A VPN is often the most effective bypass method. It creates an encrypted tunnel that hides your traffic from the FortiGate firewall, preventing it from inspecting or blocking your DNS requests.
Sometimes, a full VPN application is blocked by the OS, but a browser extension (like Browsec or Stealthy ) can still tunnel traffic through the firewall. A VPN is often the most effective bypass method
If a standard VPN is blocked, look for services with "Stealth Mode" or obfuscated protocols that disguise VPN traffic as standard HTTPS web traffic. If a standard VPN is blocked, look for
If you are an admin and users are being blocked incorrectly, or if you need to allow a specific site: FortiGuard Intrusion Prevention Service - Fortinet If a standard VPN is blocked
The simplest way to bypass a network-level filter is to leave the network. Switching to mobile data or using your phone as a Wi-Fi hotspot bypasses the Fortinet hardware entirely.