Things You'll Need
Instructions
Open a web browser on your computer.
Enter your IP address into the address line of your web browser then press "Enter."
Enter the username and password required to access your router.
Click "Firewall."
Click "Firewall Settings."
Select your Xbox from the drop-down menu.
Click "Add a new user-defined application."
Click "Protocol UDP."
Enter "88" in the "From" and "To" boxes then click "Add Definition."
Enter "3074" for "From" and "To" and add a definition for UDP and TCP protocols.
Enter "53" for "From" and "To" and add a definition for UDP and TCP protocols.
Enter "80" for "From" and "To" for the TCP protocol then click "Add Definition." You have now opened all the ports required for your Xbox 360. Your MS ping will now be reduced when gaming online.