How To Bypass Fortiguard Intrusion Prevention - Access Blocked Page

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

The is a robust security layer designed to block suspicious network activity before it reaches your devices. When you encounter an "Access Blocked" message, it typically means the firewall has identified your traffic as a violation of its security policy or as a potential threat. If you are an admin and users are

If you are facing a legitimate block (such as an incorrectly categorised website) or are an administrator troubleshooting a legitimate connection issue, several techniques can be used to restore access. Websites like ProxySite or Whoer act as intermediaries

Websites like ProxySite or Whoer act as intermediaries. You enter the blocked URL into the proxy site, which fetches the content on your behalf. Note that many common proxy sites are also on FortiGuard's blacklist. Enabling DoH in your browser (like Chrome or

Enabling DoH in your browser (like Chrome or Firefox) encrypts your DNS queries. This can prevent FortiGuard's DNS filtering from seeing which domain you are trying to visit, though it may not work if the firewall uses Deep Packet Inspection (DPI) to block the final IP address. Troubleshooting for Network Administrators

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.

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.