EnGenius ETR9330, Руководство пользователя

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Port Forwarding
Port Forwarding allows you to redirect a particular public
port to a computer on your LAN network. This helps
you host servers behind the NAT and Firewall.
In the example below, there is a FTP Server running
on port 21 on the LAN.
For security reasons, the Administrator would like to
provide this server to Internet connection on port 30.
Therefore then there is a connection from the Internet
on port 30, it will be forwarded to the computer with the
IP address 192.168.0.100 and changed to port 21.
Port Forwarding
Enable Port
Forwarding Tick this box to Enable the Port Forwarding feature.
Description: Enter a name or description to help you identify this entry.
Local IP: The local IP address of the computer the server is hosted on.
Protocol: Select to apply the feature to either TCP, UDP or Both types of packet transmissions.
Local Port: The port that the server is running on the local computer.
Public Port:
When a connection from the Internet is on this port, then it will be forwarded to the indicated local IP address.