From mboxrd@z Thu Jan 1 00:00:00 1970 From: /dev/rob0 Subject: Re: Filtered Port Date: Tue, 31 Jan 2006 08:28:03 -0600 Message-ID: <200601310828.03996.rob0@gmx.co.uk> References: <43DF6C38.6010204@mail.bloomfield.k12.mo.us> <61929.193.173.147.3.1138716397.squirrel@webmail.sterenborg.info> <43DF7196.6070606@mail.bloomfield.k12.mo.us> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <43DF7196.6070606@mail.bloomfield.k12.mo.us> Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="us-ascii" To: netfilter@lists.netfilter.org On Tuesday 2006-January-31 08:17, Scott Mayo wrote: > I still have no idea why port 3389 is shown as being filtered. I > have no rules in my iptables that explicitly filter it. This is normal for a forwarded port which cannot get replies back to the originator. Closed means you get an icmp-port-unreachable reply back. Open means the SYN/ACK connection negotiation succeeds (although with a stealth scan you do not complete the negotiation.) Filtered means ... anything else. You don't get anything back. -- Offlist mail to this address is discarded unless "/dev/rob0" or "not-spam" is in Subject: header