Draytek Vigor2912 User Manual page 199

Available settings are explained as follows:
Item
Enable Open Ports
Comment
WAN Interface
Private IP
Protocol
Start Port
End Port
Description
Check to enable this entry.
Make a name for the defined network application/service.
Specify the WAN interface that will be used for this entry.
Enter the private IP address of the local host or click
Choose IP to select one.
Choose IP - Click this button and, subsequently, a window
having a list of private IP addresses of local hosts will
automatically pop up. Select the appropriate IP address of
the local host in the list.
Specify the transport layer protocol. It could be TCP, UDP,
or ----- (none) for selection.
Specify the starting port number of the service offered by
the local host.
Specify the ending port number of the service offered by
the local host.
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Vigor2912 Series User's Guide