Tenda TEI480T User Manual page 26

4.3.6.1 Virtual Server
Virtual Server is defined as a service port. All external access to this
port of WAN is re-oriented to the computers on the LAN
Service Port: LAN service port, this refers to the internal service port
which should be connected to the WAN service port.
Network IP: Please input the IP of the internal host which requires to
open virtual service.
Protocol: Please choose protocol of TCP/UDP/ALL for data
transferring.
Enable: Please select "Enable" to activate the setting.
Notice: If you configure the virtual server with service port of 80, then
you are required to set the value in "Remote Control" under "Security
TEI480T/490T/4000 Enterprise & Net-bar Level Router
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