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Backhaul: Lightning-Fast Reverse Tunneling for NAT Traversal
A high-performance reverse tunneling solution enabling seamless NAT traversal. Optimized for handling massive concurrent connections, supporting tcp, tcpmux, udp, udp over tcp, ws, wsmux, wss, and wssmux protocols.
Go
Added on 2025年6月28日496
Stars104
ForksGo
LanguageProject Introduction
Summary
Backhaul is a cutting-edge, open-source reverse tunneling solution designed to overcome NAT and firewall limitations. It allows users to securely expose services running on local networks to the public internet or other networks, supporting a wide array of protocols with a focus on high performance and scalability for concurrent connections.
Problem Solved
Accessing services or devices located behind restrictive NATs or firewalls can be challenging. Traditional methods often require complex network configurations, port forwarding, or VPNs that can be slow or difficult to set up for multiple services. This project solves this by providing a simple, fast, and versatile reverse tunneling mechanism.
Core Features
Effortless NAT Traversal
Establish reverse tunnels through Network Address Translation (NAT) and firewalls with minimal configuration.
Massive Concurrent Connections
Designed to efficiently manage a large number of simultaneous tunnel connections.
Multi-Protocol Support
Comprehensive support for various protocols including TCP, TCP multiplexing, UDP, UDP over TCP, WebSocket, WebSocket multiplexing, secure WebSocket (WSS), and secure WebSocket multiplexing.
High Performance
Engineered for speed and low latency, providing a lightning-fast tunneling experience.
Built-in Security
Provides secure communication channels, protecting data in transit.
Tech Stack
Go
Networking Libraries
Protocol Implementation (TCP, UDP, WebSocket)
Concurrency Primitives
使用场景
Backhaul can be applied in numerous scenarios where reliable and fast remote access to services behind NAT or firewalls is required:
Exposing Local Services
Details
Expose a web server, SSH server, or other network service running on a local machine or private network to the public internet via a remote server.
User Value
Enables easy sharing and testing of local services without public IP addresses or complex port forwarding.
Secure Remote Access to Internal Resources
Details
Access internal network resources (databases, APIs, remote desktops) from external locations securely and efficiently.
User Value
Provides a secure and direct channel to internal services for remote workers or distributed systems.
Connecting Distributed Systems/Devices
Details
Connect devices in different networks or behind firewalls, enabling peer-to-peer style communication or centralized data collection from distributed endpoints.
User Value
Simplifies communication and data transfer between devices that cannot establish direct connections.
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