Belkin 8820NP00425, F5D7234NP4 user manual Using the Web-Based Advanced User Interface, sections

Using the Web-Based Advanced User Interface

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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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