4.7 Special AP
Some applications require multiple connections, like Internet games, Video conferencing, Internet telephony and so on. Due to the firewall function, these applications can not work with a pure NAT router. Special Applications enables some of these applications to work with a NAT router. If Special Applications is still insufficient to allow an application to function correctly, try DMZ host in the Misc Items options.
1.Trigger: the outbound port number the application issued first.
2.Incoming Ports: when the trigger packet is detected, the inbound packets to the specified port numbers are allowed to pass the firewall.
The
Note! At any time, only one PC can use each Special Application tunnel. 15