Re: [shara] Preliminary agenda for SHARA BOF

Randy Bush <randy@psg.com> Wed, 11 March 2009 10:11 UTC

Return-Path: <randy@psg.com>
X-Original-To: shara@core3.amsl.com
Delivered-To: shara@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 8E49D3A67D6 for <shara@core3.amsl.com>; Wed, 11 Mar 2009 03:11:40 -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=-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 yXwE9Q5-F82o for <shara@core3.amsl.com>; Wed, 11 Mar 2009 03:11:39 -0700 (PDT)
Received: from ran.psg.com (ran.psg.com [IPv6:2001:418:1::36]) by core3.amsl.com (Postfix) with ESMTP id 8A34E3A6B4D for <shara@ietf.org>; Wed, 11 Mar 2009 03:11:39 -0700 (PDT)
Received: from localhost ([127.0.0.1] helo=rmac.psg.com) by ran.psg.com with esmtp (Exim 4.69 (FreeBSD)) (envelope-from <randy@psg.com>) id 1LhLQ4-0005R2-V0; Wed, 11 Mar 2009 10:12:13 +0000
Received: from rmac.psg.com.psg.com (localhost [127.0.0.1]) by rmac.psg.com (Postfix) with ESMTP id AA892E6ACDB; Wed, 11 Mar 2009 03:12:12 -0700 (PDT)
Date: Wed, 11 Mar 2009 03:12:12 -0700
Message-ID: <m2hc20jrlv.wl%randy@psg.com>
From: Randy Bush <randy@psg.com>
To: teemu.savolainen@nokia.com
In-Reply-To: <18034D4D7FE9AE48BF19AB1B0EF2729F27F2515180@NOK-EUMSG-01.mgdnok.nokia.com>
References: <49B64942.1080401@it.uc3m.es> <6CF039C5B32037498B02251E11CDE6B007D4F799@ftrdmel3> <49B670C6.6080601@ericsson.com> <6CF039C5B32037498B02251E11CDE6B007D887AD@ftrdmel3> <49B6F187.5080600@it.uc3m.es> <A99B171D26E1564B92D36826128CD66127EDFB990C@NOK-EUMSG-01.mgdnok.nokia.com> <m2ljrclwkw.wl%randy@psg.com> <18034D4D7FE9AE48BF19AB1B0EF2729F27F2515180@NOK-EUMSG-01.mgdnok.nokia.com>
User-Agent: Wanderlust/2.15.5 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (Gojō) APEL/10.7 Emacs/22.3 (i386-apple-darwin9.6.0) MULE/5.0 (SAKAKI)
MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset="US-ASCII"
Cc: Gabor.Bajko@nokia.com, bernard_aboba@hotmail.com, shara@ietf.org
Subject: Re: [shara] Preliminary agenda for SHARA BOF
X-BeenThere: shara@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: Sharing of an IPv4 Address discussion list <shara.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/shara>, <mailto:shara-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/shara>
List-Post: <mailto:shara@ietf.org>
List-Help: <mailto:shara-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/shara>, <mailto:shara-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 11 Mar 2009 10:11:40 -0000

> If you allocate the ports by cryptographically random means as
> described in draft-draft-bajko-pripaddrassign, it does not matter if a
> host is allocated just two ports - the attacker cannot possibly guess
> what the other allocated port is by just knowing the other port in
> use.

aha!  now i understand the non-contiguous hack.

randy