Seeing the message typically means the network's security policy has flagged your traffic as either a security threat or a violation of content rules. Why Access is Blocked

. Within the IPS profile, create a new entry, select the relevant signature, and add the target IPs to the Exempt IPs Static URL Filtering : For web-based blocks, navigate to Security Profiles > Web Filter and add the URL to the Static URL Filter list. Setting the action to allows the traffic to bypass further inspections. Web Rating Overrides

The Tor Browser anonymizes your internet traffic by routing it through a network of volunteer-operated servers. This can help in circumventing network restrictions but might be considered a more extreme measure due to its association with privacy and anonymity.

Alternatively, create a Web Rating Override to re-categorize a specific site into a category that is currently allowed on your network. How to allow a website from a blocked FortiGuard Category

For advanced users or those with administrative privileges, here are some general insights:

FortiGuard has heuristics to detect fragmentation attacks. This works better on older firmware (pre-6.0).

Below is an article detailing the administrative procedures to resolve these blocks correctly, as well as the technical mechanisms behind how these blocks occur.