From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rob Sterenborg" Subject: RE: open ports 25/tcp and 110/tcp Date: Thu, 4 Dec 2003 00:08:05 +0100 Sender: netfilter-admin@lists.netfilter.org Message-ID: <20031203230801.40CDE9A9@sterenborg.info> References: <002101c3b9ef$53e5d780$0201a8c0@OurPC> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <002101c3b9ef$53e5d780$0201a8c0@OurPC> 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 > Although my script seems to be correct namp is finding ports 25/tcp > and 110/tcp open. To start troubleshooting this problem I've > commented everything out and stripped down the ruleset to just the > default DROP policy. Yet nmap -sT -F -P0 -0 xx.xx.xx.xx still > returns 25/tcp and 110/tcp as open! Did you check the PC from another host ? If you do that, the ports will show open even if they are closed. Check from another host and it should show closed or filtered. Gr, Rob