Need more info than that. How about a listing of your rules so far.
Have you tried adding a drop rule for that port?

Brian
> -----Original Message-----
> From: mgoins@kcp.com [mailto:mgoins@kcp.com]
> Sent: Tuesday, July 09, 2002 7:57 AM
> To: kclug@kclug.org
> Subject: iptables
> 
> 
> Howdy all,
> 
> 
> I 'm looking to hide an open port from my LAN (nmap scans) 
> and have only
> open to one machine. I'm thinking iptables, I have read the 
> man page and
> the how-to. but I can't seem to get it working. I am able to block
> everybody but the one host. I am not able to hide it from 
> nmap as being
> open.
> 
> 
> 
> Any help would be great.
> 
> 
> Thanks,
> 
> ~Michael
> 
> 
> 
> majordomo@kclug.org
>