From owner-freebsd-security@FreeBSD.ORG  Thu Sep 30 01:02:53 2004
Return-Path: <owner-freebsd-security@FreeBSD.ORG>
Delivered-To: freebsd-security@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 1459916A4CE
	for <freebsd-security@FreeBSD.org>;
	Thu, 30 Sep 2004 01:02:53 +0000 (GMT)
Received: from pittgoth.com (14.zlnp1.xdsl.nauticom.net [209.195.149.111])
	by mx1.FreeBSD.org (Postfix) with ESMTP id A796F43D49
	for <freebsd-security@FreeBSD.org>;
	Thu, 30 Sep 2004 01:02:52 +0000 (GMT)
	(envelope-from trhodes@FreeBSD.org)
Received: from localhost ([192.168.0.5])
	(authenticated bits=0)
	by pittgoth.com (8.12.10/8.12.10) with ESMTP id i8U12aex006584
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Wed, 29 Sep 2004 21:02:36 -0400 (EDT)
	(envelope-from trhodes@FreeBSD.org)
Date: Wed, 29 Sep 2004 21:03:18 -0400
From: Tom Rhodes <trhodes@FreeBSD.org>
To: David Schultz <das@FreeBSD.org>
Message-Id: <20040929210318.5c9c2ba1@localhost>
In-Reply-To: <20040929235029.GA31828@VARK.MIT.EDU>
References: <4159EABF.3030004@ai.net>
	<E1CCfo7-000Kb9-00@xi.css.qmw.ac.uk>
	<20040929235029.GA31828@VARK.MIT.EDU>
X-Mailer: Sylpheed-Claws 0.9.12 (GTK+ 1.2.10; i386-portbld-freebsd5.2)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-Mailman-Approved-At: Thu, 30 Sep 2004 12:36:46 +0000
cc: dwbear75@gmail.com
cc: freebsd-security@FreeBSD.org
cc: David Pick <d.m.pick@qmul.ac.uk>
cc: Deepak Jain <deepak@ai.net>
cc: Alexander Langer <alex@big.endian.de>
cc: cjclark@alum.mit.edu
Subject: Re: Kernel-loadable Root Kits
X-BeenThere: freebsd-security@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Security issues [members-only posting]
	<freebsd-security.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-security>,
	<mailto:freebsd-security-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-security>
List-Post: <mailto:freebsd-security@freebsd.org>
List-Help: <mailto:freebsd-security-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-security>,
	<mailto:freebsd-security-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 30 Sep 2004 01:02:53 -0000

On Wed, 29 Sep 2004 19:50:29 -0400
David Schultz <das@freebsd.org> wrote:

> On Wed, Sep 29, 2004, David Pick wrote:
> > 6) securelevel *is* a great thing but sysadmins are tied to the
> > hierarchy of levels chosen by the project, and one size does *not*
> > fit all. As a more general mechanism I would suggest that there
> > is a kernel-build option for *each* facility that can be locked
> > by securelevel, which geves the level at which that facility
> > becomes locked.
> 
> Great idea.  See mac(4).

And don't forget to read the <shameless plug>MAC</shameless plug>
chapter in the FreeBSD Handbook.  :)

-- 
Tom Rhodes