User`s guide

Chapter 8 Network Address Translation (NAT)
P-660HN-Fx User’s Guide
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Figure 72 Network > NAT > Port Forwarding
The following table describes the fields in this screen.
8.3.2 The Port Forwarding Rule Edit Screen
Use this screen to edit a port forwarding rule. Click the rule’s edit icon in the Port
Forwarding screen to display the screen shown next.
Table 45 Network > NAT > Port Forwarding
LABEL DESCRIPTION
Default Server Setup
Default Server In addition to the servers for specified services, NAT supports a default server. A
default server receives packets from ports that are not specified in this screen. If
you do not assign a Default Server IP address, the ZyXEL Device discards all
packets received for ports that are not specified here or in the remote management
setup.
Port Forwarding
Service Name Select a service from the drop-down list box.
Server IP
Address
Enter the IP address of the server for the specified service.
Add Click this button to add a rule to the table below.
# This is the rule index number (read-only).
Active This field indicates whether the rule is active or not.
Clear the check box to disable the rule. Select the check box to enable it.
Service Name This is a service’s name.
Start Port This is the first port number that identifies a service.
End Port This is the last port number that identifies a service.
Server IP
Address
This is the server’s IP address.
Modify Click the edit icon to go to the screen where you can edit the port forwarding rule.
Click the delete icon to delete an existing port forwarding rule. Note that
subsequent address mapping rules move up by one when you take this action.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.