Re: [mile] Eric Rescorla's Discuss on draft-ietf-mile-xmpp-grid-09: (with DISCUSS and COMMENT)

Peter Saint-Andre <stpeter@mozilla.com> Tue, 05 March 2019 03:41 UTC

Return-Path: <stpeter@mozilla.com>
X-Original-To: mile@ietfa.amsl.com
Delivered-To: mile@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D8CC1130EEC for <mile@ietfa.amsl.com>; Mon, 4 Mar 2019 19:41:14 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.001
X-Spam-Level:
X-Spam-Status: No, score=-2.001 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_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=mozilla.com
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 C2FBaYYL-rCL for <mile@ietfa.amsl.com>; Mon, 4 Mar 2019 19:41:13 -0800 (PST)
Received: from mail-it1-x12f.google.com (mail-it1-x12f.google.com [IPv6:2607:f8b0:4864:20::12f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E979A130EE6 for <mile@ietf.org>; Mon, 4 Mar 2019 19:41:12 -0800 (PST)
Received: by mail-it1-x12f.google.com with SMTP id 188so2315940itb.0 for <mile@ietf.org>; Mon, 04 Mar 2019 19:41:12 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mozilla.com; s=google; h=subject:to:cc:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=hrdblhV8+ymckaqNy5B4H7XmvtlGs56rdQ6oQ/r5Wxw=; b=MCgjnMB3/VuQtKzJ/XSLoaLwSiWmU/Ks8DtuC+9XmrjmpfKWzzeKByAu5aA5UzMrPC r85eFSwiFpjR3c/rxH+gFcYzV/qH2fhnJ3dV1zcYW2YJUzex4A8dMizedLtminrLWEzO fqjD3+04AxrTsnIvkv0nyJwxt4FCY2cKee3Io=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=hrdblhV8+ymckaqNy5B4H7XmvtlGs56rdQ6oQ/r5Wxw=; b=ElhRQE94oZlfyaZCEyCygybdwmlP2JjYsjpdUHqwhXwfPE7KfmLmEmB13l0Vsilrao 0ZO4mkd5MnUTp9PBU4eJbCwMmJyOd1pgvhY2FQ4txYcH9g3PFm1nu2TrGicZH/HMszPJ 1VIz2kmvnGC4Nawkun2s1LpIvLyajaEGJglUqJi/xyEOz+yd9/0knS/kieeRq4rp0Txm uEbWE7p3eG3Z2uUzdGfMcjsoagYoxn9DAPW/gGAjgXdRL4xKFSQR5/iipyDr+ApxFJBY ybabuiHVDi5nPsSljYGA8VxegMytNXDoVspJHbiJWEq3QYpdNT5kEJCTkch0DAHv5zKk 8HNA==
X-Gm-Message-State: APjAAAULv1v7odQUeZ/uVuOjXPW4wazYjneEGYJ9xaeK19F3kd/tk6/f HX6/MftxSEy3c181vi8myHPZcQ==
X-Google-Smtp-Source: APXvYqwBG0+zIB6lyw8vOlLXvUsgVNSzqvbeE6a9Bj8QIZVGoTuMtVzKwicgA7a1W8a4lS3oGX/b+w==
X-Received: by 2002:a24:3d0f:: with SMTP id n15mr1593104itn.1.1551757272176; Mon, 04 Mar 2019 19:41:12 -0800 (PST)
Received: from dragon.local ([76.25.3.152]) by smtp.gmail.com with ESMTPSA id b202sm4115388itb.36.2019.03.04.19.41.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Mar 2019 19:41:11 -0800 (PST)
To: "Nancy Cam-Winget (ncamwing)" <ncamwing@cisco.com>, Eric Rescorla <ekr@rtfm.com>, Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>
Cc: The IESG <iesg@ietf.org>, "mile@ietf.org" <mile@ietf.org>, "mile-chairs@tools.ietf.org" <mile-chairs@tools.ietf.org>, "draft-ietf-mile-xmpp-grid@ietf.org" <draft-ietf-mile-xmpp-grid@ietf.org>, "mile-chairs@ietf.org" <mile-chairs@ietf.org>
References: <154833770862.25104.14121457719973234955.idtracker@ietfa.amsl.com> <312B7C3D-8DFA-4539-9E31-E4B1E8ADDDE3@gmail.com> <CABcZeBOVJ0SScEYY0LHgJMf0MekNgYXbaxWy5E-rL16e-9m4vg@mail.gmail.com> <B0BD72B1-B6E3-428D-8A53-6D47A29928FD@cisco.com>
From: Peter Saint-Andre <stpeter@mozilla.com>
Openpgp: preference=signencrypt
Autocrypt: addr=stpeter@mozilla.com; prefer-encrypt=mutual; keydata= mQINBFonEf4BEADvZ+RGsJoOyZaw2rKedB9pBb2nNXVGgymNS9+FAL/9SsfcrKaGYSiWEz7P Lvc97hWH3LACFAHvnzoktv+4IWHjItvhdi9kUQ3Gcbahe55OcdZuSXXH3w5cHF0rKz9aYRpN jENqXM5dA8x4zIymJraqYvHlFsuuPB8rcRIV9SKsvcy14w9iRqu770NjXfE/aIsyRwwmTPiU FQ0fOSDPA/x2DLjed/GYHem90C5vF4Er9InMqH5KAMLnjIYZ9DbPx5c5EME4zW/d648HOvPB bm+roZs4JTHBhjlrTtzDDpMcxHq1e8YPvSdDLPvgFXDcTD4+ztkdO5rvDkbc61QFcLlidU8H 3KBiOVMA/5Rgl4lcWZzGfJBnwvSrKVPsxzpuCYDg01Y/7TH4AuVkv5Na6jKymJegjxEuJUNw CBzAhxOb0H9dXROkvxnRdYS9f0slcNDBrq/9h9dIBOqLhoIvhu+Bhz6L/NP5VunQWsEleGaO 3gxGh9PP/LMyjweDjPz74+7pbyOW0b5VnIDFcvCTJKP0sBJjRU/uqmQ25ckozuYrml0kqVGp EfxhSKVqCFoAS4Q7ux99yT4re2X1kmlHh3xntzmOaRpcZsS8mJEnVyhJZBMOhqE280m80ZbS CYghd2K0EIuRbexd+lfdjZ+t8ROMMdW5L51CJVigF0anyYTcAwARAQABtCdQZXRlciBTYWlu dC1BbmRyZSA8c3RwZXRlckBtb3ppbGxhLmNvbT6JAlQEEwEIAD4WIQQ1VSPTuPTvyWCdvvRl YYwYf2gUqQUCWicR/gIbIwUJCWYBgAULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRBlYYwY f2gUqdaREAChG8qU1853mP0sv2Mersns8TLG1ztgoKHvMXFlMUpNz6Oi6CjjaMNFhP7eUY4T D43+yQs7f4qCkOAPWuuqO8FbNWQ+yUoVkqF8NUrrVkZUlZ1VZBMQHNlaEwwu1CGoHsLoRohP SiZ0hpmGTWB3V6cDDK4KN6nl610WJbzE9LeKY1AxtePdJi2KM281U0Fz8ntij1jWu0gF2xU4 Sez46JDogHLWKgd0srauhcCVzZjAhiWrXp1+ryzSWYaZO8Kh8SnF1f4o6jtYikMqkxUaI5nX wvD3kNX4AMSkCAZfG7Jcfj/SLDojTcREgO87g7B9bcOOsHN4lj3lHoFV0aXpgPmjfIvAjJHu fHkXZAQAH8w0u9bgJqRn703+A4NPfLopnjegyhlNi7fQ3cMQV1H7Oj7WrB/pCcprx+1u/6Uq oTtDwWh1U5uVthVAI0QojpNWR08zABDX19TlGtVoeygaQV3CAEolxTiYQtCfVavUzUplCZ/t 3v4YiRov+NylflJd+1akyOs1IAgARf444BnoH1fotkpfXNOpp9wUXXwsQcFRdP7vpMkSCkc0 sxPNTVX3ei0QImp4NsrFdaep7LV3zEb3wkAp6KE5Qno4hVVEypULbvB0G6twNZbeRfcs2Rjp jnPb2fofvg2WhAKB20dnRfIfK8OKTD/P+JDcauJANjmekLkCDQRaJxH+ARAApPwkbOTChAQu jMvteb/xcwuL5JZElmLxIqvJhqybV7JknM+3ATyN0CTYQFvPTgIrhpk4zSn0A6pEePdK8mKK 5/aHyd7pr7rLEi1sI/X3UE8ld/E83MExksKrYbs0UX1wSQwYXU6g64KicnuP2Abqg+8wrQ18 1nPcZci9jJI75XVPnTdUpZD5aaQWGp7IJ06NTbiOk30I50ORfulgKoe4m3UfsMALFxIx3pJk oy76xC2tjxYGf+4Uq1M0iK3Wy655GrcwXq/5ieODNUcAZzvK5hsUVRodBq0Lq3g1ivQF4ba7 RQayDzlW6XgoeU49xnCr9XdZYnTnj4iaPmr2NtY6AacBwRz+bJsyugeSyGgHsnVGyUSMk8YN wZHvUykMjH21LLzIUX5NFlcumLUXDOECELCJwewui4W81sI5Sq/WDJet+iJwwylUX22TSulG VwDS+j66TLZpk1hEwPanGLwFBSosafqSNBMDVWegKWvZZVyoNHIaaQbrTIoAwuAGvdVncSQz ttC6KkaFlAtlZt3+eUFWlMUOQ9jxQKTWymyliWKrx+S6O1cr4hwVRbg7RQkpfA8E2Loa13oO vRSQy/M2YBRZzRecTKY6nslJo6FWTftpGO7cNcvbmQ6I++5cBG1B1eNy2RFGJUzGh1vlYo51 pdfSg0U1oPHBPCHNvPYCJ7UAEQEAAYkCPAQYAQgAJhYhBDVVI9O49O/JYJ2+9GVhjBh/aBSp BQJaJxH+AhsMBQkJZgGAAAoJEGVhjBh/aBSpAw0P/1tEcEaZUO1uLenNtqysi3mQ6qAHYALR Df3p2z/RBKRVx0DJlzDfDvJ2R/GRwoo+vyCviecuG2RNKmJbf1vSm/QTtbQMUjwut9mx6KCY CyKwniqdhaMBmjCfV2DB2MxxZLYMtDfx/2mY7vzAci7AkjC+RkSUByMEOkyscUydKC/ETdf9 tvI8GhTY/8Q7JSylS3lQA5pMUHiIf+KpSmqKZeBPkGc7nSKM1w1UKUvFAsyyVsiG6A/hWrTr 7tTQAl7YfjtOGE8n4IKGktvrT99bbh9wdWKZ5FdHUN9hx2Q8VP8+0lR1CH2laVFbEwCOv1vM W4cgQDLxwwpo1iOTdHBVtQDxlQ9hPMKVlB1KP9KjchxuiLc24wLmCjP3pDMml4LQxOYB34Eq cgPZ3uHvJZG309sb2wTMTWaXobWNI++ZrsRD5GTmuzF3kkx3krtrq6HI5NSaemxK6MTDTjDN Rj/OwTl0yU35eJXuuryB20GFOSUsxiw00I2hMGQ1Cy9L/+IW6Dvotd8O3LmKh2tFArzXaKLx /rZyGNurS/Go5YjHp8wdJOs7Ka2p1U31js24PMWO6hf6hIiY2WRUsnE6xZNhvBTgKOY6u0KT V6hTevFqEw7OAZDCWUoE2Ob2/oHGZCCMW5SLAMgp7eihF0kGf2S2CmpIFYXGb61hAD8SqSY7 Fn7V
Message-ID: <fab62f37-0294-7ae7-27cf-d6acd3b9d748@mozilla.com>
Date: Mon, 4 Mar 2019 20:41:09 -0700
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.5.1
MIME-Version: 1.0
In-Reply-To: <B0BD72B1-B6E3-428D-8A53-6D47A29928FD@cisco.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/mile/tk1Ckn6WDkD2CSFPgdnVzFR3SDY>
Subject: Re: [mile] Eric Rescorla's Discuss on draft-ietf-mile-xmpp-grid-09: (with DISCUSS and COMMENT)
X-BeenThere: mile@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Managed Incident Lightweight Exchange, IODEF extensions and RID exchanges" <mile.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mile>, <mailto:mile-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/mile/>
List-Post: <mailto:mile@ietf.org>
List-Help: <mailto:mile-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mile>, <mailto:mile-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 05 Mar 2019 03:41:15 -0000

Inline on one point.

On 3/4/19 12:04 PM, Nancy Cam-Winget (ncamwing) wrote:

>     > S 8.3.1.
>     >>  8.3.1.  Securing the XMPP-Grid Data Transfer Protocol
>     >>
>     >>     To address network attacks, the XMPP-Grid data transfer protocol
>     >>     described in this document requires that the XMPP-Grid
>     messages MUST
>     >>     be carried over TLS (minimally TLS 1.2 [RFC8446]) as described in
>     >>     [RFC6120] and updated by [RFC7590].  The XMPP-Grid Platform MUST
>     >
>     > Perhaps you should require 1.3 at this point?
> 
>     [NCW] As this is based on the current XMPP which uses TLS 1.2, I’m
>     not sure we can make such a recommendation?

I see no reason not to recommend TLS 1.3. RFC 6120 (updated by RFC 7590
and thus also RFC 7525) doesn't say you can't use something more modern
than 1.2, it just says to prefer 1.2 over earlier versions.

Peter