ZyXEL Communications NBG-417N manual 124, Network NAT Application

Chapter 11 Network Address Translation (NAT)

Refer to Appendix E on page 253 for port numbers commonly used for particular services.

Figure 71 Network > NAT > Application

The following table describes the labels in this screen.

Table 47 Network > NAT > Application

LABEL	DESCRIPTION
Add Application Rule
Active	Select the check box to enable this rule and the requested service can
	be forwarded to the host with a specified internal IP address.
	Clear the checkbox 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.
Local Port	Type a port number(s) to be forwarded.
Range	To specify a range of ports, enter a hyphen (-) between the first port
Public Port	and the last port, such as 10-20.
Range	To specify two or more non-consecutive port numbers, separate them
	by a comma without spaces, such as 123,567.
Server IP	Type the inside IP address of the server that receives packets from the
Address	port(s) specified in the Port field.
Apply	Click Apply to save your changes to the Application Rules Summary
	table.

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NBG-417N User’s Guide