Re: [hybi] Handshake was: The WebSocket protocol issues.

Simone Bordet <simone.bordet@gmail.com> Tue, 28 September 2010 18:29 UTC

Return-Path: <simone.bordet@gmail.com>
X-Original-To: hybi@core3.amsl.com
Delivered-To: hybi@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id E599C3A6D80 for <hybi@core3.amsl.com>; Tue, 28 Sep 2010 11:29:48 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.46
X-Spam-Level:
X-Spam-Status: No, score=-2.46 tagged_above=-999 required=5 tests=[AWL=0.139, BAYES_00=-2.599]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fbfctGG5egun for <hybi@core3.amsl.com>; Tue, 28 Sep 2010 11:29:48 -0700 (PDT)
Received: from mail-qw0-f44.google.com (mail-qw0-f44.google.com [209.85.216.44]) by core3.amsl.com (Postfix) with ESMTP id DED583A6B02 for <hybi@ietf.org>; Tue, 28 Sep 2010 11:29:47 -0700 (PDT)
Received: by qwc9 with SMTP id 9so4889670qwc.31 for <hybi@ietf.org>; Tue, 28 Sep 2010 11:30:29 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=nzNz6bjRO88Qp+Wq1WnPyRvXWUIaT0xFAvPnoh4K9EI=; b=E5dKdeHEztuG7IadTLMAfS9bQidCCp9pTgu78v19LIGrSqZPXeu4ya2piMYSAYSig2 enSaEnrE04KHVsC7C5704AS5+3up913Ts7fe4Rdq0RAzwSnpV0ofVO0DMwXNerFnn5+o xHh2pgRCnLtDKNSlSrUz0DUIZypflMhOSNvXQ=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=B1aCbocmqR6qqH5KqnlQQladoobltEBihZIEZTEEFapjJQKz6kOtgCwaEryYOLF6P2 v4wf2ty+go44diVy4HT3Sr+4X6b+Bh3yb6HBsy7Xba87PhJXn9FuVVYwZz2st7AzATho lroX4v0fST39m4pkM1EmHYGPbjFkzYAghOzIs=
MIME-Version: 1.0
Received: by 10.229.186.137 with SMTP id cs9mr265010qcb.71.1285698628663; Tue, 28 Sep 2010 11:30:28 -0700 (PDT)
Received: by 10.229.224.68 with HTTP; Tue, 28 Sep 2010 11:30:26 -0700 (PDT)
In-Reply-To: <AANLkTim+fXj-h6OS3OdcfVfh3Q1UwxD8NLVawb=AWHX+@mail.gmail.com>
References: <AANLkTikszM0pVE-0dpZ2kv=i=y5yzS2ekeyZxtz9N=fQ@mail.gmail.com> <62B5CCE3-79AF-4F60-B3A0-5937C9D291D7@apple.com> <AANLkTikKc+4q_Q1+9uDo=ZpFF6S49i6vj2agZOGWVqKm@mail.gmail.com> <E2D38FF3-F1B9-4305-A7FC-A9690D2AEB4A@apple.com> <AANLkTikRYB_suPmSdH3uzGmdynozECRszDx+BpUvtZ4h@mail.gmail.com> <5CBF797D-A58E-4129-96B3-164F6E7409B9@apple.com> <4CA0D0D2.4040006@caucho.com> <AANLkTinACqm-GxUPhvFMf6_sGfeJofwy1r=28o=vgM43@mail.gmail.com> <4CA12810.8020006@caucho.com> <AANLkTimrMfXrnVMjU3f57L_sO7usyYQ56rBM4aMb2Pfr@mail.gmail.com> <20100928052501.GD12373@1wt.eu> <CA8029B0-71A3-44ED-88C6-934FE833BBA2@apple.com> <AANLkTim+fXj-h6OS3OdcfVfh3Q1UwxD8NLVawb=AWHX+@mail.gmail.com>
Date: Tue, 28 Sep 2010 20:30:26 +0200
Message-ID: <AANLkTi=uhPL8_MWExoQ5nZSkd8gHxhAbPA8NLxcDo6J9@mail.gmail.com>
From: Simone Bordet <simone.bordet@gmail.com>
To: Greg Wilkins <gregw@webtide.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Cc: hybi <hybi@ietf.org>
Subject: Re: [hybi] Handshake was: The WebSocket protocol issues.
X-BeenThere: hybi@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: Server-Initiated HTTP <hybi.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/hybi>, <mailto:hybi-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/hybi>
List-Post: <mailto:hybi@ietf.org>
List-Help: <mailto:hybi-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/hybi>, <mailto:hybi-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 28 Sep 2010 18:29:49 -0000

Hi,

On Tue, Sep 28, 2010 at 11:36, Greg Wilkins <gregw@webtide.com> wrote:
> Maciej,
>
> taking our offline conversation back to the list (as you suggested), you said:
>
>> I don't think you identified any effective defenses other than inability
>> to send the intended form of the nonce (as a Sec- header).
>>
>> I would be glad to elaborate further on the list if that would be helpful.

The sentence is a bit out of context, but if you refer to elaborating
on the cross protocol fallacies or attack patterns that the proposed
non-NPN handshake are subject to, I am certainly interested.

Thanks,

Simon
-- 
http://bordet.blogspot.com
---
Finally, no matter how good the architecture and design are,
to deliver bug-free software with optimal performance and reliability,
the implementation technique must be flawless.   Victoria Livschitz