User's Manual

Chapter 11 NAT and Firewall (WAN to LAN)
NBG-510S User’s Guide
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Figure 62 Network > NAT > Port Triggering > Add/Edit
The following table describes the labels in this screen.
Table 23 Network > NAT > Port Triggering > Add/Edit
LABEL DESCRIPTION
Name Type a unique name (up to 16 alpha-numeric characters) for identification
purposes. Underscores (_) and hyphens (-) are also allowed but other special
characters and spaces are not.
Outgoing
(Trigger) Port
Range
The trigger port range of ports causes (triggers) the ZyXEL Device to record the IP
address of the LAN computer that sent the traffic to a server on the WAN.
Enter the starting and ending port numbers for the range.
Incoming
(Response) Port
Range
This is the range of ports that a server on the WAN uses when it sends out a
service’s traffic. The ZyXEL Device forwards incoming traffic with these ports to
the LAN computer that requested the service.
Enter the starting and ending port numbers for the range.
Apply Click Apply to save the settings.
Cancel Click Cancel to return to the previous screen and not save your changes.