From owner-freebsd-hackers Mon May 20 12:06:40 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id MAA09245 for hackers-outgoing; Mon, 20 May 1996 12:06:40 -0700 (PDT) Received: from palmer.demon.co.uk (palmer.demon.co.uk [158.152.50.150]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id MAA09234 for ; Mon, 20 May 1996 12:06:33 -0700 (PDT) Received: from palmer.demon.co.uk (localhost [127.0.0.1]) by palmer.demon.co.uk (sendmail/PALMER-1) with ESMTP id TAA22007; Mon, 20 May 1996 19:50:15 +0100 (BST) To: Branson Matheson cc: freebsd-hackers@FreeBSD.ORG (Hackers FreeBSD) From: "Gary Palmer" Subject: Re: - - In-reply-to: Your message of "Mon, 20 May 1996 08:19:12 EDT." <199605201219.IAA13848@longstreet.larc.nasa.gov> Date: Mon, 20 May 1996 19:50:14 +0100 Message-ID: <22005.832618214@palmer.demon.co.uk> Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Branson Matheson wrote in message ID <199605201219.IAA13848@longstreet.larc.nasa.gov>: > > I don't think this would really disable "CTRL-ALT-DEL". Every user > > would be able to bypass this restriction by loading another > > unmodified keymap. > Every user with this access to the console could press the reset > button on the front panel, power off the box, unplud it from the > wall, or drop it out the window. > Why is a CTRL-ALT-DEL more likely than the least offensive of these > (the reset switch)? Because C-A-D attempts a clean shutdown of the system, where as the reset button (as its name implies) does NOT signal FreeBSD that it is about to happen, and FreeBSD could leave the filesystem in a right mess as a result. C-A-D is really a shortcut for `reboot'... Gary -- Gary Palmer FreeBSD Core Team Member FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info