Re: [TLS] draft-green-tls-static-dh-in-tls13-01

Roland Zink <roland@zinks.de> Sat, 15 July 2017 19:43 UTC

Return-Path: <roland@zinks.de>
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 57112128B8F for <tls@ietfa.amsl.com>; Sat, 15 Jul 2017 12:43:19 -0700 (PDT)
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, RCVD_IN_DNSWL_LOW=-0.7, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=zinks.de
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 6C9mFXZLV2Ug for <tls@ietfa.amsl.com>; Sat, 15 Jul 2017 12:43:17 -0700 (PDT)
Received: from mo6-p00-ob.smtp.rzone.de (mo6-p00-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5300::12]) (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 A097E127B73 for <tls@ietf.org>; Sat, 15 Jul 2017 12:43:17 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1500147795; l=629; s=domk; d=zinks.de; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version: Date:From:References:To:Subject; bh=kdkWdzXlF62eI39PVY14RjrTOy0MIPyUwi4eUsq3cL4=; b=bkogzL/plHXJsiD4X9dPKmZd9rJRWnwm+njKJH9JlJ+w1lFQrrpPF2PuwGXA/RdD++ HP1DD0NHie51Iz/Y/XqQfmTWRH2ckcSmv842q5r2CWYh81tUcsae+Y4mCHykUWsIH9B8 cIjlOteJfovRVO6j7kNdkj/Bvcs62/FmIv2xQ=
X-RZG-AUTH: :PmMIdE6sW+WWP9q/oR3Lt+I+9KAK33vRJaCwLQNJWGoFaiZr7JphITAP
X-RZG-CLASS-ID: mo00
Received: from [10.10.10.91] (p5DCF5B04.dip0.t-ipconnect.de [93.207.91.4]) by smtp.strato.de (RZmta 41.1 DYNA|AUTH) with ESMTPSA id i04634t6FJhFoSn (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate) for <tls@ietf.org>; Sat, 15 Jul 2017 21:43:15 +0200 (CEST)
To: tls@ietf.org
References: <CAPCANN-xgf3auqy+pFfL6VO5GpEsCCHYkROAwiB1u=8a4yj+Fg@mail.gmail.com> <CAOjisRxxN9QjCqmDpkBOsEhEc7XCpM9Hk9QSSAO65XDPNegy0w@mail.gmail.com> <CABtrr-XbJMYQ+FTQQiSw2gmDVjnpuhgJb3GTWXvLkNewwuJmUg@mail.gmail.com> <8b502340b84f48e99814ae0f16b6b3ef@usma1ex-dag1mb1.msg.corp.akamai.com> <87o9smrzxh.fsf@fifthhorseman.net> <CAAF6GDc7e4k5ze3JpS3oOWeixDnyg8CK30iBCEZj-GWzZFv_zg@mail.gmail.com> <54cdd1077ba3414bbacd6dc1fcad4327@usma1ex-dag1mb1.msg.corp.akamai.com>
From: Roland Zink <roland@zinks.de>
Message-ID: <5c725355-18a5-9eb1-4b3e-df18b0767872@zinks.de>
Date: Sat, 15 Jul 2017 21:43:16 +0200
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1
MIME-Version: 1.0
In-Reply-To: <54cdd1077ba3414bbacd6dc1fcad4327@usma1ex-dag1mb1.msg.corp.akamai.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/bxJAsUoZOTuF0ypYRhYrSbCqP6w>
Subject: Re: [TLS] draft-green-tls-static-dh-in-tls13-01
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: Sat, 15 Jul 2017 19:43:19 -0000

A cache may be hired by a user, origin or even a network operator to act 
as a "front" to the origin. Is it not a middlebox because of this? It is 
a question of definition if a CDN is in the middle or the endpoint :)

Roland



Am 15.07.2017 um 21:12 schrieb Salz, Rich:
>> On the public internet, it's increasingly common for traffic to be MITMd in the form of a CDN.
> A CDN is not a middlebox, it is not a MITM.  It is a site that the origin has hired to act as a "front" to it.
>
>
> _______________________________________________
> TLS mailing list
> TLS@ietf.org
> https://www.ietf.org/mailman/listinfo/tls