Bukkit

Basic configuration settings:
remoteHost - this is the IP address or hostname of the chat server. You should never need to change this from the default value.
remotePort - this is the port of the chat server. You should never need to change this from the default value.
debugmode - enables or disables debug mode upon start. This is not required for operation and is disabled by default.
connectPassword - password required to connect to chat server.
linkName - hostname in form of fully qualified domain name that identifies your server. This is required to connect.
consoleChannel - toggles sending of events to your console channel on IRC. THIS CAN EXPOSE INFORMATION YOU MIGHT NOT WANT!
ircJoinMsg - message sent to in game users when someone joins a channel on IRC.
ircPartMsg - message sent to in game users when someone parts a channel on IRC.
ircQuitMsg - message sent to in game users when someone quits IRC.
ircNickChange - message sent to in game users when someone changes a nickname IRC.
ircPrivAction
ircChanAction
ircChanMsg
ircPartMsg
burstSpam - toggles displaying joins when establishing connection.

Configuration variables:

%username% - IRC nickname of event source
%channel% - IRC channel of event source
%message% - Message associated with event source nickname
%reason% - Join or quit reason from IRC user
%hostmask% - Hostmask of IRC user
%ident% - Ident of IRC user
%newname% - New nickname of an IRC user

Please note that not all variables will be used with all events.