NinjaFirewall is a stand-alone PHP firewall script. It allows PHP developers to protect their PHP website against various attacks it may be under.

Even if it can work as a stand-alone, NinjaFirewall is also compatible with most common CMSs and e-commerce platforms, like Drupal, Joomla, WordPress, Virtuemart, osCommerce, X-Cart and PrestaShop.

Features of NinjaFirewall:
- Admin panel
- Easy install script
- Prevent SQL injections, brute-force scanners, shell script, RFI, LFI, XSS, and code execution attacks
- Support for encoded PHP scripts
- Log all firewall activity
- Compatible with most shared hosting providers

Professional Edition Features:
- Automatic updater
- IP ban filter
- Access to all configuration options

Requirements:
- PHP 5.1 or Higher
- MySQL 5 or Higher
- .htaccess and php.ini access

What's New in This Version:
- Better XSS detection (UTF-7 encoding, BBcode etc).
- Improved processing speed.
- Security ruleset update.
- Fixed an issue where IP:port in Host header was not detected.
- Stats page wasn't showing the right number.