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Chapter 17 Network Address Translation (NAT)
ZyWALL 2WG User’s Guide
398
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
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.
Server IP
Address
Enter the inside IP address of the server here.