You know when you register your nick with your own password and when you login without entering a pasworrd it comes up with that nickserv command about identifying yourself. How come it doesnt disconnect you when you dont have the password for it.

I tested it out and went into the chat room without a password and i was chatting forever and it never disconnected me until i hit the quit button. What happens if someone who owns the chat room is away and then someone uses your nick and start acting like you to other people thinking its really you?