "Eliot" == Eliot Lear <lear@cisco.com> writes:
>
>     Eliot> DNSSEC: it's not just for breakfast anymore.
>
> I've mentioned this before, but DNSSec is not really a complete answer
> here.
> DNSSec is only an appropriate answer when the set of DNS trust anchors
> are appropriate to the information being protected.
>
> Today, I expect for many applications that the information entered by
> the user will be validated against an application-specific set of trust
> anchors.  If DNS is trusted to make decisions about what my target
> security principal can be, then the DNS trust anchors become part of
> that trusted set.  For a number of enterprise applications that's really
> bad from a security standpoint.

You imply that somehow DNS has a separate decision process from the
application.  Why is that?

Eliot