Re: [Dots] Warren Kumari's No Objection on draft-ietf-dots-data-channel-28: (with COMMENT)

<mohamed.boucadair@orange.com> Thu, 02 May 2019 12:40 UTC

Return-Path: <mohamed.boucadair@orange.com>
X-Original-To: dots@ietfa.amsl.com
Delivered-To: dots@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0C6B0120110; Thu, 2 May 2019 05:40:32 -0700 (PDT)
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=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
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 EOuhy71ASNbl; Thu, 2 May 2019 05:40:29 -0700 (PDT)
Received: from orange.com (mta241.mail.business.static.orange.com [80.12.66.41]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6CF8B1200E6; Thu, 2 May 2019 05:40:29 -0700 (PDT)
Received: from opfedar01.francetelecom.fr (unknown [xx.xx.xx.2]) by opfedar25.francetelecom.fr (ESMTP service) with ESMTP id 44vvxR511Tz8tjm; Thu, 2 May 2019 14:40:27 +0200 (CEST)
Received: from Exchangemail-eme6.itn.ftgroup (unknown [xx.xx.13.101]) by opfedar01.francetelecom.fr (ESMTP service) with ESMTP id 44vvxR3c33zBrLH; Thu, 2 May 2019 14:40:27 +0200 (CEST)
Received: from OPEXCAUBMA2.corporate.adroot.infra.ftgroup ([fe80::e878:bd0:c89e:5b42]) by OPEXCAUBM6F.corporate.adroot.infra.ftgroup ([fe80::c489:b768:686a:545b%23]) with mapi id 14.03.0439.000; Thu, 2 May 2019 14:40:27 +0200
From: mohamed.boucadair@orange.com
To: Warren Kumari <warren@kumari.net>, The IESG <iesg@ietf.org>
CC: "draft-ietf-dots-data-channel@ietf.org" <draft-ietf-dots-data-channel@ietf.org>, Roman Danyliw <rdd@cert.org>, "dots-chairs@ietf.org" <dots-chairs@ietf.org>, "dots@ietf.org" <dots@ietf.org>
Thread-Topic: Warren Kumari's No Objection on draft-ietf-dots-data-channel-28: (with COMMENT)
Thread-Index: AQHVAFMMl9P+JinRrk682Ej/YgG6WKZXx0/A
Date: Thu, 02 May 2019 12:40:26 +0000
Message-ID: <787AE7BB302AE849A7480A190F8B93302EA68DCE@OPEXCAUBMA2.corporate.adroot.infra.ftgroup>
References: <155673847313.950.15705754597246734431.idtracker@ietfa.amsl.com>
In-Reply-To: <155673847313.950.15705754597246734431.idtracker@ietfa.amsl.com>
Accept-Language: fr-FR, en-US
Content-Language: fr-FR
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.114.13.245]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Archived-At: <https://mailarchive.ietf.org/arch/msg/dots/syil55NoC-g2xCPcP7JfjhlgnLo>
Subject: Re: [Dots] Warren Kumari's No Objection on draft-ietf-dots-data-channel-28: (with COMMENT)
X-BeenThere: dots@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "List for discussion of DDoS Open Threat Signaling \(DOTS\) technology and directions." <dots.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dots>, <mailto:dots-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dots/>
List-Post: <mailto:dots@ietf.org>
List-Help: <mailto:dots-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dots>, <mailto:dots-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 02 May 2019 12:40:32 -0000

Hi Warren, 

Thank you for the comments. 

Went with almost all your rewording proposal. An example to illustrate the use of the tcp-flags will be added. 

Cheers,
Med

> -----Message d'origine-----
> De : Warren Kumari via Datatracker [mailto:noreply@ietf.org]
> Envoyé : mercredi 1 mai 2019 21:21
> À : The IESG
> Cc : draft-ietf-dots-data-channel@ietf.org; Roman Danyliw; dots-
> chairs@ietf.org; rdd@cert.org; dots@ietf.org
> Objet : Warren Kumari's No Objection on draft-ietf-dots-data-channel-28:
> (with COMMENT)
> 
> Warren Kumari has entered the following ballot position for
> draft-ietf-dots-data-channel-28: No Objection
> 
> When responding, please keep the subject line intact and reply to all
> email addresses included in the To and CC lines. (Feel free to cut this
> introductory paragraph, however.)
> 
> 
> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
> for more information about IESG DISCUSS and COMMENT positions.
> 
> 
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-dots-data-channel/
> 
> 
> 
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> 
> Thank you for writing this - I found it useful and interesting.
> 
> I do have a few comments / suggestions to try improve the document further.
> 
> 1:  "In most cases, sufficient scale can be achieved by compromising enough
> end-hosts and using those infected hosts to perpetrate and amplify the
> attack."
> This is somewhat misleading - it sounds somewhat like the reflectors which
> get
> used for amplification attacks (e.g DNS servers) have been compromised.
> Perhaps
> "In most cases, sufficient scale can be achieved by compromising enough
> end-hosts or using amplification attacks" - in the grand scheme of things
> this
> isn't super important, but because it is so close to the beginning of the
> document it would be nice to set the tone correctly...
> 
> 2: "After discovering the RESTCONF API root, a DOTS client uses this value as
> the initial part of the path in the request URI, in any subsequent request to
> the DOTS server." The commas seem superfluous, and make reading this hard.
> 
> 3: "It is RECOMMENDED that DOTS clients and gateways support means to alert
> administrators about loop errors so that appropriate actions are undertaken."
> Truly a nit, but I had to reread this sentence multiple times before I got it
> -- I would suggest s/means/methods/ (or "provide methods").
> 
> 4: TCP flags. It is really common to match on "Established" sessions (or
> packets with or without the SYN flag -- I think it would be **really**
> helpful
> to describe how this is done / have an example, etc. While readers should be
> able to figure this out, it would be helpful to have this so people can find
> it
> in a panic. Actually, more examples in the Appendix would be generally
> useful...
> 
> 5: "The DOTS gateway, that inserted a ’cdid’ in a PUT request, MUST strip the
> ’cdid’ parameter in the corresponding response before forwarding the response
> to the DOTS client." Extra commas...
>