ZyXEL Communications WAH7130, User Manual

Page: 58 / 102

Chapter 8 NAT
WAH7130 User’s Guide
58
Figure 31
Network > NAT > Port Forwarding
The following table describes the labels in this screen.
Table 27
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 the
Port Forwarding
screen. You can decide whether you want to use the default server or specify a server
manually.
Select this to use the default server.
Change to Server Select this and manually enter the server’s IP address.
Service Name Select a pre-defined service from the drop-down list box. The pre-defined service port
number(s) and protocol will be displayed in the port forwarding summary table.
Otherwise, select User define to manually enter the port number(s) and select the IP
protocol.
Service Protocol Select the transport layer protocol supported by this virtual server. Choices are TCP ,
UDP , or TCP_UDP .
If you have chosen a pre-defined service in the Service Name field, the protocol will be
configured automatically.
Server IP Address Enter the inside IP address of the virtual server here and click Add to add it in the port
forwarding summary table.
Port Enter the service port number(s).
If you have chosen a pre-defined service in the Service Name field, the port number
will be configured automatically.
# This is the number of an individual port forwarding server entry.
Status This icon is turned on when the rule is enabled.
Name This field displays a name to identify this rule.
Protocol This is the transport layer protocol used for the service.
Port This field displays the port number(s) that identifies a service.
Server IP Address This field displays the inside IP address of the server.