Repository Index

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

OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch.

• application-firewall
• firewall
• linux
• networking

🏔 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

LuLu is the free open-source macOS firewall

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

Database security suite. Database proxy with field-level encryption, search through encrypted data, SQL injections prevention, intrusion detection, honeypots. Supports client-side and proxy-side ("transparent") encryption. SQL, NoSQL.

• encryption-server
• encryption
• crypto
• cryptography

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

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

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

• middlewares
• security
• http
• crystal

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