From owner-freebsd-security@FreeBSD.ORG Thu Jan 15 22:09:23 2004 Return-Path: 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 B5D9E16A4CE for ; Thu, 15 Jan 2004 22:09:23 -0800 (PST) Received: from mail.ubergeeks.com (lorax.ubergeeks.com [209.145.65.55]) by mx1.FreeBSD.org (Postfix) with ESMTP id 31DE443D3F for ; Thu, 15 Jan 2004 22:09:21 -0800 (PST) (envelope-from adrian+freebsd-security@ubergeeks.com) Received: from mail.ubergeeks.com (localhost [127.0.0.1]) by mail.ubergeeks.com (8.12.9p2/8.12.9) with ESMTP id i0G69GqZ047693; Fri, 16 Jan 2004 01:09:17 -0500 (EST) (envelope-from adrian+freebsd-security@ubergeeks.com) Received: from localhost (adrian@localhost)i0G69GRH047690; Fri, 16 Jan 2004 01:09:16 -0500 (EST) (envelope-from adrian+freebsd-security@ubergeeks.com) X-Authentication-Warning: lorax.ubergeeks.com: adrian owned process doing -bs Date: Fri, 16 Jan 2004 01:09:16 -0500 (EST) From: Adrian Filipi Sender: adrian@ubergeeks.com To: D J Hawkey Jr In-Reply-To: <20040114182154.GA22444@sheol.localdomain> Message-ID: <20040116010631.G32954@lorax.ubergeeks.com> References: <20040114134215.GA21307@sheol.localdomain> <20040114182154.GA22444@sheol.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Found to be clean cc: security at FreeBSD cc: Jesper Louis Andersen Subject: Re: mtree vs tripwire X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Security issues [members-only posting] List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jan 2004 06:09:23 -0000 On Wed, 14 Jan 2004, D J Hawkey Jr wrote: > On Jan 14, at 07:09 PM, Jesper Louis Andersen wrote: > > > > > This might seem really naive, but can mtree be used effectively as > > > a native-to-core-OS tripwire equivalent? Would it be as efficient in > > > terms of time-to-run and resource requirements? > > > > Pro: distributed with base > > Con: Only available for *BSD architectures as far as my knowledge goes. > > I'm aware of both, yes; hence my question. FreeBSD is all I'm dealing > with, where my question is concerned. > > Is your reply from personal experience, or is it the same "Hey, it > could..." as is my question? If the former, would you elaborate on the > implementation details? > > Thanks, > Dave The company I just left makes a security appliance, and we developed an mtree-based IDS. As others have mentioned, raw mtree and diff as-is leaves a lot to be desired. It's just not very conveneint. That being said, its works great now that we wrapped it all up in some wrapper scripts. Adrian -- [ adrian@ubergeeks.com ]