NAT Port Forwarding Filters Routing Firewall RIP PPP ADSL ATM VCC DMZ DMZ (Demilitarized Zone) is used to allow a single computer on the LAN to be exposed to the Internet.   DMZ EnableDisable IP Address Port Forwarding Port Forwarding is used to allow Internet users access to LAN services. Private IP Protocol Type AllTCP UDP Private Port Public Port ~ Single PortPort Range Any PortSafe Ports Port Forwarding List # Private IP Protocol Private Port Public Port