fatedier / frp

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

go reverse-proxy proxy p2p tunnel expose firewall frp http-proxy nat

FRP: A Fast Reverse Proxy for NAT/Firewall Traversal

FRP (Fast Reverse Proxy) is a lightweight and efficient reverse proxy designed specifically to help expose local services running behind a NAT or firewall to the Internet. It enables secure and reliable access to internal applications and resources from remote locations, making it an invaluable tool for developers, system administrators, and anyone requiring remote access to their local networks.

Key Features

  • Fast and Efficient: FRP employs an optimized protocol and a highly scalable architecture, resulting in lightning-fast data transfer speeds.
  • Secure and Reliable: It utilizes encryption to ensure the confidentiality and integrity of transmitted data, providing a secure connection for accessing remote servers.
  • NAT/Firewall Traversal: FRP seamlessly traverses NAT and firewalls by establishing reverse tunnels, allowing you to expose local services to the Internet without complex port forwarding or firewall configurations.
  • Flexible and Scalable: FRP supports multiple tunneling modes, including TCP, UDP, HTTP, and HTTPS, providing versatility and scalability to meet diverse application requirements.
  • Easy to Use: FRP is designed with simplicity in mind, featuring a user-friendly configuration file and a straightforward command-line interface.

Use Cases

FRP is particularly useful in scenarios where:

  • Local servers need to be exposed to the Internet for remote access (e.g., development, testing, debugging).
  • Internal applications need to be securely accessed from public networks without compromising network security.
  • Resources behind firewalls or NAT devices require remote connectivity for management or monitoring purposes.
  • Remote teams need secure access to local servers for collaboration or troubleshooting.

Benefits

Using FRP offers several advantages:

  • Enables seamless and secure remote access to local servers.
  • Eliminates the need for complex port forwarding or firewall configurations.
  • Enhances network security by isolating internal services from external threats.
  • Improves accessibility and collaboration by allowing remote access to internal applications.
  • Simplifies the management and monitoring of internal resources.

Architecture

FRP consists of two components:

  • FRP Server: Runs on a publicly accessible server and listens for incoming connections from clients.
  • FRP Client: Deployed on the local machine behind the NAT or firewall, establishing reverse tunnels to the FRP server.

Getting Started

To use FRP, follow these simple steps:

  1. Install FRP on the server and client machines.
  2. Configure the FRP server and client using the configuration file.
  3. Start the FRP server and client services.
  4. Verify connectivity by accessing the exposed local service via the public IP address or domain of the FRP server.

Community

FRP has a thriving community of users and contributors who share knowledge, provide support, and contribute to its development. The community is accessible through the FRP website, GitHub repository, and various online forums.

Conclusion

FRP is an indispensable tool for anyone looking to securely and efficiently expose local services to the Internet. Its fast performance, ease of use, and flexible architecture make it the ideal solution for NAT/firewall traversal and remote access. Whether you're a developer, system administrator, or anyone requiring remote connectivity, FRP empowers you with the ability to bridge the gap between internal networks and the Internet with ease and confidence.