Apache is a free and open-source cross-platform web server software.
Fortinet FortiGate is a family of network security appliances that provide firewall, VPN, intrusion prevention, antivirus, web filtering, and other security features to protect and secure networks and data.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Unix is a family of multitasking, multiuser computer operating systems.