From owner-freebsd-hackers Fri Aug 21 17:37:24 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA23498 for freebsd-hackers-outgoing; Fri, 21 Aug 1998 17:37:24 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from bright.fx.genx.net (bright.fx.genx.net [206.64.4.154]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA23481 for ; Fri, 21 Aug 1998 17:37:09 -0700 (PDT) (envelope-from bright@www.hotjobs.com) Received: from localhost (bright@localhost) by bright.fx.genx.net (8.9.1/8.8.8) with SMTP id UAA03042; Fri, 21 Aug 1998 20:37:09 -0500 (EST) (envelope-from bright@hotjobs.com) X-Authentication-Warning: bright.fx.genx.net: bright owned process doing -bs Date: Fri, 21 Aug 1998 20:37:09 -0500 (EST) From: Alfred Perlstein X-Sender: bright@bright.fx.genx.net To: Mikael Karpberg cc: "B. Richardson" , hackers@FreeBSD.ORG Subject: Re: I want to break binary compatibility. In-Reply-To: <199808220009.CAA05667@ocean.campus.luth.se> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG hrm, how's about doing that, but instead of giving an error, you shutdown the system and flush all logs. sounds bad, but might help you catch them in the act. Alfred Perlstein - Programmer, HotJobs Inc. - www.hotjobs.com -- There are operating systems, and then there's FreeBSD. -- http://www.freebsd.org/ 3.0-current On Sat, 22 Aug 1998, Mikael Karpberg wrote: > According to B. Richardson: > > > > > > I have a problem with some hackers that are obsessed with making my > > ISP's life miserable (they've already hacked our SGI). I've slapped > > together a FreeBSD box to throw their webpages on it, turned off all > > services except http. > > > > The hackers have expressed intent to break into our machines at > > any opportunity (they seem to be infuriated that we intervened and > > was able to keep a couple of services up on our SGI). > > > > The hackers relentlessly attacked our machine every time we tried to > > bring our SGI online for a 48 hour stretch, and I believe that are > > going to try to break into our new machines with the same fervor. > > > > What I want to do, if possible is build a uniq system such that binaries > > from other systems will not run on it and vice versa. Is this possible? > > One simple way could be to just change the "magic number" on the binaries, > maybe, and disable all linux compat, etc? > > /Mikael > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message