If you are using Sage HR in environments that implement traffic filtering, please see below the mandatory URLs that need to be excluded from your firewall rules in order to run Sage HR successfully. These are domains of the services that power the Sage HR operation.
*.sage.hr
sage.hr
*.googleapis.com
fonts.gstatic.com
gstatic.com
cdn.polyfill.io
*.intercom.com
*.intercom.io
*.intercomcdn.com
*.amazonaws.com
If one of those cannot be called by Sage HR from the user's browser, you might see disruptions in the service and receive undesirable experience.