By systematically working through the eight steps outlined above—license validation, enabling the engine, checking DNS and NTP, configuring an upstream proxy, and clearing corrupted caches—you can restore full web filtering in minutes.
Go to or Web Filter → Upstream Proxy (version dependent). By systematically working through the eight steps outlined
If categorization is disabled , the appliance cannot query the cloud. Consequently, no website receives a category, and all content rules dependent on categories fail silently. enabling the engine
Indirectly. HTTPS filtering (SSL inspection) is separate. However, if categorization is disabled, you cannot block HTTPS sites based on category, even if SSL inspection is on. checking DNS and NTP