For some time now, Hoststar has been offering the free, domain-validated SSL certificates from Let's Encrypt. Since the automatic redirection from http to https is not desired by all customers and certain websites could no longer function correctly due to the automatic redirection to https, Hoststar has decided against a general redirection.
If you want to automatically redirect from http to https for your website(s), you can follow the instructions below. NOTE that an incorrect configuration can lead to incorrect displays or even to an «Error 500» (website not reachable). Therefore it is recommended to have these settings made by a webmaster in case of uncertainty.