Description

ngrok - secure introspectable tunnels to localhost (homepage) "I want to expose a local server behind a NAT or firewall to the Internet."

What is ngrok? ngrok is a reverse proxy that creates a secure tunnel from a public endpoint to a locally running web service. ngrok captures and analyzes all traffic over the tunnel for later inspection and replay.

What can I do with ngrok?

  • Expose any http service behind a NAT or firewall to the internet on a subdomain of ngrok.com.
  • Expose any tcp service behind a NAT or firewall to the internet on a random port of ngrok.com.
  • Inspect all http requests/responses that are transmitted over the tunnel.
  • Replay any request that was transmitted over the tunnel.

What is ngrok useful for?

  • Temporarily sharing a website that is only running on your development machine.
  • Demoing an app at a hackathon without deploying.
  • Developing any services which consume webhooks (HTTP callbacks) by allowing you to replay those requests.
  • Debugging and understanding any web service by inspecting the HTTP traffic.
  • Running networked services on machines that are firewalled off from the Internet.

Screenshots

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