On Tue, May 28, 2002 at 02:42:51PM -0400, George Georgalis wrote: > > Hi All, > > Why does this nmap scan show these ports filtered, not closed? > > 50420/tcp filtered unknown > 50421/tcp filtered unknown > 50422/tcp open unknown > 50423/tcp filtered unknown > 50424/tcp filtered unknown
"filtered" means: I sent syn and got nothing back. > > Here are the relevant firewall rules: > [snip] > > Also, I was wondering why a connect from the LAN port 50422 (to the > firewall) does nat to 192.168.0.1:22? It works from the internet.... What is it supposed to do then? If you only want this from the Internet then do: iptables -t nat -A PREROUTING -i $EXTIF -p tcp --dport 50422 -j DNAT --to-destination 192.168.0.1:22 Ramin > > Thanks, > // George > > > -- > GEORGE GEORGALIS, System Admin/Architect cell: 347-451-8229 > Security Services, Web, Mail, mailto:[EMAIL PROTECTED] > File, Print, DB and DNS Servers. http://www.galis.org/george >
