Re: [tcpm] rfc5961 and suggested updates.

Joe Touch <touch@strayalpha.com> Fri, 05 October 2018 00:29 UTC

Return-Path: <touch@strayalpha.com>
X-Original-To: tcpm@ietfa.amsl.com
Delivered-To: tcpm@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0570C129385 for <tcpm@ietfa.amsl.com>; Thu, 4 Oct 2018 17:29:56 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.988
X-Spam-Level:
X-Spam-Status: No, score=-1.988 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=strayalpha.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 4HwuadMI1mON for <tcpm@ietfa.amsl.com>; Thu, 4 Oct 2018 17:29:54 -0700 (PDT)
Received: from server217-3.web-hosting.com (server217-3.web-hosting.com [198.54.115.226]) (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 EC64B126F72 for <tcpm@ietf.org>; Thu, 4 Oct 2018 17:29:53 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=strayalpha.com; s=default; h=To:References:Message-Id:Cc:Date:In-Reply-To: From:Subject:Mime-Version:Content-Type:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=6zFr0IhNgXmJOBTQwFXAr6atfaVis82WLsbtYf5hD4E=; b=QZBvtZjcD6cJjjXptXcfIKfnp ZztabI1J4yo2oe84r2lav2OcrW8yeN55BeRgbWSMW5MuLd7fw9xprwzjThk4zUiEKhQBY9B5X81gP HYjDEeasrQ9TEvVv+tmfepX5MIxaejYqT+uY3JzCU3SY14LoqozREHl7ajOEqePf0FtSatdMFsCeW cu75RQP6cAnDz3keQW2Ec0ZI4NofF8aMhoYBgv+AvU3tkoOkHJ/pWuvMayWcuPaJVCZs2TgS7wuL0 /LP/AvcpDkIOwfgOKbpM8NpPy5CuVm69v3OC9stuIuEgVHf+JCYwIv4JiD/PS/u3x2RTsyCMvH6k2 hKGXR9FHw==;
Received: from cpe-172-250-240-132.socal.res.rr.com ([172.250.240.132]:52876 helo=[192.168.1.77]) by server217.web-hosting.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from <touch@strayalpha.com>) id 1g8E08-001wMG-2x; Thu, 04 Oct 2018 20:29:52 -0400
Content-Type: multipart/alternative; boundary="Apple-Mail=_7C58F158-9C76-4EA1-B99D-FA77BDBA5C6F"
Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\))
From: Joe Touch <touch@strayalpha.com>
In-Reply-To: <CALvgte8edRUmXd0a0kS9bParR2=wXYCZ_ccn1=za51jTQKaueA@mail.gmail.com>
Date: Thu, 4 Oct 2018 17:29:51 -0700
Cc: Loganaden Velvindron <loganaden@gmail.com>, tcpm@ietf.org
Message-Id: <EF2D6245-5225-44E9-BB09-857E08D65441@strayalpha.com>
References: <CAOp4FwQqfJh6QiNbtcaH83gbZm+iPK5zpTCvje0W+Tpz+fjNng@mail.gmail.com> <DDE6A9C1-3FED-4F0A-84F1-355FA2EBFCF1@tik.ee.ethz.ch> <CAOp4FwQ26SChQtPZ84aGZSYx6kfBChHkff54sqWNy4iMbeHg-Q@mail.gmail.com> <CALvgte-JDaKczpa_WYHNxzDJ7m2Yz3KRGxBgEuj2k0x76p2XTw@mail.gmail.com> <CAOp4FwRWmuh=RtHA9mULOt3XBGN_thK3FiTVRkBLK1XWKH4N+g@mail.gmail.com> <15EA46D7-D00F-4E3B-B891-B169B12149E9@strayalpha.com> <CALvgte8edRUmXd0a0kS9bParR2=wXYCZ_ccn1=za51jTQKaueA@mail.gmail.com>
To: Zhiyun Qian <zhiyunq@cs.ucr.edu>
X-Mailer: Apple Mail (2.3445.9.1)
X-OutGoing-Spam-Status: No, score=-1.0
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - server217.web-hosting.com
X-AntiAbuse: Original Domain - ietf.org
X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse: Sender Address Domain - strayalpha.com
X-Get-Message-Sender-Via: server217.web-hosting.com: authenticated_id: touch@strayalpha.com
X-Authenticated-Sender: server217.web-hosting.com: touch@strayalpha.com
X-Source:
X-Source-Args:
X-Source-Dir:
X-From-Rewrite: unmodified, already matched
Archived-At: <https://mailarchive.ietf.org/arch/msg/tcpm/rGttIzRaz8ucMSxLmOMCfJI7Cs0>
Subject: Re: [tcpm] rfc5961 and suggested updates.
X-BeenThere: tcpm@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: TCP Maintenance and Minor Extensions Working Group <tcpm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tcpm>, <mailto:tcpm-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tcpm/>
List-Post: <mailto:tcpm@ietf.org>
List-Help: <mailto:tcpm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tcpm>, <mailto:tcpm-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 05 Oct 2018 00:29:56 -0000


> On Oct 4, 2018, at 9:26 AM, Zhiyun Qian <zhiyunq@cs.ucr.edu> wrote:
> 
> Last time I checked, FreeBSD/macOS and Windows have not fully implemented RFC5961 yet.

That seems correct to me.

This mechanism is relevant only for on-path attackers and useful mostly for long-lived services. Neither is typical for end users.

Joe