ERR_NGROK_306 - ngrok documentation

Message

Only Personal, Pro, Enterprise, and Pay-as-you-go plans may use custom hostnames. Failed to bind the custom hostname HOSTNAME for an unauthenticated client. Sign up at: https://dashboard.ngrok.com/signup If you have already signed up, make sure your authtoken is installed. Your authtoken is available on your dashboard: https://dashboard.ngrok.com/get-started/your-authtoken

Possible Solutions

You can upgrade to a paid plan in the Billing section of the dashboard. You will need at least a Personal plan or any pay-as-you-go-plan.
- You can follow this guide to register and use a custom domain.
If you haven’t already, add your authtoken from your account dashboard to your ngrok agent in your terminal using ngrok config add-authtoken TOKEN.

Further help

If you’re having trouble resolving this error, please reach out to support@ngrok.com

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