Fortiguard Web Filtering Bypass | SAFE ⟶ |

FortiGuard primarily filters by domain name (URL/category). If a malicious server is hosted on a raw IP address (e.g., http://192.0.2.100/malware.exe ), and that IP is not categorized in FortiGuard’s database, the request may sail through.

In this post, we’ll explore common FortiGuard bypass techniques and, more importantly, how to mitigate them. fortiguard web filtering bypass

Log & Report > Web Filter > look for action="allowed" with rating="unrated" . Those are potential bypass events. FortiGuard primarily filters by domain name (URL/category)

From an internal test machine, try to reach a known blocked category (e.g., `https://www.pornhub Web Filter &gt

A user or attacker can bypass domain reputation checks by using direct IPv4 or IPv6 addresses. They might also edit their local hosts file to map a blocked domain to an allowed IP.