From owner-freebsd-questions@FreeBSD.ORG Mon Jul 18 11:04:05 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id F3F0216A41C for ; Mon, 18 Jul 2005 11:04:04 +0000 (GMT) (envelope-from vladone@spaingsm.com) Received: from mail.spaingsm.com (llwb135.servidoresdns.net [217.76.137.82]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5809343D68 for ; Mon, 18 Jul 2005 11:03:50 +0000 (GMT) (envelope-from vladone@spaingsm.com) Received: from SERVEREL (unknown [81.12.155.242]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.spaingsm.com (Postfix) with ESMTP id 4C07D24C708 for ; Mon, 18 Jul 2005 12:53:48 +0200 (CEST) Date: Mon, 18 Jul 2005 14:04:16 +0300 From: vladone X-Mailer: The Bat! (v3.0.1.33) Professional X-Priority: 3 (Normal) Message-ID: <1188328635.20050718140416@spaingsm.com> To: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: DoS prevention .Sysctl parameters to prevent this? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: vladone List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jul 2005 11:04:05 -0000 Recently i have in gateway freebsd that go down due to an DoS attack. I dont know exactly what is (i dont have experience), but is useful if someone, with more wiyh more experience, can give some parameters for sysctl to prevent Dos an flood problem. Or perhaps with ipfw rules. Any help will be apreciated! Thanks!