Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work 〈2025-2027〉

: Ensure your license hasn't reached its "download limit" for updates. You can check this in the GFI KISS Portal under your license details. ⚠️ Common Causes

Sometimes the internal activation token becomes desynchronized. Re-registering the box forces a refresh. Go to . : Ensure your license hasn't reached its "download

You must upgrade Kerio Control to version 9.4.2 or newer . GFI/Kerio replaced the broken Cyren engine with a new, active categorization vendor. Staying on an older version means web filtering will remain permanently disabled. Temporary Workaround: Creating Manual URL Rules Re-registering the box forces a refresh

A known edge case: If you have configured Kerio Control to act as a on the LAN interface, and also have a firewall rule that forces all traffic from the firewall itself to go through that proxy, it creates a loop. The firewall cannot phone home to GFI because its own traffic is being filtered. GFI/Kerio replaced the broken Cyren engine with a

: High latency or a slow internet link can prevent the system from reaching the update servers. Expired Authorization Tokens

Note: This forces the filter to stay active even if it can't reach the categorization servers immediately. 🌐 Resolve Underlying DNS & Connection Issues

Are you seeing any specific (like "Invalid Authorization" or "DNS response timeout") in the Error or Debug logs? Using Kerio Control Web Filter - KerioControl - GFI