Draytek 2130 manual Name, Specify the name for the defined network service, Protocol, Tcp+Udp

Name	Specify the name for the defined network service.
Protocol	Specify the transport layer protocol. It could be TCP, UDP and
	TCP+UDP.

Start Port	Specify the starting port number of the service offered by the
	local host.
End Port (optional)	Specify the ending port number of the service offered by the
	local host.
Local Host	Enter the private IP address of the local host.
Local Port (optional)	If it is configured, the forwarded traffic is mapped to this port
	on the local host.

114 Vigor2130 Series User’s Guide