The !ban command.
How does the ban command work? Does it ban based on username, IP, CD key?
More information would be wonderful.
I would say it bans the username since IP can change, but I have no information at all
It probably bans the account. IP bans are stupid for a number of reasons and CD keys should eventually be tied to acounts when BattleNet 2.0 comes.
That said it is powerful enough for most purposes. Only some really no life trolls with far too much free time would bother making another account to avoid a personal ban instead of hosting their own lobby.