Belkin F5D7632uk4v3000 - Manual (Page 49)

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Manually Configuring your Router
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Virtual Servers
Virtual servers 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, machines from the Internet cannot
get to them because they cannot be “seen”. If you need to configure
the virtual server function for a specific application, you will need to
contact the application vendor to find out which port settings you
need. You can manually input this port information into the Router.
Choosing an Application
Select your application from the drop-down list. Click “Add”. The settings
will be transferred to the next available space in the screen. Click “Apply
Changes” to save the setting for that application. To remove an application,
select the number of the row that you want to remove then click “Clear”.
Manually Entering Settings into the Virtual Server
To manually enter settings, enter the IP address in the space provided for
the internal (server) machine, the port(s) required to pass, select the port
type (TCP or UDP), and click “Apply Changes”. Each inbound port entry
has two fields with 5 characters maximum per field that allows a start
and end port range, e.g. [xxxxx]-[xxxxx]. For each entry, you can enter a
single port value by filling in the two fields with the same value (e.g. [7500]-
[7500] or a wide range of ports (e.g. [7500]-[9000]). If you need multiple
single port value or mixture of ranges and a single value, you must use
multiple entries up to the maximum of 20 entries (e.g. 1. [7500]-[7500], 2.
[8023]-[8023], 3. [9000]-[9000]). You can only pass one port per internal
IP address. 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.