ZyXEL Communications P-791R, User Manual

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Chapter 7 Network Address Translation (NAT) Screens
P-791R v2 User’s Guide
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The following table describes the fields in this screen.
7.5.1 Port Forwarding Rule Edit
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.
Figure 45 NAT > Port Forwarding > Edit
Table 26 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 or select User define to go to the
Rule Setup screen and define your own service and its forwarding actions.
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 Click this check box to enable the rule.
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 rules move up by one when you take this action.
Apply Click Apply to save your changes back to the ZyXEL Device.
Cancel Click Cancel to return to the previous configuration.