From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?iso-8859-1?Q?Geffrey_Vel=E1squez?=" Subject: Re: Protecting against DoS Date: Tue, 9 Dec 2003 14:11:14 -0500 (PET) Sender: netfilter-admin@lists.netfilter.org Message-ID: <9659.200.48.142.50.1070997074.squirrel@www.netfids.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: netfilter@lists.netfilter.org Hi, > Hello, > > First make sure you are using tcpsyn_cookies: > > echo 1 > /proc/sys/net/ipv4/tcp_syncookies -- if you have not compiled Is that valid for forwarded packets? or only destinated to the firewall? Regards, Geffrey.