From owner-freebsd-net@FreeBSD.ORG Thu Sep 14 14:41:33 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4911016A47B for ; Thu, 14 Sep 2006 14:41:33 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from noop.in-addr.com (noop.in-addr.com [208.58.23.51]) by mx1.FreeBSD.org (Postfix) with ESMTP id 312C843D49 for ; Thu, 14 Sep 2006 14:41:32 +0000 (GMT) (envelope-from gpalmer@freebsd.org) Received: from gjp by noop.in-addr.com with local (Exim 4.54 (FreeBSD)) id 1GNsPC-000PXW-S4; Thu, 14 Sep 2006 10:41:30 -0400 Date: Thu, 14 Sep 2006 10:41:30 -0400 From: Gary Palmer To: Willem Jan Withagen Message-ID: <20060914144130.GB17002@in-addr.com> Mail-Followup-To: Willem Jan Withagen , freebsd-net@freebsd.org References: <4509592A.3040602@digiware.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4509592A.3040602@digiware.nl> Cc: freebsd-net@freebsd.org Subject: Re: blocking a string in a packet using ipfw X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Sep 2006 14:41:33 -0000 On Thu, Sep 14, 2006 at 03:29:14PM +0200, Willem Jan Withagen wrote: > I received a call from a customer this morning that all of his websites were > no longer on line. So After some resetting and more I turnout that there > was a > serious overload on his server. Over 500 clients connected. (norm is 50) and > they were all trying to get this file 777.gif. (Which is not on any of the > sites). Why not just create a 0 length file 777.gif and let people fetch it? Its probably a lot less work for the server.