From owner-freebsd-questions@FreeBSD.ORG Thu Nov 23 15:43:32 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 4B6B616A407 for ; Thu, 23 Nov 2006 15:43:32 +0000 (UTC) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: from gizmo.acns.msu.edu (gizmo.acns.msu.edu [35.8.1.43]) by mx1.FreeBSD.org (Postfix) with ESMTP id D053943D49 for ; Thu, 23 Nov 2006 15:42:53 +0000 (GMT) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: from gizmo.acns.msu.edu (localhost [127.0.0.1]) by gizmo.acns.msu.edu (8.13.6/8.13.6) with ESMTP id kANFfNHW056496; Thu, 23 Nov 2006 10:41:23 -0500 (EST) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: (from jerrymc@localhost) by gizmo.acns.msu.edu (8.13.6/8.13.6/Submit) id kANFfNv9056495; Thu, 23 Nov 2006 10:41:23 -0500 (EST) (envelope-from jerrymc) Date: Thu, 23 Nov 2006 10:41:23 -0500 From: Jerry McAllister To: VeeJay Message-ID: <20061123154123.GB56451@gizmo.acns.msu.edu> References: <2cd0a0da0611211941iae07787q3f433fb2c8ab1f22@mail.gmail.com> <20061122163317.GC50939@gizmo.acns.msu.edu> <2cd0a0da0611230056l15bfccaamb3ed3d439e2786b8@mail.gmail.com> <200611230914.kAN9E2GW065034@banyan.cs.ait.ac.th> <2cd0a0da0611230145j3b5f42cfg7b9025236a91e7a3@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2cd0a0da0611230145j3b5f42cfg7b9025236a91e7a3@mail.gmail.com> User-Agent: Mutt/1.4.2.2i Cc: Olivier Nicole , freebsd-questions@freebsd.org Subject: Re: Password Security X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Nov 2006 15:43:32 -0000 On Thu, Nov 23, 2006 at 10:45:19AM +0100, VeeJay wrote: > On 11/23/06, Olivier Nicole wrote: > > > >> And how can one into the System by booting from a CD if it still > >> requires the Password even in Single User mode? > > > >Booting from CD, floppy or hard disk is slected at BIOS level. > > > >Booting in single or multi user mode is at Operating system level. > > > >Booting is in the following order: > > > >1) BIOS select what medium to boot from > > > >2) the operating system boot from the selected medium > > > >So when it comes to the Single user password, itis already at stage 2) > >it has passed the stage 1 (booting from hard disk ofr CD) without > >password. > > > >Olivier > > > > So, it means, that I should take the following steps > > 1. Password on BIOS > 2. Change the order of booting i.e. When system is installed and working > once, then I just the change the Booting FIRST from HardDisk. > 3. Put the password on Single User mode. As I said, you can beat that by removing the system battery or flash memory. > > So, what more? Do you people think that I have got somehow security barrier > for unauthorized access? The only real security is to totally prevent access. If that machine is in a place where you do not trust those who can touch it, then it is insecure. ////jerry > > > > -- > Thanks! > > BR / vj > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"