---
title: "Tunnel"
description: "An overview of tunneling tools — ngrok and frp — that expose local services to the public internet through reverse proxies and NAT traversal."
canonical_url: "https://carlwang.com/posts/tunneling-ngrok-frp"
---

> Index of every page on this site: [llms.txt](https://carlwang.com/llms.txt)

Tunneling services.

## Ngrok

Ngrok is a reverse proxy that opens a secure tunnel between a public endpoint and a web server running on your local machine. It can capture and inspect all traffic flowing through the tunnel, which makes later debugging and analysis straightforward.

## Frp

Frp is a fast reverse proxy that helps you expose services on a private network to the public internet. It supports TCP, UDP, HTTP, HTTPS, and other protocols, enabling NAT traversal and internal-network mapping.

[https://github.com/fatedier/frp](https://github.com/fatedier/frp)

## Sitemap

See the full [sitemap](https://carlwang.com/sitemap.md) for all pages.