How to catch a quake live hacker part 3

5. Check the PBBans Master Player and Master Ban indexes. Use the pb_sv_plist command and write down the last eight characters of the player's GUID. Go to the PBBans homepage and click on the MPi (if you have a PBBans account) or the MBi. Enter the GUID in the text entry field, then select "GUID", "Exact Match," and the game name from the drop down menus. Check "Show Linked GUIDs" and "Alias Tracker." It is up to the server owner what criteria constitutes a ban. The most common criteria are an exact IP match and a common alias between two GUIDs. PBBans also has a similar tool.