From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Taylor Subject: Re: Portsweep Date: Tue, 23 Sep 2008 15:36:27 -0500 Message-ID: <48D9534B.4080602@riverviewtech.net> References: <194384.45623.qm@web55301.mail.re4.yahoo.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <194384.45623.qm@web55301.mail.re4.yahoo.com> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Mail List - Netfilter On 09/23/08 01:51, bahamin takhtaei wrote: > Do you know How to use iptables against Portsweep attacks? There use to be a Port Scan Detection (psd) match extension that would help detecting this easier. I.e. did it look like a system was initiating a port scan, and if so, handle it accordingly (drop / reject / tar pit / etc.). I don't know what the current state of the psd match is, so you will have to find out. Grant. . . .