From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rob Sterenborg" Subject: Re: Synfloods - SNAT slow down Date: Fri, 23 Apr 2004 16:37:16 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <005f01c42940$79a18210$1202a8c0@admin> References: <005201c428d1$a2ab2ea0$2800a8c0@jupiter> <200404230801.57077.lists@edeca.net> <007601c42938$e74199c0$2800a8c0@jupiter> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit 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 > I have two thousand hosts and two thousand forward rules :( With so many hosts/rules you should be able to match subnets instead of each host separately, reducing the number of rules greatly which in turn improves Netfilter performance. Or do you have a special reason to do this ? Gr, Rob