From owner-freebsd-hackers Fri Aug 21 17:12:00 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA19441 for freebsd-hackers-outgoing; Fri, 21 Aug 1998 17:12:00 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from ocean.campus.luth.se (ocean.campus.luth.se [130.240.194.116]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA19426 for ; Fri, 21 Aug 1998 17:11:57 -0700 (PDT) (envelope-from karpen@ocean.campus.luth.se) Received: (from karpen@localhost) by ocean.campus.luth.se (8.9.1/8.9.1) id CAA05667; Sat, 22 Aug 1998 02:09:03 +0200 (CEST) (envelope-from karpen) From: Mikael Karpberg Message-Id: <199808220009.CAA05667@ocean.campus.luth.se> Subject: Re: I want to break binary compatibility. In-Reply-To: from "B. Richardson" at "Aug 21, 98 07:12:40 pm" To: rabtter@aye.net (B. Richardson) Date: Sat, 22 Aug 1998 02:09:03 +0200 (CEST) Cc: hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL32 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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