How to Change your NAT type to open on your PS3
FROMAN1115 teaches you how to change your NAT type to Open on your PlayStation 3. On the PlayStation 3, go to Settings-Network Settings-Settings and Connection Status List and write down your IP. Go to your PC and start your internet browser. Type in 192.168.1.1. This will bring up the router settings page. Go to Applications and games and then DMZ. Check the first box that says Enabled. Enter your IP address below and click ok. Your settings have been saved and you can enter a new internet multiplayer game and you should see that your NAT is now set on Open.