ZyXEL Communications NBG-417N User Manual
Page 124
Chapter 11 Network Address Translation (NAT)
NBG-417N User’s Guide
124
Refer to
for port numbers commonly used for particular
services.
Figure 71 Network > NAT > Application
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.