RSFirewall is a WordPress security plugin designed to protect websites from various online threats. It offers a range of features that safeguard against local and remote file inclusion attacks, SQL injections, and more. The free version includes essential functionalities like active monitoring of core file integrity, email notifications for detected threats, and options to customize access to the wp-admin area, enhancing overall website security.

For users seeking advanced protection, the paid version introduces features such as Two Factor Authentication, country blocking, and enhanced file integrity checks. Additionally, RSFirewall provides the ability to convert email addresses to images and protect forms from abusive IP addresses. Its integration with third-party services allows for real-time comparison of file hashes, ensuring that any modifications to files are promptly addressed, thereby maintaining the integrity of the WordPress installation.