BunkerWeb is an open-source Web Application Firewall (WAF) that aims to enhance web security with minimal hassle. Built on NGINX, it serves as a full-featured web server and integrates smoothly into various environments like Linux, Docker, Swarm, and Kubernetes. Users can configure it via a user-friendly web interface or command line, making it accessible to both novices and experts. The software emphasizes security by default, offering core features right out of the box while allowing for extensive customization through a plugin system. Key security features include automated HTTPS support with Let's Encrypt, integration of the ModSecurity WAF, and mechanisms to block suspicious behaviors and known bad IP addresses. Users can apply limits on connections and requests, and implement various bot-blocking challenges. For those interested in a managed solution, BunkerWeb Cloud offers a fully hosted instance with added monitoring and technical support. BunkerWeb also provides a PRO version with enhanced features, which users can trial for free with a promotional code. Configuration is straightforward, allowing users to set specific parameters for their web applications. The software supports multisite mode, enabling users to protect multiple applications from a single instance. This flexibility makes BunkerWeb suitable for diverse security needs.