From owner-freebsd-stable@FreeBSD.ORG Mon Jun 11 21:06:00 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D771416A479 for ; Mon, 11 Jun 2007 21:06:00 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from mail-out4.apple.com (mail-out4.apple.com [17.254.13.23]) by mx1.freebsd.org (Postfix) with ESMTP id BF03513C480 for ; Mon, 11 Jun 2007 21:06:00 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from relay5.apple.com (relay5.apple.com [17.128.113.35]) by mail-out4.apple.com (Postfix) with ESMTP id AFA9A8B7CB7; Mon, 11 Jun 2007 14:06:00 -0700 (PDT) Received: from relay5.apple.com (unknown [127.0.0.1]) by relay5.apple.com (Symantec Mail Security) with ESMTP id 9F25C29C003; Mon, 11 Jun 2007 14:06:00 -0700 (PDT) X-AuditID: 11807123-9d01cbb000000a23-ac-466db9383c97 Received: from [17.214.13.96] (cswiger1.apple.com [17.214.13.96]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by relay5.apple.com (Apple SCV relay) with ESMTP id 8F60630400D; Mon, 11 Jun 2007 14:06:00 -0700 (PDT) In-Reply-To: <200706112058.l5BKwPlx075956@lava.sentex.ca> References: <468d29450706110830k5faf022n9a417157bcf3f544@mail.gmail.com> <002b01c7ac50$6cd44400$467ccc00$@ca> <7F6FEDFB-EB48-4882-B033-5026EB037641@mac.com> <200706112058.l5BKwPlx075956@lava.sentex.ca> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Chuck Swiger Date: Mon, 11 Jun 2007 14:05:59 -0700 To: Mike Tancsa X-Mailer: Apple Mail (2.752.2) X-Brightmail-Tracker: AAAAAA== Cc: freebsd-stable@freebsd.org Subject: Re: DDoS in FreeBSD 6.2-STABLE And Problen With The Clock X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jun 2007 21:06:00 -0000 On Jun 11, 2007, at 1:57 PM, Mike Tancsa wrote: > At 04:54 PM 6/11/2007, Chuck Swiger wrote: > this unfortunate event by reordering instructions if needed, but if >> you wrote your own assembly, you could in fact do a hardware DDoS if >> you weren't careful. :-) > > Hi, > I thought DDoS = _Distributed_ Denial of Service where > multiple attacking devices gang up to attack a host. Yes, it is. > Is your example not just a plain old Denial of Service (DoS) ? Yes, as it stands. But if you ship this code to other machines, perhaps it would then qualify as being _Distributed_....? :-) / 2 -- -Chuck