Observa Telecom TD851W User Manual page 52

TD851W 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-27
Usual Service Name: The Router provides some common services. Select the one you
need.
User-defined Service Name: If the service can not be found in the Usual Service Name
drop-down list, just enter the name manually in this field instead.
Protocol: The protocol used for this virtual server.
WAN Setting: The WAN setting of this virtual server used; it can be interface and IP address.
Select a desired one, and then options available will change to offer the configuration.
WAN Interface: The interface on which the virtual server used on WAN side
WAN IP Address: The IP address which the virtual server used on WAN side. You can
access this IP and WAN port from WAN side to obtain the service.
WAN Port: The open port on WAN side. It can be either a single port or a port range.
LAN Open Port: The open port on LAN host. It can be either a single port or a port range.
LAN IP Address: The IP address of the host which provides the service on LAN side.
Click the Apply Changes button to save your configuration.
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