First u will need to download 1.12 patch blocker here is the link http://megaupload.com/?d=PE2RND7H
Step 1: when downloaded patch blocker open and write down the longest code should look like 192.168.0 then ur code
Step 2: go onto ur ps3 and settings and then internet connection settings
Step 3: then click custom and go along till u find proxy server.
Step 5: on proxy server click use and type in the code u wrtoe down on the top colum.
Step 6: when u have done that go along till it says test connection and click X then O so u have canceld the test.
Step 7: go to game and to the top were it says game data utillity and delete MW2 this is not deleteing ur saved data only the 1.12 patch so u can hack
Final step: when u start mw2 and when u go to choose and game type it should say nere to the bottom 3D cage match, this means u have bypassed, now just join peoples free for all's and hoepfully u will find one which is hacked
if not messgage me on this site and i will host for u as soon as i can
Please sub https://www.youtube.com/user/MW2SPARK5