From mboxrd@z Thu Jan 1 00:00:00 1970 From: "ITM CS Ruslan O. Nesterov" Subject: Re: netfilter under heavy load. Date: Mon, 6 Jan 2003 14:24:15 +0300 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1262587210.20030106142415@complexsystem.ru> References: <007101c2b4d0$be992520$0100a8c0@win98> Reply-To: "ITM CS Ruslan O. Nesterov" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <007101c2b4d0$be992520$0100a8c0@win98> 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-admin@lists.netfilter.org, Mike Olivere Cc: netfilter@lists.netfilter.org Hello Mike, Well actually it's not a big problem, I got 100 GB a day passing through our gateway to our clients, as far i didn't find any problems for webservers wich are not NATed, as for clients who are in DMZ zone i sometimes get connection error, but it's 1 in 1000 connections. I run a box with the following configuration: Single PIII-866 MHZ RAM: 256 NIC: 2 Intel Gigabit ethernet cards (as far as i remember). Befor it I used a Firebox firewall and it really drived me nuts. Due to low productivity. Sunday, January 5, 2003, 6:40:15 PM, you wrote: MO> Hello, I don't know if this has been brought up before but I am going to be MO> running netfilter under load on a fractional T-3 (12Mbps). The box will have MO> 3 interfaces eth0 going to the Cisco 7200, eth1 (routable IPs) going to the MO> webfarm for DMZ zone, and then eth2 will be NATed with a private LAN IP MO> (192.168.1.x). I will be NATing over 200 clients and I know in the past this MO> could be a problem with IPCHAINS because it would either run out of memory MO> or start dropping connections. The webservers get about 7,000 hits a day and MO> they won't be NATed but will be filtered with a mix of statefule and packet MO> filtering rules. We have a Cisco PIX 525(which is just a Intel P600/512MB MO> RAM) in place right now but I would like to move to Netfilter as it will be MO> running on a dual P1ghz and a gig of memory. Is this possible? can Nefilter MO> scale to this and beyond? and is there any tweaks I should know about? MO> Thanks in advance. MO> Mike -- Best regards, ITM mailto:ruslan@complexsystem.ru