ChatLimiter

This plugin was created when a server that im dev on got attacked by spambots. It is made to block all aspects of spam bots from making sure they move before talking, limiting the rate at which they can rejoin, limit the rate of chat, limit the rate of commands (cant spam /afk etc.) block duplicate messages etc. It it a all in one, lightweight (6kb!) simple to use easy solution to blocking spambots and spamming players.

Features

• Rate limit player chat
• Rate limit player commands
• Block duplicated messages and commands
• Rate limit logins
• Force players to move before talking

Setup

• Drop the plugin in your plugin folder, and your done. You can configure the settings as you like, but the default should work fine.

Permissions

chatlimiter.ignore - lets players bypass all blocks

Commands

None, it is all self managed

Source

http://mc-sg.org/plugins/ChatLimter/ChatLimiter.java