User's Manual

Chapter 11 Network Address Translation (NAT)
NBG-417N User’s Guide
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The following table describes the labels in this screen.
Table 47 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.
Local Port Range
Public Port Range
Type a port number(s) to be forwarded.
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 inside IP address of the server that receives packets from the port(s)
specified in the Port field.
Apply Click Apply to save your changes to the Application Rules Summary table.
Reset Click Reset to not save and return your new changes in the Service Name and
Port fields to the previous one.
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.
Local Start/End
Port
Public Start/End
Port
This field displays the port number(s).
Server IP Address This field displays the inside IP address of the server.
Modify Click the Edit icon to display and modify an existing rule setting in the fields
under Add Application Rule.
Click the Remove icon to delete a rule.