From owner-freebsd-questions@FreeBSD.ORG Mon Jun 4 22:04:26 2007 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 7F38216A468 for ; Mon, 4 Jun 2007 22:04:26 +0000 (UTC) (envelope-from dominique.goncalves@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.170]) by mx1.freebsd.org (Postfix) with ESMTP id DA4F913C480 for ; Mon, 4 Jun 2007 22:04:24 +0000 (UTC) (envelope-from dominique.goncalves@gmail.com) Received: by ug-out-1314.google.com with SMTP id u2so1027273uge for ; Mon, 04 Jun 2007 15:04:11 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=mgTtxUeNXE4qBLdthaTqlpCwusCt5czPRbVVNRRX6OtZ1CY8p9Kd8rsUnY6Jwn3mHxG/o5/xzyFUdE/g/ti8Obn/WCA3204M71eB10EtJkbQxBovIEKGdLFS50YrmMs6vqpK5Z6/831un2yFdmy4cRKrpE80P1xzoHk6adx12tI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Gu8vQmPAycfNUyxVY0pQptZx3+3Q2MAfZJS7qldqilrb/Uwg+1CiPD/WJe66aCN7vF8nB9Hbxcdybdt3dlbcGETt8w2gVoz4/NP5HDNN+L9Y7wo/fYUlyDGun7PWEsINlGosYbLOWK5fwLU1Hs9LFjCoPl6UB1N9Dxsbptrobd0= Received: by 10.67.28.9 with SMTP id f9mr3370069ugj.1180993023872; Mon, 04 Jun 2007 14:37:03 -0700 (PDT) Received: by 10.66.225.10 with HTTP; Mon, 4 Jun 2007 14:37:03 -0700 (PDT) Message-ID: <7daacbbe0706041437m1439900ft81dbcd698544ddad@mail.gmail.com> Date: Mon, 4 Jun 2007 23:37:03 +0200 From: "Dominique Goncalves" To: "Kenneth Bond" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Cc: freebsd-questions@freebsd.org Subject: Re: Disable CTRL+ALT+DELETE 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: Mon, 04 Jun 2007 22:04:26 -0000 Hi, On 6/4/07, Kenneth Bond wrote: > Hello, > > I have a quick question regarding disabling the CTRL+ALT+DELETE > keystroke sequence used to reboot a system. > > I understand that you are able to add the following option to the > kernel config file and rebuild the kernel: > > options SC_DISABLE_REBOOT > > What I'd like to confirm is whether or not using a keymap file and > changing the "boot" entries to "nop", and then loading it on each boot > through /etc/rc.conf (KEYMAP = "/usr/share/syscons/keymap/keymap.kbd") > is a viable, secure alternative for disabling the CTRL+ALT+DELETE > keystroke sequence. > > I know it was commonly used with older FreeBSD releases, but I'm not > sure whether it is recommended with newer releases. > > Please advise. > > Thanks! > _______________________________________________ > 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" > If you are using FreeBSD >=6.2, there is a sysctl knob for disabling CTRL+ALT+DELETE, sysctl hw.syscons.kbd_reboot=0 Take a look at syscons(4) and sysctl(8) for more information. Hope this helps. Regards. -- There's this old saying: "Give a man a fish, feed him for a day. Teach a man to fish, feed him for life."