Rampart

Rampart is a robust anti-spam tool for MODX Revolution. It can be used to help prevent spam registrations and postings on your MODX Revolution site. It requires the PHP extension mcrypt, and the Login Extra, version 1.5.2 or later.

New in 1.0.0

• [#3628] Automatically temporarily ban IPs that have been reported by StopForumSpam above a certain threshold for X days
• [#3650] Add hook.RampartFormIt, a hook for integrating Rampart into generic FormIt forms
• Add column on Ban Matches grid that shows the Resource the match occurred on
• [#3651] Added Ban Matches, which log the matches on any of your bans and make them viewable in a grid

Please view the official documentation here:
http://rtfm.modx.com/display/ADDON/Rampart