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ZyXEL Communications P-660HN-TxA User Manual

Page 140

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Chapter 9 Network Address Translation (NAT)

P-660HN-TxA User’s Guide

140

The following table describes the fields in this screen.

Table 42 Network > 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.

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

This field indicates whether the rule is active or not.

Clear the check box to disable the rule. Select the check box to enable
it.

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.

Port Translation

Start/End Port

This is the start/end port number that the device translates.

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 address mapping rules move up by one when you take this
action.

Apply

Click this to save your changes.

Cancel

Click this to restore your previously saved settings.