Kerio Control - Web Filter Is Not Activated Categorization Is Disabled Hot Fix

Keep standard configuration backups so you can restore settings quickly if a system rollback is required.

Kerio Control must communicate with external cloud servers to categorize websites and verify your subscription status. If your firewall cannot reach these servers, it disables categorization. Allow Outbound Ports

Older versions (pre-9.3.5 or 10.x early builds) had known issues with GFI’s cloud categorization endpoints migrating to new TLS ciphers. Keep standard configuration backups so you can restore

: Go to Content Filter > Applications and Web Categories and add critical corporate business domains to the URL whitelist to bypass database checks entirely.

Next, connect to your firewall using an SSH client (like PuTTY) and run these commands to modify the system configuration database: Allow Outbound Ports Older versions (pre-9

Access the Kerio Control console via SSH (holding while clicking Status > System Health to enable it). Execute these commands:

By following this guide, you should restore full URL categorization within 30 minutes and prevent future recurrences through proactive monitoring. Execute these commands: By following this guide, you

Check the /opt/kerio/winroute/winroute.cfg file via SSH and ensure the DiaServerUrl value is set to v4.url.zvelo.com .

This comprehensive guide will help you identify the root causes of this error and provide step-by-step troubleshooting actions to get your web categorization fully operational again. 1. Verify Your License Status

If it says Expired or Not Licensed , you must purchase a renewal or apply a valid license key.

Ensure that the checkbox for Enable Kerio Control Web Filter is checked. Furthermore, if you are actively tracking network usage, make sure Categorize each page regardless of URL rules is ticked.