BBQ Firewall is a lightweight, super-fast plugin that protects your site against a wide range of threats. BBQ checks all incoming traffic and quietly blocks bad requests containing nasty stuff like eval(, base64_, and excessively long request-strings. This is a simple yet solid solution for sites that are unable to use a strong Apache/.htaccess firewall.
Pro version of Block Bad Queries security plugin. Advanced protection against malicious URL requests and exploits. BBQ Pro checks all incoming traffic and quietly blocks any requests that contain nasty stuff like base64_, eval(, and .exec(.