From owner-freebsd-geom@freebsd.org Tue Sep 27 18:55:56 2016 Return-Path: Delivered-To: freebsd-geom@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EFEDABECDEA for ; Tue, 27 Sep 2016 18:55:56 +0000 (UTC) (envelope-from cyberleo@cyberleo.net) Received: from mail.cyberleo.net (paka.cyberleo.net [216.226.128.180]) by mx1.freebsd.org (Postfix) with ESMTP id D596EE28 for ; Tue, 27 Sep 2016 18:55:56 +0000 (UTC) (envelope-from cyberleo@cyberleo.net) Received: from [172.16.44.4] (vitani.den.cyberleo.net [216.80.73.130]) by mail.cyberleo.net (Postfix) with ESMTPSA id C4186466DC; Tue, 27 Sep 2016 14:49:23 -0400 (EDT) Subject: Re: GELI on remotely hosted FreeBSD VM To: zhaghzhagh@openmailbox.org, freebsd-geom@freebsd.org References: From: CyberLeo Kitsana Message-ID: <429fb95a-27c0-46f7-e7be-faa77e31414c@cyberleo.net> Date: Tue, 27 Sep 2016 13:49:23 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Sep 2016 18:55:57 -0000 On 09/27/2016 09:13 AM, zhaghzhagh@openmailbox.org wrote: > Hello > > Wonder if there is any security implication with GELI based full disk > encryption and FreeBSD running on Xen based VM? > In general, would like to have a clearer picture about the effectiveness > of full disk encryption in case of VM hosted at an 'unknown' physical > location. Disk encryption only protects against offline attacks, or certain attacks on remote storage where the key is nowhere near the storage. If an attacker has access to the host side of a running or paused VM, it is equivalent to having physical access to a running machine; there is little you can do to secure a machine against such an attacker. -- Fuzzy love, -CyberLeo Technical Administrator CyberLeo.Net Webhosting http://www.CyberLeo.Net Furry Peace! - http://www.fur.com/peace/