Re: [Uta] Benjamin Kaduk's No Objection on draft-ietf-uta-smtp-require-tls-09: (with COMMENT)

Jim Fenton <fenton@bluepopcorn.net> Fri, 02 August 2019 22:18 UTC

Return-Path: <fenton@bluepopcorn.net>
X-Original-To: uta@ietfa.amsl.com
Delivered-To: uta@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D40391200A4; Fri, 2 Aug 2019 15:18:47 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=bluepopcorn.net
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 Jp8h1J5NSFAj; Fri, 2 Aug 2019 15:18:46 -0700 (PDT)
Received: from v2.bluepopcorn.net (v2.bluepopcorn.net [IPv6:2607:f2f8:a994::2]) (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 33055120128; Fri, 2 Aug 2019 15:18:46 -0700 (PDT)
Received: from steel.local (sfosf0017s350801.wiline.com [64.71.6.2] (may be forged)) (authenticated bits=0) by v2.bluepopcorn.net (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id x72MIiv1009402 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Fri, 2 Aug 2019 15:18:45 -0700
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=bluepopcorn.net; s=supersize; t=1564784325; bh=Kr4fDzwUsmhQAyEfjPm9sejInzNzjuSLBaOCJBIHt0M=; h=Subject:To:Cc:References:From:Date:In-Reply-To; b=UwqeL9/l4drijiDiwNDK8AqiNxCzRdeGqiPHe1ZjgR5Iw2OQ/w26yr2cn7YHDnS3P CVJa1LaG12gqFYkfrgfBzieAL2rtf36bYMzp53ELkeWmKqWoJaNu+AZfbFBCaNxISS lQD+nEtkxKAI1ljOYnu4/0jzXTfOyLkv1/rrfQGw=
To: Benjamin Kaduk <kaduk@mit.edu>, The IESG <iesg@ietf.org>
Cc: draft-ietf-uta-smtp-require-tls@ietf.org, Valery Smyslov <valery@smyslov.net>, uta-chairs@ietf.org, uta@ietf.org
References: <156478360827.20869.9871138241170740997.idtracker@ietfa.amsl.com>
From: Jim Fenton <fenton@bluepopcorn.net>
Openpgp: preference=signencrypt
Autocrypt: addr=fenton@bluepopcorn.net; prefer-encrypt=mutual; keydata= mQINBFJNz0MBEADME6UoNSsTvSDJOdzL4yWfH4HTTOOZZPUcM/at38j4joeBb2PdatlwCBtk 9ZjupxFK+Qh5NZC19Oa6CHo0vlqw7V1hx1MUhmSPbzKRcNFhJu0KcQdniI8qmsqoG50IELXN BPI5OEZ3chYHpoXXi2+VCkjXJyeoqRNwNdv6QPGg6O1FMbB+AcIZj3x5U18LnJnXv1i+1vBq CxbMP43VmryPf8BLufcEciXpMEHydHbrEBZb/r7SBkUhdQXjxRNcWOLeYvOVUOOrr1c+jvqm DEbTWUJVRnUro/WpZQBffFnymR0jjkdAa8eOVl/nF2oMLbaBsOMvxCRSSEcGhuqwbEappNVT 1nuBTbkJT/GGcXxc+lEx9uNj86oYC4384VZJMTd1BRI4qPXImNZCIdmpKegK743B6xxN6Qh1 Tg167pn9429JENQE/AFIVX5B/gpsg7Aq+3rmz9H6GbfovPvFV3TBTgsHCHAMC8XU+S4fhcqN PN0lbUeyb7g6wxaE+dYqC7TExx7G3prw4v66y0qS7ow/Cfw8XXOEkaFQ4XwP7nvfILT+9CcU yS8I40vlDFU9Wnt56CbGz0ZVQgHnwyPXL+S9kCcIwRLFx1M79s6T6qwX1TXadfpbi1uIw7XG TiPDT8Pk6i2y22oSSROyYD4D+wOhVkkvO0S8iZ3+LhAYUx86nwARAQABtCNKaW0gRmVudG9u IDxmZW50b25AYmx1ZXBvcGNvcm4ubmV0PokCVQQTAQIAPwIbAwYLCQgHAwIGFQgCCQoLBBYC AwECHgECF4AWIQS1nUkJe2fEXbvBaacbJaiwFdCfvgUCW4RXswUJCxkNcAAKCRAbJaiwFdCf vjdyD/wNUBktyTqGVI5JGE8TJX6+6bmq5HHJ/I+CgGNtyvjriNZdxZJ86L5Z7MIidBeUOXvl /DZK+1zvS/hq8oMe7rPMbSepHHdhMyVTBuWnUG3n48dYOMqQjttBxisauC9GXrejhDJeGP+y WDLRdkMs1h5M48MKpEHf69pvkb+CCewbJeJH3kpPc5Iv9lJEOM/SrGlR72RUsMHeBcc3ykPR CeW0MpXGKAo5QCRw51uvuy7jZdlxOrLMMvMSyqCVanaW2Iz8mXQKufahkDfjff/eBUgXSfxS L1H2ZUN8XeyLttn6iei0Jqs1aSTmU1y0XxMM5k0rgA+3PoZrkgYTSvVBQMhE+sIyeoiB9oat 5h7M7nZBXc4LQTEwMFCamE4GIaSkpLFwBBwZwPa487XKnPbGV6zr7sYEzDaCvkQGJdfw6NqA 5IxLgmAoCAWnp3h26OtUJ0lmgpRy/Vy4yinbVAvkBq1CB1gRlNDYn0Ton06Bz0ltSpBTWTzj m6zvnA2JLzyFrTc30PR22WD/m18/qgua7YCiP1xu88AsnY5HPgxDj88PDiiyuFftYHhSY0Dy nV+iz+NEPal/LaklqVmA1+l8qj/SPAdycbD/s2X6MHjPBamdBmzytuEZnv+LImPTkdswExLD AORVDaH2SYuznhFs7xZ/t1rB5Yo1l5eDGdTQ6KLsDLkCDQRSTc9DARAAwZaXYs3OzGlpqvSH 3HR9GjSzIeP0EmsBCjpfIdZbQBwQ3ZREiMGInNxV+xkdjLDg0ctrWzUCUe3plWe5NJkpjqm+ KMc7GKhyeWJ5MZRtVrh0VpFTqi8UwYPWumAYqE1y/U1me/zHpfG9EDwdSYqMkPF76Fy5W+vh ZP2ILKaY8qWSLyH8TPl5mFGBypfT8Q6UuzlRs2aTbsTtBX/qwH7gztMRJSjQtYo20AqCgBBH IA/0xV5qDH7CVYyKyPQ4tJLQ8/xyTysUS5fewrj8lZo/G9SaNtC3CEvrJYwyA0nvYB6+hJPM qMP/tyRXM/9XY3qO4Vxuc+m5fYbTZa5GYAZNNuB5dvqI1U0sFTWBEbpAeabqCQ40ZnFSj+t1 tBuwfj4ey/oJ78WRyg5+VTvPKRRubOmZcnzj5yfTS3VGxAZb4Nsj1S2f3KLP0Z+Cv4dt893I 2JWTChw7jA1omF0QTQaBq140n084PFndBHudrZ3cz+APC89iie2HQ4jGQldXZXnGySHnHlA+ WUyZ9wgOplW9F4Q/Lps1bnuh5VttPVpNfjX8hiV48al+b+ut4nfzXAripIRWF3TL72/6JqgE KNhRKyRn0S6BidieSyHWzqJR3Roi/YNTvyXyLh6i6jtByb3FbnhYf/9olobDpj0E+kTemLrw owre85gwupSphqlzVSUAEQEAAYkCPAQYAQIAJgIbDBYhBLWdSQl7Z8Rdu8FppxslqLAV0J++ BQJbhFZUBQkLF7qRAAoJEBslqLAV0J++wvgP/jPjfjH3zEGYhdv89B0vFsRIBDDZzJuMxZZL EW/FyqKqswTHt6HD2ScuiGNEsNWebKEZbj2+Y673KqWnBGMFuJovAzlLeNNxQToJq03pzm/9 4A0ePYk9xzrMgtW+DEUemWElvMbSwZYid8Zj4lAx+U/X6Dh7HPSTx8DO4BKRA4cLrASOaUuS /w8/2eTXNEJssqc8Shwq6bNO5cPXrjb/qJgbb/MOLp0Nn1vNIPjoi/88910pyOV9chYJJFRX zOofGwaRjvcO55X57lveBrNEgH453EHa7QAHL4wD2dbCd445YOPkn0mBNJe3Un5JTsi6IQaK NHUMfwTWrVWN8RapFaPv6YXVBEvpA13G88TFkR5UHlz6YEUMATmgJQpmTFRkPYT0DTEbL4/O ywFgqMzmY1ojKV/Z6iWCAHqVnyFr6NtTFmT/qkOtb933YWJZW6Pg/Us2rZHro7uvQ/bf7Uxb vkn4lX+VneDBjsk3RPnHO/6k8lY2xQ343O7QOedSkM6rJpB9IbgXvHJNJfAWV+L89ElZeKJr VNaQqAw/1uXM7s8MVc+qwoT+DN0jsdqkBcuBxnbYeyM/8X6wcZHopV74r7SAbH4TrtjcBft5 nyM0UroVaEXvJxLzL3kQTsHIiDtGVuYwDTHzVl9591fuyEe0cYZVP2WckXcuM7EUn4CPBUYJ
Message-ID: <b1cf0b07-03fc-61f9-d3e6-add909c1217f@bluepopcorn.net>
Date: Fri, 02 Aug 2019 15:18:39 -0700
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.8.0
MIME-Version: 1.0
In-Reply-To: <156478360827.20869.9871138241170740997.idtracker@ietfa.amsl.com>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Content-Language: en-US
Archived-At: <https://mailarchive.ietf.org/arch/msg/uta/Au34iaZkDdpXm1Tu0IsmiWkRkB8>
Subject: Re: [Uta] Benjamin Kaduk's No Objection on draft-ietf-uta-smtp-require-tls-09: (with COMMENT)
X-BeenThere: uta@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: UTA working group mailing list <uta.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/uta>, <mailto:uta-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/uta/>
List-Post: <mailto:uta@ietf.org>
List-Help: <mailto:uta-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/uta>, <mailto:uta-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 02 Aug 2019 22:18:48 -0000

On 8/2/19 3:06 PM, Benjamin Kaduk via Datatracker wrote:

> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Thank you for resolving my Discuss points!
>
> I do think the added text in Section 4.2.1 about DNS-ID/CN-ID should
> probably be clarified that it only applies to the RFC 6125 procedures and
> not the RFC 7672 ones.


Thanks for your review.

Since RFC 7672 (section 1.1, definition of "Reference identifier") calls
out the use of use of CN-ID if no DNS-ID (subjectAltName of type
dNSName) is present, I don't really see a conflict between the wording
in the draft and 7672. Or is the concern that we shouldn't be allowing
the use of CN-ID if DNS-ID is present?

I have always thought that the "alternative" nature of subjectAltName
means that those names are allowed to be used in addition to commonName,
but I guess that isn't really the way things work.

-Jim