tunnel

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

A rule-based tunnel in Go.

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.

A platform for building proxies to bypass network restrictions.

A Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC. Available for ARM, MIPS, 386 and AMD64。KCPプロトコルに基づく安全なトンネル。KCP 프로토콜을 기반으로 하는 보안 터널입니다。

⚡ KCP - A Fast and Reliable ARQ Protocol

GO Simple Tunnel - a simple tunnel written in golang

Xray, Penetrates Everything. Also the best v2ray-core, with XTLS support. Fully compatible configuration.

A fast TCP/UDP tunnel over HTTP

A Tunnel which Turns UDP Traffic into Encrypted UDP/FakeTCP/ICMP Traffic by using Raw Socket,helps you Bypass UDP FireWalls(or Unstable UDP Environment)

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

🕳 bore is a simple CLI tool for making tunnels to localhost

Go实现的Trojan代理，支持多路复用/路由功能/CDN中转/Shadowsocks混淆插件，多平台，无依赖。A Trojan proxy written in Go. An unidentifiable mechanism that helps you bypass GFW. https://p4gefau1t.github.io/trojan-go/

Official git repo for iodine dns tunnel

A Tunnel which Improves your Network Quality on a High-latency Lossy Link by using Forward Error Correction, possible for All Traffics(TCP/UDP/ICMP)

Fast and secure tunnels over HTTP/2

Transparently tunnel your IP traffic through ICMP echo and reply packets.

HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.

Command line tool to share your UNIX terminal and forward local TCP ports to people you trust.

📖《这本书能让你连接互联网》详细阐述代理、隧道、VPN运作过程，并对GFW策略如：地址端口封锁、服务器缓存投毒、数字验证攻击、SSL连接阻断做相关的原理说明

Pingtunnel is a tool that send TCP/UDP traffic over ICMP

Expose your localhost to the web. Node wrapper for ngrok.

glider is a forward proxy with multiple protocols support, and also a dns/dhcp server with ipset management features(like dnsmasq).

CLI application to create ssh tunnels focused on resiliency and user experience.

A simple SSL/TLS proxy with mutual authentication for securing non-TLS services

Venom - A Multi-hop Proxy for Penetration Testers