Problem: You need to ensure that your Chromebooks are configured to be filtered by Securly Web Filtering and that they are setup securely.
Solution: Install the Securly SHA-256 SSL certificate on your Chromebooks. We recommend installing the Securly Chrome Extension on your Chromebooks.
You won't need to configure any Securly DNS settings when using the Securly Chrome Extension.
The Securly for Chromebook Best Practices Guide can be found attached to this KB article: https://support.securly.com/hc/en-us/articles/217632758
Below are some documents on how to deploy the Securly Chrome Extension and Securly SSL certificate: