PunkBuster, recently had been used in the Ultima Online published by Electronic Arts. The software helps prevent games cheats by implementing certain strategies when the game is being played. The very first thing done by PunkBuster is real time memory scanning just like anti-virus software in order to detect cheats and hacks in the database. Then using Internet connection, the software sends the reports to the server and based on the reports may banned he player if found violating the codes. PunkBuster also ensures end-users security by preventing false updates to be downloaded on the client machine.
If player is found violating the game codes, PunkBuster may ban him for desired amount of time or even ban him indefinitely if serious. This anti-cheating software uses MD5 checksum to check the configuration against that of the server. PunkBuster often randomly checks the settings of the player and screenshots to detect any exploits. Also, free anti-cheating software ensures that players don’t use bad or vulgar names as their profile names. PunkBuster also aims at banning the hardware of the system if cheats are detected. This is the unique initiation done by PunkBuster and joined by other NPOs like Anti-Cheat Inc, PBBans, AASA etc. These organizations share the same data and report to each other the name of the player who is found violating the games ethics.
PunkBuster is not compatible with every game and graphics card. For example, Crysis does not have any 64-bit version of PunkBuster thus restricting 64-bit clients from using the anti-cheat software. Similarly, free anti-cheat software downgrades the performance of ATI graphics cards. PunkBuster needs to be updated quickly and regularly as new cheats are developing quickly. This free anti-cheat software bans the computer hardware if it finds a cheat interfering with its process. The software bans the player globally i.e. player is banned from all PunkBuster enabled games servers rather than a single server.
Below is a list of few games that uses PunkBuster cheat detecting algorithm:
Call of Duty2
Call of Duty 3
Call of Duty 4
Medal of Honor: Airborne
Need for Speed: ProStreet
Soldier of Fortune: Double Helix
Rainbow Six 3: Raven Shield
Rainbow Six: Vegas
Rainbow Six: Vegas 2
Wolfenstein: Enemy Territory
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