Repository Index

Weighs the soul of incoming HTTP requests to stop AI crawlers

• defense
• security

SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.

• firewall
• http-flood
• security
• sql-injection

Daemon to ban hosts that cause multiple authentication errors

• linux
• macos
• security
• intrusion-prevention

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

• security
• waf
• anti-bot
• blocklist

🏔 Love Freedom - ❌ Block Mass Surveillance

• application-firewall
• dns
• firewall
• go

Make your infrastructure invisible to attackers. OpenNHP implements the Network-infrastructure Hiding Protocol (NHP): authenticate before connection, cryptographically. IETF draft.

• cybersecurity
• zero-trust
• zero-trust-network-access
• zero-trust-security

🛡️ Open-source and cloud-native Web Application Firewall (WAF)

• nginx
• modsecurity
• docker
• security

A very powerful and friendly nginx base on lua-nginx-module( openresty ) which provide WAF, Control Panel, and Dashboards.

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library

• coraza
• waf
• coraza-waf
• owasp-crs

open-appsec is a machine learning security engine that preemptively and automatically prevents threats against Web Application & APIs. This repo include the main code and logic.

• api-security
• application-security
• kubernetes
• nginx

Industry-leading free, high-performance, AI and semantic technology Web Application Firewall and API Security Gateway (WAAP) - UUSEC WAF.

• waf
• application-security
• web-application-firewall
• modsecurity

The first open-source DDoS protection system

• dpdk
• ddos
• ddos-mitigation
• ddos-protection

Real-time network monitor + outbound firewall — see & block every connection. Privacy-first, local-first, Rust fleet agent, SIEM exports, 8 languages. / Moniteur réseau temps réel + pare-feu sortant, agent de flotte Rust, exports SIEM. 100 % local.

• cybersecurity
• d3js
• electron
• fastapi

Open-source, auditable network gateway for homelabs, NAS and servers: DDNS, STUN traversal, port forwarding with SNI routing, reverse proxy and web server, ACME certificates, WAF, Tailscale, frp, Cloudflare Tunnel, Docker and web terminal in one binary. Runs on Docker, fnOS, OpenWrt, Linux, macOS and Windows.

• acme
• ddns
• frp
• golang

Firewall and Privatizing Proxy for Trackers, Attackers, Malware, Adware, and Spammers with Anti-Virus On-Demand and On-Access Scanning (PF, squid, privoxy, hphosts, dshield, emergingthreats, hostsfile, PAC file, clamav)

• proxy
• tracker
• firewall
• privacy-enhancing-technologies

A rest application to update firewalld rules on a linux server

• firewalld
• firewalld-configuration
• golang
• rest-api

Defensive mitigation and testing toolkit for PHP security vulnerabilities (CVE-2026-109618, CVE-2026-109619, CVE-2026-115560), including Apache protections and PHP hardening guidance

• cybersecurity
• defenses
• patches
• php

An EBPF based IPv4/IPv6 firewall with integrations for OpenZiti Zero-Trust Framework edge-routers and tunnellers

• ebpf
• ebpf-tc
• firewall
• ipv4

This library protects against typical web attacks. It was inspired in rack-protection Ruby gem.

• middlewares
• security
• http
• crystal

Intrusion Prevention System (IPS) for Secure Shell (SSH)

GitHub Action to build Docker images with outbound network access restricted to an allowlist