> ## Documentation Index
> Fetch the complete documentation index at: https://ngrok.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Error 9018

## ERR\_NGROK\_9018

An account is required to use host header rewrite.

Register for an ngrok account at: [https://dashboard.ngrok.com/signup](https://dashboard.ngrok.com/signup) and install your authtoken.

## Further help

If you're having trouble resolving this error, please reach out to [support@ngrok.com](mailto:support@ngrok.com?subject=Help%20with%20ERR_NGROK_9018)