A lightweight tunneling tool, written in Rust, for exposing local servers behind NATs and firewalls to the public internet.

Set up connections between clients behind NAT.

Easy NAT mode for OpenBSD packet filter (pf)

Listens for UDP requests and returns the public ip and port of the source.

An eBPF-based Endpoint-Independent(Full Cone) NAT for Linux

A P2P networking library built in Rust with TCP hole punching and NAT traversal. Supports direct peer connections, rendezvous-based discovery, and connection management.

A tool that allows you to display multiple host addresses of client machines (including both IPv4 and IPv6) that may be behind a firewall or a NAT to a server simply and resource-efficiently.

一个类似 frp rathole 的内网穿透、服务共享工具 An Intranet Penetration and Service Sharing Tool Similar to frp and rathole

CLI tool for managing iptables port forwarding through Tailscale tunnels

A Rust-based P2P chat application demonstrating UDP hole punching for direct communication between clients behind NATs, using a relay server for initial connection.

A NAT-PMP library in rust.

Discovers and maintains public socket addresses via STUN, keeping NAT mappings alive over TCP or UDP.

Expose your local service to Internet in full cone NAT network.

A fast, lightweight reverse proxy built on QUIC protocol for exposing local services behind NAT or firewall to the internet

Rust NAT traversal

内网穿透工具，实现了 frp 的部分功能

[Aborted] The firmware of a NAT64 Router.

Simple TURN client library for Rust, also a general-purpose TURN proxy.

Connect to networks without pain

Run on ESP32 ESP32c3 esp32s2 esp32s3. A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.