Step 1: Login to the ASUS router via the default gateway address.
Step 2: Click on “WAN” under “Advanced Settings.”
Step 3: Click on “Virtual Server/Port Forwarding.”
Please Note: Depending on your firmware this page may differ.
Step 4: Click on “Yes” next to “Enable Port Forwarding”. Next, enter the Service Name, Port Range and Local IP. Then set the Protocol to “Both.”
Step 5: Next, click “Add/Delete” and then “Apply.”
You should be able to connect to your device via a web browser. Simply enter your hostname followed by the port number into the address bar. For example http://hostname.ddns.net:8000.
Please Note: If you are using a mobile application, you will simply need to use your hostname to connect. The application should already specify the port when attempting to connect.