From owner-freebsd-virtualization@FreeBSD.ORG Thu Nov 21 14:12:41 2013 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 48A60AB9 for ; Thu, 21 Nov 2013 14:12:41 +0000 (UTC) Received: from mail-vb0-x234.google.com (mail-vb0-x234.google.com [IPv6:2607:f8b0:400c:c02::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 08D002A2E for ; Thu, 21 Nov 2013 14:12:40 +0000 (UTC) Received: by mail-vb0-f52.google.com with SMTP id f13so913554vbg.39 for ; Thu, 21 Nov 2013 06:12:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=wAY8vMW0Mf2zjwogpU0vE2FugGW2f9mNgP277fhDMro=; b=zWXv8FcBHD1T06SlmG4KtR9aM64OPYYs5nw/7N5Ok+UnVvemZlI1IhIvQp4Nx2GCAq d5UZ3dak9AHkqGtL2CAsgKtuOFlc9poixAN32XhuJwvt/juETnx+SS6d/qbyXDhYrZUS 2m444+Fa4c+z1cNNLMBCT//Ldxcd1E79tbYYp95C1wMu9/cR5enwEYU/JELqJWcm0Sav eo2wRReV8K2wLVXNKmHA7zaiyBxrSHAoA+8pqjCmMOR1IQYGobVmPd8aeN28A1RKC5dK oRBq/LtpYaJPsNFKaZo8fLyvQfjXYE1iM6iBLiIEDQ9A68VgWSGR+Z+2NyiXwuWfL+5G HISg== MIME-Version: 1.0 X-Received: by 10.58.100.244 with SMTP id fb20mr6085911veb.6.1385043160072; Thu, 21 Nov 2013 06:12:40 -0800 (PST) Received: by 10.58.229.137 with HTTP; Thu, 21 Nov 2013 06:12:40 -0800 (PST) In-Reply-To: References: Date: Thu, 21 Nov 2013 12:12:40 -0200 Message-ID: Subject: Re: VPS / Jail / Bhyve File System isolation From: Alexandre Biancalana To: Eitan Adler Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.16 Cc: "freebsd-virtualization@freebsd.org" X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Nov 2013 14:12:41 -0000 On Thu, Nov 21, 2013 at 12:48 AM, Eitan Adler wrote: > On Wed, Nov 20, 2013 at 12:55 PM, Bruno Lauz=E9 wrot= e: > > > > Using jails, customers are uncomfortable with the fact documents can be > accessed from the host with root access.Project VPS seems to isolate more > the guest from the host but not as well as an hypervisor like bhyve. With > an hypervisor what the client have is private, as long as the host can > manage the disk, delete it, but the information is kept private from the > host. > > Any suggestions how to offer jail, vps, or anything containers > techniques with total file system isolation from the host, or the only wa= y > is to go hypervisor, with the performance and instances count penalty tha= t > goes with it? > > Untrusted hypervisors is an active area of academic research. > However, any such scheme requires additional hardware support. > > If you are interested I can give you some papers to look at. I'm interested, can you provide the links of the papers ?