ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 136)

ZyWALL 2 Series User’s Guide
8-14 NAT
Table 8-7 Trigger Port
LABEL DESCRIPTION
Incoming Incoming is a port (or a range of ports) that a server on the WAN uses when it sends out a
particular service. The ZyWALL forwards the traffic with this port (or range of ports) to the
client computer on the LAN that requested the service.
Start Port Type a port number or the starting port number in a range of port numbers.
End Port Type a port number or the ending port number in a range of port numbers.
Trigger The trigger port is a port (or a range of ports) that causes (or triggers) the ZyWALL to
record the IP address of the LAN computer that sent the traffic to a server on the WAN.
Start Port Type a port number or the starting port number in a range of port numbers.
End Port Type a port number or the ending port number in a range of port numbers.
Apply Click Apply to save your changes back to the ZyWALL.
Reset Click Reset to begin configuring this screen afresh.