http:BL WordPress Plugin

http:BL WordPress Plugin allows you to verify IP addresses of clients
connecting to your blog against the Project Honey Pot database.

Author:Jan Stępień, Viktor Szépe, Brian Layman (profile at wordpress.org)
WordPress version required:2.0
WordPress version tested:3.3.2
Plugin version:1.9.1
Added to WordPress repository:04-05-2007
Last updated:31-07-2015
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
Rating, %:100
Rated by:4
Plugin URI:http://wordpress.org/extend/plugins/httpbl/
Total downloads:10 495
Active installs:700+
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http:BL WordPress Plugin allows you to verify IP addresses of clients connecting to your blog against the Project Honey Pot database. Thanks to http:BL API you can quickly check whether your visitor is an email harvester, a comment spammer or any other malicious creature. Communication with verification server is done via DNS request mechanism, which makes the query and response even quicker. Now, thanks to http:BL WordPress Plugin any potentially harmful clients are denied from accessing your blog and therefore abusing it.

This plugin is in the process of being refreshed. Compatibility with current versions of WordPress is unknown. Versions prior to 2.0 should be used only with extreme caution. There are known security issues and vulnerabilities.

New Maintainers

Viktor Szépe and Brian Layman are now maintaining this plugin.
If you have any suggestions or comments, please add them on the WordPress Support Forum here: https://wordpress.org/support/plugin/httpbl

Or as a GitHub issue here: https://github.com/WP-http-BL/httpbl/issues