From owner-freebsd-net@FreeBSD.ORG Tue Nov 8 21:57:00 2005 Return-Path: X-Original-To: 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 1D22716A41F for ; Tue, 8 Nov 2005 21:57:00 +0000 (GMT) (envelope-from lars.eggert@netlab.nec.de) Received: from kyoto.netlab.nec.de (kyoto.netlab.nec.de [195.37.70.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 79FF143D48 for ; Tue, 8 Nov 2005 21:56:59 +0000 (GMT) (envelope-from lars.eggert@netlab.nec.de) Received: from lars.ietf64.ietf.org (pp107-126.bctel.ca [209.52.107.126]) by kyoto.netlab.nec.de (Postfix) with ESMTP id CBB871BAC4D; Tue, 8 Nov 2005 22:56:55 +0100 (CET) Received: from [127.0.0.1] (localhost [127.0.0.1]) by lars.ietf64.ietf.org (Postfix) with ESMTP id 3234C414569; Tue, 8 Nov 2005 13:56:46 -0800 (PST) In-Reply-To: <20051108204603.GA2121@stack.nl> References: <20051108204603.GA2121@stack.nl> Mime-Version: 1.0 (Apple Message framework v746.2) Content-Type: multipart/signed; micalg=sha1; boundary=Apple-Mail-1-708463057; protocol="application/pkcs7-signature" Message-Id: <280E31B0-BA54-404A-8CD4-2EF64F767B9A@netlab.nec.de> From: Lars Eggert Date: Tue, 8 Nov 2005 13:56:41 -0800 To: Marc Olzheim X-Mailer: Apple Mail (2.746.2) X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: net@freebsd.org Subject: Re: TCP RST handling in 6.0 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: Tue, 08 Nov 2005 21:57:00 -0000 --Apple-Mail-1-708463057 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed On Nov 8, 2005, at 12:46, Marc Olzheim wrote: > Being on the wrong end of a distributed tcp syn flood attack atm. > on the > machine I'm mailing from, is probably enough to convince me of its > use. The change we are discussing is not protecting you from SYN floods, it is supposed to protect you from spoofed RSTs. Lars -- Lars Eggert NEC Network Laboratories --Apple-Mail-1-708463057--