What operating system is used on FortiGate devices?

FortiGate devices run on an operating system known as FortiOS. This proprietary OS is specifically designed to support the advanced firewall and network security features that FortiGate appliances provide. FortiOS integrates a range of capabilities such as IPS, antivirus, web filtering, and VPN functionalities, all optimized for performance on Fortinet hardware.

The OS ensures that FortiGate devices deliver robust security while maintaining ease of management and configuration. Regular updates and enhancements to FortiOS are also provided by Fortinet, allowing for new features to be added and vulnerabilities to be addressed, ensuring the devices stay effective against evolving threats.

The other options listed do not correspond to any recognized operating system utilized by FortiGate devices. This distinction emphasizes the importance of knowing not only the correct name but also the features and capabilities associated with FortiOS.