From owner-freebsd-security Fri Dec 20 07:06:03 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id HAA22676 for security-outgoing; Fri, 20 Dec 1996 07:06:03 -0800 (PST) Received: from postoffice.cso.uiuc.edu (postoffice.cso.uiuc.edu [128.174.5.11]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id HAA22671 for ; Fri, 20 Dec 1996 07:06:02 -0800 (PST) Received: from alecto.physics.uiuc.edu (alecto.physics.uiuc.edu [128.174.83.167]) by postoffice.cso.uiuc.edu (8.6.12/8.6.12) with ESMTP id JAA97746; Fri, 20 Dec 1996 09:06:00 -0600 Received: by alecto.physics.uiuc.edu (940816.SGI.8.6.9/940406.SGI) id JAA23349; Fri, 20 Dec 1996 09:04:45 -0600 From: igor@alecto.physics.uiuc.edu (Igor Roshchin) Message-Id: <199612201504.JAA23349@alecto.physics.uiuc.edu> Subject: Re: stopping users from rebooting with ctr-alt-del To: sean@perky.gothic.net.au (Sean Winn) Date: Fri, 20 Dec 1996 09:04:45 -0600 (CST) Cc: freebsd-security@freebsd.org In-Reply-To: from "Sean Winn" at Dec 21, 96 01:38:24 am X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-security@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > I can already see a nice simple problem, in that it would only work after > login...if you need to shutdown because you can't login for some reason > (exhausted swap space because of a nasty process?), then this makes things > difficult...but it should help machines in public places around people who > have too much curiosity. > Why would you need use ctrl-alt-del to reboot the machine ? 1. it's not a shutdown (it doesn't resync, anyhow) 2. if you need to "reboot" it no matter what - use the power switch, or "reset" button if one is present. May be I am wrong, but I don't see bug difference [for Unix] between ctrl-alt-del and "reset" . In a public place I would also disable "reset" and "power" button (I've seen so many time how our HPs were rebooted by users) IgoR aka StR