Chapter 10 Network Address Translation (NAT) Screens

10.5Configuring Port Forwarding

"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.

Click Network > NAT > Port Forwarding to open the following screen. This screen is available only when you select SUA only in the NAT > General screen.

See Appendix E on page 475 for port numbers commonly used for particular services.

Figure 93 Port Forwarding

The following table describes the fields in this screen.

Table 54 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

Enter the IP address of the server for the specified service.

Address

 

 

 

Add

Click this button to add a rule to the table below.

 

 

#

This is the rule index number (read-only).

 

 

Active

Click this check box to enable the rule.

 

 

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.

 

 

 

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P-2602HWLNI User’s Guide