> ## 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 1100

## ERR\_NGROK\_1100

No public keys were sent for this SSH tunnel.
Configure SSH with public key authentication and register your keys at [https://dashboard.ngrok.com/ssh-keys](https://dashboard.ngrok.com/ssh-keys).

## 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_1100)