Re: Security for various IETF services

Jelte Jansen <jelte.jansen@sidn.nl> Fri, 11 April 2014 08:06 UTC

Return-Path: <Jelte.Jansen@sidn.nl>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 632891A044B for <ietf@ietfa.amsl.com>; Fri, 11 Apr 2014 01:06:20 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0.632
X-Spam-Level:
X-Spam-Status: No, score=0.632 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, HELO_EQ_NL=0.55, HOST_EQ_NL=1.545, J_CHICKENPOX_21=0.6, RP_MATCHES_RCVD=-0.272, SPF_PASS=-0.001, T_DKIM_INVALID=0.01] autolearn=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 5WfqsoscIifT for <ietf@ietfa.amsl.com>; Fri, 11 Apr 2014 01:06:16 -0700 (PDT)
Received: from arn2-kamx.sidn.nl (kamx.sidn.nl [IPv6:2a00:d78:0:147:94:198:152:69]) by ietfa.amsl.com (Postfix) with ESMTP id DE2571A044A for <ietf@ietf.org>; Fri, 11 Apr 2014 01:06:15 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; d=sidn.nl; s=sidn_nl; c=relaxed/relaxed; h=message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding:x-originating-ip; bh=JeKTdxGG+g346BEonrlZmCv8KY5eK2ADkO/5AFx6Z3w=; b=PyCuuVijjN2vHIojrOcf805mdRgOQQDQQVkp13uWTuEZXYwUT5Tbx6wQxJy39I4x3g894BeJut/VYXnVSKRPKpSsolgGDUa63L5Gmch0JXhfvupNu4VPsht8x6R2IOvvFIMB9ULz4AO09ZsRIl3qQ302FUIPnuAFFCocVF3xtaA=
Received: from kahubcasn01.SIDN.local ([192.168.2.73]) by arn2-kamx.sidn.nl with ESMTP id s3B863pf007245-s3B863pg007245; Fri, 11 Apr 2014 10:06:03 +0200
Received: from [94.198.152.218] (94.198.152.218) by kahubcasn01.SIDN.local (192.168.2.77) with Microsoft SMTP Server (TLS) id 14.3.174.1; Fri, 11 Apr 2014 10:06:02 +0200
Message-ID: <5347A269.4000202@sidn.nl>
Date: Fri, 11 Apr 2014 10:06:01 +0200
From: Jelte Jansen <jelte.jansen@sidn.nl>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Icedove/24.4.0
MIME-Version: 1.0
To: Theodore Ts'o <tytso@mit.edu>, Mark Andrews <marka@isc.org>
Subject: Re: Security for various IETF services
References: <20140409154919.11E6118C106@mercury.lcs.mit.edu> <534580AF.4080602@dcrocker.net> <20140409200814.GA15303@thunk.org> <3C46B827-BFFC-4A9E-B600-A1E79C839970@shinkuro.com> <20140410141406.GF15925@thunk.org> <20140411003231.F1A171365D59@rock.dv.isc.org> <20140411005712.GA29956@thunk.org>
In-Reply-To: <20140411005712.GA29956@thunk.org>
X-Enigmail-Version: 1.6
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7bit
X-Originating-IP: [94.198.152.218]
Archived-At: http://mailarchive.ietf.org/arch/msg/ietf/MZ0vradYlApOoiAp6KLu6wYVEQ8
Cc: David Crocker <dcrocker@bbiw.net>, Noel Chiappa <jnc@mercury.lcs.mit.edu>, ietf@ietf.org
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 11 Apr 2014 08:06:20 -0000

On 04/11/2014 02:57 AM, Theodore Ts'o wrote:
>>
>> So to get a bad DS added you need to be a corrupt registry or a
>> corrupt employee of registry or you need to compromise the registrants
>> credentials or you need to succeed in transfering the zone to you.
> 
> Or you have to be the corrupt registry operator or an employee for the
> registry operator (i.e., Verisign for the .com domain)....
> 

But at least you have the option to switch away from the corrupt
registry operator. An expensive option, since it would involve changing
your domain names, but an option you don't have with x509 (well, you can
switch, but that doesn't protect you, which was the point). Far from
perfect, but for that specific problem much better than the current x509
model.

Jelte