Start ~ End Port: If you are only forwarding one port, you can put the same port number in both the Start and End Port boxes.
Protocol: If you are not sure which protocol to choose, select both.
To IP Address: This should be the IP address of the computer you want to forward the ports to.
Make sure that you check the Enabled box to activate the setting, then click Save Settings to save the settings.
6.5.3 Applications & Gaming > DMZ
DMZ
Warning: Setting your computer as a DMZ host exposes it to various security vulnerabilities. This feature should be used only when needed.
41