ZyWALL 5/35/70 Series User’s Guide

Figure 185 Port Forwarding

The following table describes the labels in this screen.

Table 130 Port Forwarding

LABEL

DESCRIPTION

 

 

WAN Interface

Select the WAN port 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 Port(s)

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

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Chapter 22 Network Address Translation (NAT)