ZyXEL nbg-5715 Guia Do Utilizador

Chapter 14 NAT

NBG5715 User’s Guide

This screen lets you create or edit a port forwarding rule. Click the Add Port Forward button or a 
rule’s Edit icon in the Port Forwarding screen to open the following screen.

NAT > Port Forwarding Edit 

The following table describes the labels in this screen. 

Apply

Click Apply to save your changes back to the NBG5715.

Cancel

Click Cancel to begin configuring this screen afresh.

Network > NAT > Port Forwarding (continued)

NAT > Port Forwarding Edit

Port Forwarding

Select Enable to turn on this rule and the requested service can be forwarded to 
the host with a specified internal IP address.

Select Disable to disallow forwarding of these ports to an inside server without 
having to delete the entry. 

Service Name

Type a name (of up to 31 printable characters) to identify this rule in the first field 
next to Service Name. Otherwise, select a predefined service in the second field 
next to Service Name. The predefined service name and port number(s) will 
display in the Service Name and Port fields.

Protocol

Select the transport layer protocol supported by this virtual server. Choices are 
TCP, UDP, or TCP&UDP. 

If you have chosen a pre-defined service in the Service Name field, the protocol 
will be configured automatically.

Port

Type a port number(s) to define the service to be forwarded to the specified 
server.

To specify a range of ports, enter a hyphen (-) between the first port and the last 
port, such as 10-20.

Server IP 
Address

Type the IP address of the server on your LAN that receives packets from the 
port(s) specified in the Port field.

Back

Click Back to return to the previous screen.

Apply

Click Apply to save your changes back to the NBG5715.

Cancel

Click Cancel to begin configuring this screen afresh.