Bukkit

Default Config:

Protect Players:
  Hamiii:
    IP: 0.000.00.000

To set up a player just copy and paste from "Hamiii" to "IP" and then change "Hamiii" to the players name you want to add then go in game and make sure there online then do /safety ip [player name] then copy there IP in to the IP section in the config then save reload the server and your done!