From owner-freebsd-security@FreeBSD.ORG Tue Dec 24 22:36:04 2013 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7419F450; Tue, 24 Dec 2013 22:36:04 +0000 (UTC) Received: from hoffman.proper.com (IPv6.Hoffman.Proper.COM [IPv6:2605:8e00:100:41::81]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 4901515FC; Tue, 24 Dec 2013 22:36:04 +0000 (UTC) Received: from [10.20.30.90] (50-0-66-41.dsl.dynamic.sonic.net [50.0.66.41]) (authenticated bits=0) by hoffman.proper.com (8.14.7/8.14.7) with ESMTP id rBOMZuGj057974 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Tue, 24 Dec 2013 15:35:57 -0700 (MST) (envelope-from phoffman@proper.com) X-Authentication-Warning: hoffman.proper.com: Host 50-0-66-41.dsl.dynamic.sonic.net [50.0.66.41] claimed to be [10.20.30.90] Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 7.1 \(1827\)) Subject: Re: [PATCH RFC] Disable save-entropy in jails From: Paul Hoffman In-Reply-To: <52B9F232.1090002@delphij.net> Date: Tue, 24 Dec 2013 14:36:10 -0800 Content-Transfer-Encoding: quoted-printable Message-Id: <278988C7-1749-413D-A5E2-ABE6753B3766@proper.com> References: <52B9F232.1090002@delphij.net> To: d@delphij.net X-Mailer: Apple Mail (2.1827) Cc: "freebsd-security@freebsd.org" , FreeBSD Current , Pawel Jakub Dawidek X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Dec 2013 22:36:04 -0000 On Dec 24, 2013, at 12:44 PM, Xin Li wrote: > I think we shouldn't save entropy inside jails, as the data is not = going > to be used by rc script (pjd@126744). If there is no objections, I = will > commit this changeset on January 1, 2014. Even if it is not used by an rc script, it might be used by some = userland program (running as root, of course) that knows about the = directory and wants some fresh entropy for its own use. Is there a problem with saving the directory in jails? It certainly = isn't taking up much space. --Paul Hoffman=