Re: [DNSOP] Passive DNS COF

Paul Vixie <paul@redbarn.org> Fri, 07 March 2014 19:38 UTC

Return-Path: <paul@redbarn.org>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 32AA11A02BE for <dnsop@ietfa.amsl.com>; Fri, 7 Mar 2014 11:38:40 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.901
X-Spam-Level:
X-Spam-Status: No, score=-6.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001] autolearn=ham
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 dEz-wtez1eyE for <dnsop@ietfa.amsl.com>; Fri, 7 Mar 2014 11:38:34 -0800 (PST)
Received: from ss.vix.su (ss.vix.su [24.104.150.2]) by ietfa.amsl.com (Postfix) with ESMTP id 303371A01D6 for <dnsop@ietf.org>; Fri, 7 Mar 2014 11:38:34 -0800 (PST)
Received: from [10.222.34.123] (c-98-207-0-131.hsd1.ca.comcast.net [98.207.0.131]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ss.vix.su (Postfix) with ESMTPSA id ED4D1EBD64; Fri, 7 Mar 2014 19:38:28 +0000 (UTC) (envelope-from paul@redbarn.org)
Message-ID: <531A203C.8060405@redbarn.org>
Date: Fri, 07 Mar 2014 11:38:36 -0800
From: Paul Vixie <paul@redbarn.org>
User-Agent: Postbox 3.0.9 (Windows/20140128)
MIME-Version: 1.0
To: Lawrence Conroy <lconroy@insensate.co.uk>
References: <B40AC4BA-0C5D-417C-9FC8-71EBF310F7B6@insensate.co.uk>
In-Reply-To: <B40AC4BA-0C5D-417C-9FC8-71EBF310F7B6@insensate.co.uk>
X-Enigmail-Version: 1.2.3
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Archived-At: http://mailarchive.ietf.org/arch/msg/dnsop/8MvmDTKZNRKQkpxF0Ozxq-YgbOI
Cc: dnsop@ietf.org
Subject: Re: [DNSOP] Passive DNS COF
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 07 Mar 2014 19:38:40 -0000

Lawrence Conroy wrote:
> Hi Chaps,
>  stupid quick question, listening to the stream:
> How does this work with CDNs (I think you may need to capture the IP address; bailiwick could act as a proxy for that, but ...)

this is well described, as follows:

https://archive.farsightsecurity.com/Passive_DNS/passive-dns-architecture.pdf

vixie