ad hoc board → Port Blocking is a must these days

ANALOG-X is the Stuff port blockers are made of
This program is "NOT" a Firewall, but it will allow you to run a server that is only available on the local network

»www.analogx.com/contents ··· lock.htm

Hope you find it as useful as I have
g'luck
pR0sp3ct
irc.modbox-world.com
#dvd-pR0sp3ct