ngrok

ngrok - secure introspectable tunnels to localhost ([homepage](https://ngrok.com)) "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.