Chapter 17 Network Address Translation (NAT)

Figure 249 ADVANCED > NAT > Port Forwarding

The following table describes the labels in this screen.

Table 119 ADVANCED > NAT > Port Forwarding

LABEL

DESCRIPTION

WAN Interface

Select the WAN interface for which you want to view or configure address mapping

 

rules.

 

 

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 ZyWALL discards all packets

 

received for ports that are not specified here or in the remote management setup.

 

 

Go To Page

Choose a page from the drop-down list box to display the corresponding summary

 

page of the port forwarding servers.

 

 

#

This is the number of an individual port forwarding server entry.

 

 

Active

Select this check box to enable the port forwarding server entry. Clear this check

 

box to disallow forwarding of these ports to an inside server without having to delete

 

the entry.

 

 

Name

Enter a name to identify this port-forwarding rule.

 

 

Incoming

Enter a port number here. To forward only one port, enter it again in the second

Port(s)

field. To specify a range of ports, enter the last port to be forwarded in the second

 

field.

 

 

Port Translation

Enter the port number here to which you want the ZyWALL 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 ZyWALL automatically calculates

 

the last port of the translated port range.

 

 

Server IP

Enter the inside IP address of the server here.

Address

 

 

 

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ZyWALL 2WG User’s Guide