ZyXEL Communications P-660HN-T1H User Manual

 Chapter 9 Network Address Translation (NAT)

P-660HN-T1H User’s Guide

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 66   Network > NAT > Port Forwarding: Edit 

The following table describes the fields in this screen.

Table 43   Network > NAT > Port Forwarding: Edit 

Rule Setup
Active

Click this check box to enable the rule.

Service Name Enter a name to identify this port-forwarding rule.
Start Port 

Enter a port number in this field. 

To forward only one port, enter the port number again in the End Port 
field. 

To forward a series of ports, enter the start port number here and the end 
port number in the End Port field.

End Port 

Enter a port number in this field. 

To forward only one port, enter the port number again in the Start Port 
field above and then enter it again in this field. 

To forward a series of ports, enter the last port number in a series that 
begins with the port number in the Start Port field above.

Server IP 
Address

Enter the inside IP address of the server here.

Port 
Translation 
Start / End 
Port

Enter the start port number here to which you want the device to 
translate the incoming port. For a range of ports, you only need to enter 
the first number of the range to which you want the incoming ports 
translated, the device automatically calculates the last port of the 
translated port range.

Back

Click this to return to the previous screen without saving.