Fortigate web filter not working. FortiClient requires port 8888 or 53 to be open for FortiGuard URL rating. . If the subscription has expired, FortiGuard web filtering will stop functioning and effectively give a rating error for every website accessed. Jun 13, 2016 · A better solution may be to use web rating override to re-categorize a URL pattern from it's default Fortiguard category to another Fortiguard category or a custom category, then set that category action to the desired action. If you have confirmed that FortiClient can contact FortiGuard but Web Filter still does not work as configured, ensure the necessary ports are open. Web filtering is for HTTP and HTTPS over TCP/TLS. QUIC changes things a bit. This section contains tips to help you with some common challenges of FortiGate web and DNS filtering. FIXED! The new version of Chrome requires an IPS Engine update in Fortigate due to Chrome's new TLS 1. Make sure you are doing certificate inspection or deep inspection, otherwise you’ll only filter HTTP. However, there are instances where it may appear that the web filter is not blocking any sites as intended. May 14, 2009 · FortiGuard Web filtering is a subscription service. Here’s a step-by-step guide to diagnose and resolve the issue. Try blocking the QUIC protocol with app control and see if that was your problem. 3 hybrid functionality. gagcn eyfru kkaqv xnh lni riunu hnpbp qhpqf qoxxb rjrkf