What is the main purpose of FortiGate's VPN technology?

The primary function of FortiGate's VPN technology is to establish secure, encrypted communication between remote and local networks. This ensures that data transmitted over potentially insecure networks, like the internet, is protected from eavesdropping and tampering. By using protocols such as IPsec or SSL, FortiGate VPNs create a secure tunnel, allowing remote users or branch offices to connect safely to the main corporate network. This is especially crucial for organizations that require secure access to sensitive information from various locations.

While optimizing bandwidth usage, facilitating user authentication, and enhancing network device performance are important tasks within network security and management, they are not the central focus of VPN technology. Instead, those functions might be better served by different tools or features included in the FortiGate ecosystem, but they do not define the primary purpose of VPNs specifically.