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fatedier/frp

This system is a high-performance, extensible reverse proxy and network tunneling solution that manages dynamic client-server connections for TCP, UDP, HTTP, and HTTPS traffic. It features a modernized architecture with a v2 wire protocol, persistent configuration management, and a comprehensive web dashboard for monitoring and administration. The system supports advanced capabilities including NAT hole punching for direct peer-to-peer connections, SSH tunneling, and modular plugin systems for both client and server sides.

53.9

Adequate · 6 August 2026

40k

lines of production code

Go

with TypeScript

1

bus factor · 150 authors in all

4

measurements over time

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How it got here

2015–2020 · Architecture modernization and feature expansion

This period focused on modernizing the codebase with a new v2 wire protocol, structured configuration models, and a modular proxy architecture. Significant features were added, including NAT hole punching, health checks, and a plugin system, while the web dashboards were completely redesigned. The release also introduced comprehensive end-to-end testing infrastructure and improved server-side metrics and logging.

45 changes

2021–2023 · v1 configuration and SSH tunneling

This period focused on introducing the v1 configuration schema with strict validation and dynamic value sources, alongside a new SSH tunneling feature for connecting to the FRP server. The work also included building out the frps dashboard for persistent proxy management and adding comprehensive end-to-end tests for legacy and v1 features.

21 changes

2024–2026 · v2 protocol and virtual networking

This period focused on introducing the v2 wire protocol with binary framing and AEAD encryption, alongside a new virtual networking subsystem for IP-based routing. The work also included a comprehensive update to the web dashboards to support the new API v2 endpoints and persistent configuration management.

18 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 6 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit d1928f9689 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.19. Score the same commit under that rubric and you get the same number.
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