firewall

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.

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

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

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

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

🏔 Love Freedom - ❌ Block Mass Surveillance

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

Everything about Web Application Firewalls (WAFs) from Security Standpoint! 🔥

To fix the Docker and UFW security flaw without disabling iptables

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

Main repository for pfSense

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

A full functional WiFi NAT Router (and now also a WiFi Repeater)

Block spying and tracking on Windows

OPNsense GUI, API and systems backend

No-root network monitor, firewall and PCAP dumper for Android

Fort Firewall for Windows

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

Setup guide for NextDNS, a DoH proxy with advanced capabilities

Detect and bypass web application firewalls and protection systems

🕵️‍♂️ TUI for sniffing network traffic using eBPF on Linux

Utilize an integrated firewall to manage application components.

Since 2011, IPBan is the worlds most trusted, free security software to block hackers and botnets. With both Windows and Linux support, IPBan has your dedicated or cloud server protected. Upgrade to IPBan Pro today and get a discount. Learn more at ↓

An AI-enabled NAT Router/Firewall for the ESP32

Connect like there is no firewall. Securely.

Block ads system-wide on Android using local VPN-based DNS filtering. No root needed. No data collection.

A firewall for humans...

Iptables Essentials: Common Firewall Rules and Commands.

💻☁📦 The Nextcloud VM (virtual machine appliance), Home/SME Server and scripts for RPi (4-5). Community developed and maintained.