IETF Logo Mail Archive

Re: [TLS] Mirja Kühlewind's No Objection on draft-ietf-tls-dnssec-chain-extension-06: (with COMMENT)

Shumon Huque <shuque@gmail.com> Wed, 21 February 2018 16:00 UTC

Return-Path: <shuque@gmail.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B553A12E89D; Wed, 21 Feb 2018 08:00:28 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.699
X-Spam-Level:
X-Spam-Status: No, score=-2.699 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.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 ahr2zoYFBGON; Wed, 21 Feb 2018 08:00:27 -0800 (PST)
Received: from mail-io0-x22c.google.com (mail-io0-x22c.google.com [IPv6:2607:f8b0:4001:c06::22c]) (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 2988712E8AC; Wed, 21 Feb 2018 08:00:27 -0800 (PST)
Received: by mail-io0-x22c.google.com with SMTP id m22so2609034iob.12; Wed, 21 Feb 2018 08:00:27 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Nm5c4pCNhKyB0JvWlvKUpTou/yU4bfvjsag3n6UoEfA=; b=eFsi8lH4O2XGO5WRCzcH3ZKjGujtBbIoqm6B0Nn+NcUFjJCvMfMPACaUb2CBAmh+lB gyU9RTBn/hBdlyQjWtlnWsltKYhHItB/1RxSTWIaszV3LobKWTwTjkUcmMX/jKMhDcA9 WaQGP4pXyqLEnscZceIZaEbvV3eaoxZEf8+ChUIkiACclo/+HcvWsxJoDQGygiPO+5V4 LT7/5YSK52H+HC564I7kDdKrs3nc4gX2Z4c4UkzYQx5j2EjTZi9PCWWRIO/xIhUjZRmL sCkegsHVhqxxkqR/wJCZhzqaYShWD69wnyYR4P8zm+FYYon/aNqKu+258PEdrAYV9QCT SLLg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Nm5c4pCNhKyB0JvWlvKUpTou/yU4bfvjsag3n6UoEfA=; b=To/HxMdI4l4W138/wnt3cdoarf/vXt42BN1M74/EKgKA7F6DaZyQbeDwKNpVQ6fRmJ upW86FNwUozcASk8K+uetd9/IhgujlHv93KPtqCOn7I6aut6FOoEThLMx2dgfJR7yTpz 1oFuLk2Z66kW/SaNSBwbsTYAKwHvLpSdjGj0y7ltyCym9t1N3ZEQ+MxhQbLY0yps2vRD 7CKfyVFdO1t+5v09EyY0BGd0Kj6TVMTymy+tZppehtAH/IrEtdko5Mvsa148wShGnHZe RB9tQ5EJ697Jld+EaMgpfswqt7t+qm7E4rpb22Qe5oHDElerTXnFIT5ZHcoGREVUeD3j fUqQ==
X-Gm-Message-State: APf1xPA/FT22G1pQtxdFNBMm/OL7UkOEEv6q7mCmuVH88K2HtO/kMG0Y J8BhCAEEv3FN5ChcDTBlUq2izqmXS+QDxXRT+zQ=
X-Google-Smtp-Source: AH8x226VtGsi5QRZUXsYgrsoKGJYxShZRtO8MFpuyG28dEj54r2hO2bgbrQnMmdjpo6D3KCu6BMna94Zo5vcW+WAsYA=
X-Received: by 10.107.53.231 with SMTP id k100mr5106763ioo.292.1519228826055; Wed, 21 Feb 2018 08:00:26 -0800 (PST)
MIME-Version: 1.0
Received: by 10.79.201.198 with HTTP; Wed, 21 Feb 2018 08:00:25 -0800 (PST)
In-Reply-To: <CABkgnnXk7GNSHDZexSrryF6bepG3Zu5FZi6Nzi+gFxbh39-saw@mail.gmail.com>
References: <151800968634.4877.12510609339415982154.idtracker@ietfa.amsl.com> <CAHPuVdWO1LqNBK_f4xxcgP5PLQGDw1OMJiymf3jWXSDftP07+A@mail.gmail.com> <4c90bb83-5ba1-8193-df67-38e25f76caf8@nlnetlabs.nl> <CAHPuVdUVrzwNZDYktnztxuWQ-6yt+vT1aU76D1mL9rm3N3PJFw@mail.gmail.com> <CAHbuEH7aoiBK3vbH77Qdmiu6+ULS5VyefNydpkwM6MV=SmHdEA@mail.gmail.com> <CABkgnnXk7GNSHDZexSrryF6bepG3Zu5FZi6Nzi+gFxbh39-saw@mail.gmail.com>
From: Shumon Huque <shuque@gmail.com>
Date: Wed, 21 Feb 2018 11:00:25 -0500
Message-ID: <CAHPuVdXW3avaLVOcsBJXU+P0-Ow+60mKbs1OjLswBZdAAEFNzA@mail.gmail.com>
To: Martin Thomson <martin.thomson@gmail.com>
Cc: Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>, draft-ietf-tls-dnssec-chain-extension@ietf.org, The IESG <iesg@ietf.org>, Mirja Kühlewind <ietf@kuehlewind.net>, tls-chairs <tls-chairs@ietf.org>, TLS WG <tls@ietf.org>
Content-Type: multipart/alternative; boundary="001a1144a15882838d0565bb06ff"
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/C_dH8W106aNDKRgdu4HSadI33XA>
Subject: Re: [TLS] Mirja Kühlewind's No Objection on draft-ietf-tls-dnssec-chain-extension-06: (with COMMENT)
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 21 Feb 2018 16:00:29 -0000

On Tue, Feb 13, 2018 at 5:50 PM, Martin Thomson <martin.thomson@gmail.com>
wrote:

> On Wed, Feb 14, 2018 at 4:07 AM, Kathleen Moriarty
> <kathleen.moriarty.ietf@gmail.com> wrote:
> > What's the behavior when the middlebox is a proxy, let's say existing
> > a managed network?  I presume from from section 3.1 that this
> > negotiation doesn't work in that instance unless sites configured for
> > this are not subject to the proxy as is often done for financial site
> > access from corporate networks.  It would be good to know if it does
> > work and that is addressed with the text Mirja calls out for her #1
> > question.  Having this clarified could be helpful.
>
> If there is a MitM, then this extension simply isn't negotiated.
> That's pretty well understood.  I don't see why that requires special
> mention.
>

Yeah, I agree Martin .. this is the same as with any other extension.

Shumon.

v2.46.0 | Report a Bug | By Email | System Status