Several methods can be used to bypass FortiGuard web filtering:
Enable Full SSL Inspection on your firewall policies. Deploy the FortiGate CA certificate to all endpoints. Without this, your web filter is essentially blind. fortiguard web filtering bypass
FortiGuard can see the SNI (Server Name Indication) of an HTTPS request, but without full decryption, it cannot scan the URL path or page content. A user can visit https://blocked-category[.]com but if that site uses a valid certificate and you haven’t decrypted the traffic, FortiGate may allow the connection after only checking the domain against a basic blocklist. Several methods can be used to bypass FortiGuard
Bypassing FortiGuard web filtering should be done responsibly and in accordance with organizational policies: FortiGuard can see the SNI (Server Name Indication)
Tools like Webshare or Proxysite allow users to access blocked content through a third-party server. However, many free proxy sites are quickly blacklisted by FortiGuard Labs .