Belkin F5D7230-4 User Manual page 71

Using the Web-Based Advanced User Interface
Configuring Internal Forwarding Settings
The "Virtual Servers" function will allow you to route external (Internet)
calls for services such as a web server (port 80), FTP server (Port 21),
or other applications through your Router to your internal network .
Since your internal computers are protected by a firewall, computers
outside your network (over the Internet) cannot get to them because
they cannot be "seen ." You will need to contact the application vendor
to find out which port settings you need .
Entering Settings into the Virtual Server
To enter settings, enter the IP address in the space provided for the
internal (server) machine, and the port(s) required to pass . Then select
the port type (TCP or UDP), port number, check the "Enable" box, and
click "Set" . Opening ports in your firewall can pose a security risk . You
can enable and disable settings very quickly. It is recommended that
you disable the settings when you are not using a specific application .
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