Monitor and display registered users activity (logins, posts, comments, etc.). You can also track and prevent hackering attemps, with IP blacklisting.
WP Anti Spam can anti automated spambots or anti spams by"comment","ip","name","email","url".
Plugin tool for assembling lists of IP addresses, emails, and URLs from spam comments.
WP-BlackCheck is an Anti-Spam Solution for WordPress blocking spam using local detection and a centralized Blacklist Service.
The WP Spam Blacklister is a simple spam-prevention plugin that adds the IP address of a marked spam post on WordPress' comments blacklist.
Geo-Captcha shows a captcha image only to countries you don't trust. Geo-Blacklists allows you to disable comments for some countries.
Grants or denies access to a list of IP addresses
SiteBrains blocks spam posts using a completely configurable set of rules.
Both interactively as the user types and on our servers upon submission.
Adds Whitelist and Blacklist options for Trackbacks and Pingbacks
NoFollow Free removes the "nofollow" tag from your WordPress blog's comments with a lot of custom options and provides the option to insert a "NoFollo
Bans IP addresses that have been caught and blacklisted by Spam Karma more than 5 times.
Provides the ability to retrieve information on a commentators IP address without leaving the "edit-comments.php" page.
Provides a simple means to integrate tools provided by Project Honeypot to capture spammers and link harvesters that visit your blog.
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