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a computer in the DMZ should be considered ‘temporary’ because your firewall is no
longer able to provide any security to it.
Port forwarding can sometimes be difficult to configure, but provides a relatively safe
way of running a server from behind a firewall. Since only a single port (or small series
of ports) is exposed to the Internet, the computer is easier to secure. Additionally, port
forwarding allows you to run multiple kinds of servers from different computers on your
LAN.
After you have entered the values in this screen, you can set them up by clicking on the
Apply
button. After you press the
Apply
button, the notification screen will appear. This
screen notifies you of any errors that were detected while changing the router's settings.
If all values were inserted correctly and you do not see any error messages (Validating
values...done and also Committing values...done) your configuration has been updated.
Reboot
the system to enable the new configuration or continue without restarting the
device by pressing the
Continue
button.