Chapter 15 Network Address Translation (NAT)
NBG-419N User’s Guide
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Refer to Appendix E on page 281 for port numbers commonly used for particular
services.
Figure 94 Network > NAT > Application
The following table describes the labels in this screen.
Table 58 Network > NAT > Application
LABEL DESCRIPTION
Add Application Rule
Active Select the check box to enable this rule and the requested service can
be forwarded to the host with a specified internal IP address.
Clear the checkbox to disallow forwarding of these ports to an inside
server without having to delete the entry.
Service Name Type a name (of up to 31 printable characters) to identify this rule in
the first field next to Service Name. Otherwise, select a predefined
service in the second field next to Service Name. The predefined
service name and port number(s) will display in the Service Name and
Port fields.
Port Type a port number(s) to define the service to be forwarded to the
specified server.
To specify a range of ports, enter a hyphen (-) between the first port
and the last port, such as 10-20.
To specify two or more non-consecutive port numbers, separate them
by a comma without spaces, such as 123,567.
Server IP
Address
Type the IP address of the server on your LAN that receives packets
from the port(s) specified in the Port field.
Application Rules Summary
#This is the number of an individual port forwarding server entry.
Active This icon is turned on when the rule is enabled.
Name This field displays a name to identify this rule.
Port This field displays the port number(s).