1. Open the Canary Admin>Axiom tile>Configuration>Endpoints.
2. Ensure that the 'Http - Anonymous' port is enabled. 
3. Navigate to the 'Access' tab and remove 'ANONYMOUS LOGON' from the 'ALLOW' list.

Any user attempting to access Axiom using http://<hostname> will be automatically redirected to https://<hostname> where they will be prompted to log in.