ZyXEL Communications ZyXEL ZyWALL P1, User Manual

Page: 187 / 369

ZyWALL P1 User’s Guide
186 Chapter 11 Network Address Translation (NAT)
To change your ZyWALL’s trigger port settings, click NAT and the Port Triggering tab. The
screen appears as shown.
Figure 82 NAT: Port Triggering
The following table describes the labels in this screen.
Table 67 NAT: Port Triggering
LABEL DESCRIPTION
# This is the rule index number (read-only).
Name Type a unique name (up to 15 characters) for identification purposes. All characters are
permitted - including spaces.
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.