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feat: add headings to common 3200 errors #873

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Jul 31, 2024
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feat: add headings to common 3200 errors #873

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12 changes: 6 additions & 6 deletions docs/errors/details/_err_ngrok_3200.md
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Expand Up @@ -6,11 +6,11 @@ If you are the ngrok Administrator for this account, please verify that the ngro

### The most common causes of this error are:

- The ngrok Agent is no longer running, or you forgot to start the Agent. Verify that the Agent is running and showing the expected "Forwarding" address.
- The Agent session has timed out or stopped. Restart the ngrok Agent to restart the Agent and tunnel sessions.
- The endpoint domain/hostname has changed. If you are on the Free plan or have not set the `--domain` flag to set the domain on the tunnel, please be aware that the forwarding address will change each time the Agent and session are restarted. If you previously obtained a forwarding URL from an agent session but have since closed that session or closed the client window, the URL will change when a new Agent session starts.
- You have made a typo in the endpoint address you have entered in the browser. Verify that the tunnel hostname is correct. Incorrectly entering the address (a typo) in a browser address bar can also result in this error.
- A network issue exists between the device the Agent is running on and ngrok. Your ngrok agent might have trouble reaching the ngrok service. Try running the [`ngrok diagnose`](/docs/agent/cli/#ngrok-diagnose) command to check for connectivity issues.
- You are attempting to run `--scheme http` on your agent using a domain that only supports https. All of the `.app` and `.dev` domains are HSTS or "HTTP Strict Transport Security" domains. Paid plan accounts are able to start http scheme tunnels on the `ngrok.io` domain, which is not HSTS enforced.
- **Agent Not Running** The ngrok Agent is no longer running, or you forgot to start the Agent. Verify that the Agent is running and showing the expected "Forwarding" address.
- **Session Timed Out or Stopped** The Agent session has timed out or stopped. Restart the ngrok Agent to restart the Agent and tunnel sessions.
- **Endpoint Domain or Hostname Change** The endpoint domain or hostname has changed. If you are on the Free plan or have not set the `--domain` flag to set the domain on the tunnel, please be aware that the forwarding address will change each time the Agent and session are restarted. If you previously obtained a forwarding URL from an agent session but have since closed that session or closed the client window, the URL will change when a new Agent session starts.
- **Typo in Endpoint Address** You have made a typo in the endpoint address you have entered in the browser. Verify that the tunnel hostname is correct. Incorrectly entering the address (a typo) in a browser address bar can also result in this error.
- **Network Issues** A network issue exists between the device the Agent is running on and ngrok. Your ngrok agent might have trouble reaching the ngrok service. Try running the [`ngrok diagnose`](/docs/agent/cli/#ngrok-diagnose) command to check for connectivity issues.
- **Incorrect Scheme** You are attempting to run `--scheme http` on your agent using a domain that only supports https. All of the `.app` and `.dev` domains are HSTS or "HTTP Strict Transport Security" domains. Paid plan accounts are able to start http scheme tunnels on the `ngrok.io` domain, which is not HSTS enforced.

If you are the Administrator for this account, and none of these steps work for you or you have additional questions, drop us a note at at [[email protected]](mailto:[email protected]?subject=Help%20with%20ngrok%203200%20error).