ZyXEL p-320w Guida Utente

P-320W User’s Guide

Chapter 8 Network Address Translation (NAT)

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The following table describes the labels in this screen.

Table 43   NAT: Port Forwarding

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 Prestige discards all packets 

received for ports that are not specified in this screen or remote management.

#

Number of an individual SUA server entry.

Active

This icon is turned on when the port forwarding entry is enabled. 
Click the edit icon under Modify and select the Active checkbox in the Rule Setup 

screen to enable the port forwarding entry.
Clear the checkbox to disable forwarding of these ports to an inside server without 

having to delete the entry. 

Name

This field displays a name to identify this port-forwarding rule.

Start Port

This field displays a start port number. 

End Port

This field displays an end port number. If the same port number as the Start Port is 

displayed then a single port is forwarded. If a different number to the Start Port 

number is displayed then a range of ports are forwarded.

Server IP Address This field displays the inside IP address of the server.

Modify

Click the edit icon to open the address mapping rule screen. Modify an existing rule 

or create a new rule in the Rule Setup screen.
Click the delete icon to remove an address mapping rule.

Apply

Click Apply to save your changes back to the Prestige.

Reset

Click Reset to begin configuring this screen afresh.

To edit a port forwarding rule, click the edit icon under Modify. The following screen 
displays.

Figure 59   NAT: Port Forwarding: Rule Setup