Bukkit

Changelog:

Version 0.1: Initial release

Version 0.2: - Bans ip instead of username when too many consecutive logins - Rejects login after maxLogins is reached instead of kicking the player

Version 1.0 - Changed liscense

Version 1.1 - Added command to ban or ip ban the last player that logged in

config.dat doesn't generate itself. It needs to be downloaded and placed in the root directory of the server.