Suggest a powerful free and open source WAF - UUSEC WAF

# Introduction > **UUSEC WAF** Web Application Firewall is an industrial grade free, high-performance, and highly scalable web application and API security protection product that supports AI and semantic engines. It is a comprehensive website protection product launched by UUSEC Technology, which first realizes the three-layer defense function of traffic layer, system layer, and runtime layer.  Github: https://github.com/Safe3/uuWAF