From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anders Fugmann Subject: Re: Filtering Nimda, Code Red and Code Red II Date: Wed, 11 Sep 2002 11:21:50 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <3D7F0B2E.3050501@fugmann.dhs.org> References: <3D7EFBCF.70406@fugmann.dhs.org> <00a601c259ee$57f815c0$6500a8c0@systemsadmin> 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"; format="flowed" To: "Joe de Vera Jr." Cc: netfilter@lists.netfilter.org Joe de Vera Jr. wrote: > hello fellas, > > can i make use of the iptables scripting to disable the access pages... for > example for code red it access /default.ida page while in nimda /root.exe > and cmd.exe To some extention yes. You should use the 'string' match and patch your kernel to support it, but it may not work in all cases. The best way to stop it is to configure your webserver to disallow any requests with the specified string. The webserver knows of the http protocol, iptables does not. -- Author of FIAIF FIAIF is an Intelligen/Iptables Firewall http://fiaif.fugmann.dhs.org