A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.

一款轻量级、高性能、功能强大的内网穿透代理服务器。支持tcp、udp、socks5、http等几乎所有流量转发，可用来访问内网网站、本地支付接口调试、ssh访问、远程桌面，内网dns解析、内网socks5代理等等……，并带有功能强大的web管理端。a lightweight, high-performance, powerful intranet penetration proxy server, with a powerful web management terminal.

The easiest, and most secure way to access and protect all of your infrastructure.

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

OpenGFW is a flexible, easy-to-use, open source implementation of GFW (Great Firewall of China) on Linux

一款足够简单、足够好用、足够强的免费 WAF。基于业界领先的语义引擎检测技术，作为反向代理接入，保护你的网站不受黑客攻击。 A free WAF that is sufficiently simple, effective, and powerful. Utilizing industry-leading semantic engine detection technology, it operates as a reverse proxy to protect your website from hacker attacks.

🏔 Love Freedom - ❌ Block Mass Surveillance

A lightweight and high-performance reverse proxy for NAT traversal, written in Rust. An alternative to frp and ngrok.

WireGuard®-based zero-trust access platform with OIDC auth, identity sync, and NAT traversal.

🔥 Web-application firewalls (WAFs) from security standpoint.

lanproxy是一个将局域网个人电脑、服务器代理到公网的内网穿透工具，支持tcp流量转发，可支持任何tcp上层协议（访问内网网站、本地支付接口调试、ssh访问、远程桌面、http代理、https代理、socks5代理...）。技术交流QQ群 736294209

Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

A full functional WiFi Repeater (correctly: a WiFi NAT Router)

Main repository for pfSense

Block spying and tracking on Windows

To fix the Docker and UFW security flaw without disabling iptables

OPNsense GUI, API and systems backend

AFWall+ (Android Firewall +) - iptables based firewall for Android

Detect and bypass web application firewalls and protection systems

DNS over HTTPS / DNS over Tor / DNSCrypt client, WireGuard proxifier, firewall, and connection tracker for Android.