Draytek Vigor 2200V, User Manual

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NAT Setup
5-8
Enable Open Ports Check to enable the Open Port function for this entry.
Comment Specify the name for the defined network service.
Local Computer Enter the private IP address of the local host.
Choose PC Click this button and, subsequently, a window having a list of
private IP addresses of local hosts will automatically pop up.
Select one appropriate IP address of the local host in the list.
Protocol Specify the transport layer protocol. It could be TCP, UDP, or
NONE for selection.
Start Port Specify the starting port number of the service offered by the
local host.
End Port Specify the ending port number of the service offered by the
local host.
5.2.4 Well-known Port Number List
This page provides some well-known port numbers for your reference.