1. Create a OpenDNS account.
OpenDNS | Internet Navigation And Security
2. Assign a static DNS on your router (Primary DNS: 208.67.222.222 Secondary DNS: 280.67.220.220)
3. Login to your OpenDNS account, click on Settings tab. Under the Add a Network section on the IP address box you will see your WAN IP address, just click on Add this network button. You can see your WAN IP address in the Manage your network section if you add it successfully.
4. To block something from the Internet (P2P, Torrent, Porn sites etc) click on your WAN IP address and you will be redirecting to the Contect Filtering. Click on Customize and select a categories you want to block and click Apply. The settings that you made will take effect after 3 minutes.