Frontier communicates with a number of hosts over HTTP (TCP port 80) and HTTPS (TCP port 443). Please ensure the following hosts are accessible through your firewall and/or content filter:

  • frontier.esparklearning.com
  • frontier-api.esparklearning.com
  • articulate.esparklearning.com
  • cdn.esparklearning.com
  • media.esparklearning.com
  • media-files.esparklearning.com
  • media-files.esparklearning.s3-us-east-2.amazonaws.com
  • esparklearning-media-cache.s3.us-east-2.amazonaws.com
  • airbrake.io
  • esparklearning.asknice.ly
  • google-analytics.com
  • intercom.io


If your filter/firewall allows it, please whitelist *.esparklearning.com


Please download and install the Frontier Content Checker Chrome extension using this link. You will need to run the Content Checker on an account that is logged in to the student network. As you may know, Frontier uses high quality, educational third party content that's curated by our Learning Design team. The content checker will ensure that your students will be able to access all Frontier content.


If you require additional assistance, please e-mail support@esparklearning.com.