IETF Logo Mail Archive

Re: [TLS] Unfortunate current practices for HTTP over TLS

Michael D'Errico <mike-list@pobox.com> Wed, 19 January 2011 00:00 UTC

Return-Path: <mike-list@pobox.com>
X-Original-To: tls@core3.amsl.com
Delivered-To: tls@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 5DB1F28C0E1 for <tls@core3.amsl.com>; Tue, 18 Jan 2011 16:00:06 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[AWL=0.000, 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 gYnJ8fQ83IYw for <tls@core3.amsl.com>; Tue, 18 Jan 2011 16:00:04 -0800 (PST)
Received: from sasl.smtp.pobox.com (a-pb-sasl-sd.pobox.com [64.74.157.62]) by core3.amsl.com (Postfix) with ESMTP id 907433A6F57 for <tls@ietf.org>; Tue, 18 Jan 2011 16:00:04 -0800 (PST)
Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 5DBF83457; Tue, 18 Jan 2011 19:03:28 -0500 (EST)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=message-id :date:from:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; s=sasl; bh=Ft2wETDg5XPK B9AtcP8kgmgJPM4=; b=Vj8L19Dnn/RAGFx2D5qnHNtu+2D6juJU3Mg2sqQeQP2d YbHp1G0JnrzbewX7+IiEoD0cmCsOf35mj0d8MDHRPbQrS7fUtsu94Z/u1g1ekfeA LAIBF7eKtHMbkwnKdgXpk6GRRVYP9iRqre/uq9TlJ7dZ+M3GiCEl7VS7zgPINio=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=message-id:date :from:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; q=dns; s=sasl; b=NTpeLx wb1BAbP5xECqQeBMjViSl0Ww/q1XcmZCgOhNuClsDL7rRaTLhtbbQPxlVind+jia 8f9cuVA6hcqWyG0RE+myOAfwWSXe7uJBfjZksR+aeMtk2oAPgPfm3c0ZejG9BKgy t6g+d5M5OAXn595hhASX5UY3eZuOxwiMKCvx8=
Received: from a-pb-sasl-sd.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 4A77A3455; Tue, 18 Jan 2011 19:03:27 -0500 (EST)
Received: from iMac.local (unknown [24.234.114.35]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTPSA id AE9D03450; Tue, 18 Jan 2011 19:03:25 -0500 (EST)
Message-ID: <4D362A1E.9020509@pobox.com>
Date: Tue, 18 Jan 2011 16:02:38 -0800
From: Michael D'Errico <mike-list@pobox.com>
User-Agent: Thunderbird 2.0.0.21 (Macintosh/20090302)
MIME-Version: 1.0
To: Adam Langley <agl@google.com>
References: <AANLkTikX_9F9z0n1wfeAGX0W5ZcSupeK9v2UGO9D9KPp@mail.gmail.com>
In-Reply-To: <AANLkTikX_9F9z0n1wfeAGX0W5ZcSupeK9v2UGO9D9KPp@mail.gmail.com>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
X-Pobox-Relay-ID: 8A71716A-235F-11E0-928C-BC4EF3E828EC-38729857!a-pb-sasl-sd.pobox.com
Cc: tls@ietf.org
Subject: Re: [TLS] Unfortunate current practices for HTTP over TLS
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.9
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/listinfo/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/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, 19 Jan 2011 00:00:06 -0000

Adam Langley wrote:
> 
> 3.  Protocol Fallback
> 
>    Lastly, some servers will negotiate the use of SSLv3 but select a
>    TLS-only cipher suite.

Which cipher suites do you consider to be TLS-only?

Mike

v2.23.0 | Report a Bug | By Email