From owner-freebsd-current@FreeBSD.ORG Wed Apr 14 10:44:09 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4AFB116A4CE; Wed, 14 Apr 2004 10:44:09 -0700 (PDT) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id EE41943D46; Wed, 14 Apr 2004 10:44:08 -0700 (PDT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (localhost [127.0.0.1]) by fledge.watson.org (8.12.10/8.12.10) with ESMTP id i3EHhUPq072303; Wed, 14 Apr 2004 13:43:30 -0400 (EDT) (envelope-from robert@fledge.watson.org) Received: from localhost (robert@localhost)i3EHhUvd072300; Wed, 14 Apr 2004 13:43:30 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Wed, 14 Apr 2004 13:43:30 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: masta In-Reply-To: <407D76F2.3020202@linuxpowered.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: Mark Murray cc: Chuck Swiger cc: freebsd-current@FreeBSD.ORG Subject: Re: dev/random X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Apr 2004 17:44:09 -0000 On Wed, 14 Apr 2004, masta wrote: > >>Anyway, in the circumstances pertaining to this thread, aren't we > >>talking about diskless clients in a university lab, and an > >>access-controlled fileserver locked away in a rack somewhere which has > >>the disks? > >> > > > >I have to say that if you're loading your kernel out of TFTP, and your > >root file system is running out of NFS, the chances are you won't mind > >loading /entropy out of NFS. > > > Why? We got a NFSv4 client in base. > Not that this is a highly-likely situation today, I'm just saying anyways. What I'm saying is: DHCP is pretty insecure against local area attacks, as is TFTP, so concerns about storing security-related state in NFS for such systems probably aren't such a big deal. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Senior Research Scientist, McAfee Research