This section is extremely incomplete. For now, the easiest way to check out all the available options for ERC is to do M-x customize-group erc RET.
nil, this is a list of IRC message types to hide, e.g.:
(setq erc-hide-list '("JOIN" "PART" "QUIT"))
erc-hide-list, but only applies to messages sent by
lurkers. The function
erc-lurker-p determines whether a given
nickname is considered a lurker.
nil, this will rename server buffers to reflect the
current network name instead of IP:PORT
(setq erc-rename-buffers t)