DDos Ripper a Distributable Denied-of-Service (DDOS) attack server that cuts off targets or surrounding infrastructure in a flood of Internet traffic

The BGP swiss army knife of networking

The first open-source DDoS protection system

Welcome to vDDoS, a HTTP(S) DDoS Protection Reverse Proxy. Thank you for using!

A firewall that utilizes the Linux kernel's XDP hook. The XDP hook allows for very fast network processing on Linux systems. This is great for dropping malicious traffic from a (D)DoS attack. IPv6 is supported with this firewall! I hope this helps network engineers/programmers interested in utilizing XDP!

堡塔云WAF，宝塔免费(free)的私有云网站应用防火墙(firewall)，基于docker/nginx/lua开发

Web application acceleration, advanced DDoS protection and web security

Web Application Firewall (WAF) for PHP.

A no-nonsense CAPTCHA system with seamless UX | Backend component

GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

Project dedicated to fight Layer 7 DDoS with proof of work, with an additional WAF and controller. Completed with full set of features and containerized for rapid and lightweight deployment.

The Spigot, Bungee and Velocity plugin that parses client IP addresses passed from the TCPShield network.

Lightweight http anti-ddos reverse-proxy made in golang

Anti-DDoS-Lite (Anti-Crawler app) is a small PHP app to protect your site against DDoS attack.

Anti DDOS Protection that will stop DDOS from taking down your Linux Server

Nginx L7 DDoS Protection! And many more features 💥 ⚡

A high-performance, customizable network packet generator and testing tool written in Rust. Designed for network stress testing, security assessments, and protocol analysis.

Cap backend server build on Cloudflare worker, modern open-source CAPTCHA alternative using SHA-256 proof-of-work.

Hades-lite 青松云安全开源的一个内核级 Anti-ddos 的驱动程序，轻量且高效，构建高性能代理防御，单机可抵御7Gb DDoS攻击

Simple script against most network threats.