From owner-freebsd-current@FreeBSD.ORG Sun Feb 5 15:30:47 2006 Return-Path: X-Original-To: current@freebsd.org 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 182C116A420 for ; Sun, 5 Feb 2006 15:30:47 +0000 (GMT) (envelope-from joseph.koshy@gmail.com) Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.192]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6338943D46 for ; Sun, 5 Feb 2006 15:30:45 +0000 (GMT) (envelope-from joseph.koshy@gmail.com) Received: by xproxy.gmail.com with SMTP id s9so646058wxc for ; Sun, 05 Feb 2006 07:30:44 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=WNzI5KJ5ciYSh/3IWndt4UcfFh0PB3cPyiOX10EpAg1j4s0Ry0BQhHEu11EmPS2D/scKVRXsY2iTNpmbpRj0fYfCVu3yQBD6CKgJWb6XjKwEl6hDuPpiafuGrmjb1tjNHvdTd8GEIEkEzhbwQwbilmfZSAmkXU38mrSQMlWDbE8= Received: by 10.70.118.19 with SMTP id q19mr2694061wxc; Sun, 05 Feb 2006 07:30:44 -0800 (PST) Received: by 10.70.105.2 with HTTP; Sun, 5 Feb 2006 07:30:44 -0800 (PST) Message-ID: <84dead720602050730s3fe89785nf142bc99f41b45ba@mail.gmail.com> Date: Sun, 5 Feb 2006 21:00:44 +0530 From: Joseph Koshy To: =?ISO-8859-1?Q?Bj=F6rn_K=F6nig?= In-Reply-To: <43E616EF.9020704@cs.tu-berlin.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <43E60708.9000902@cs.tu-berlin.de> <20060205141626.N76666@fledge.watson.org> <43E616EF.9020704@cs.tu-berlin.de> Cc: Robert Watson , current@freebsd.org Subject: Re: unprivileged users are able to kill certain jailed processes X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 05 Feb 2006 15:30:47 -0000 bk> That means you have to consider that the host environment bk> need to be trustworthy if you use jails and as long as you bk> can't guarantee strict isolation of the host environment bk> from the point of view of unprivileged users it would be bk> the wrong way to obscure jails from these users bk> partially, like I suggested. On FreeBSD 5 and later there is mac_partition(4). You could investigate using setpmac(8) to run processes inside the jail with a different partition label than processes in the host environment. -- FreeBSD Volunteer, http://people.freebsd.org/~jkoshy