freebsd-pf Stealth Modus

[Helmut Schneider]

From: "Nico De Dobbeleer" <nico at elico-it.be>
> I just finished installing FreeBSD 7.x with pf in transparant bridging
> mode as the servers behind the firewall need to have an public
> ipaddress.  Now is everything working fine and the FW is doing his job as
> it should be. When I nmap the FW I see the open ports and closed ports.
> Is there a way the get the FW running in stealth mode so that isn't
> possible anymore with nmap or any other scanning tool to see the open or
> closed ports?

There is no "stealth". If a service responds to a request the port is 
"open". If not it's closed.

Helmut