Server Requirements

• Installed and configured web server software (Apache, Microsoft IIS, etc.)

• Secured web server configuration with SSL/TLS

  Windows Server:
  see https://support.microsoft.com/en-gb/help/324069/how-to-set-up-an-https-service-in-iis

  SLES 12: 

  see https://www.suse.com/documentation/sles-12/book_sle_admin/data/sec_apache2_ssl.html

• Installed PHP 5.3 or higher