Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work -

The Web Filter requires a specific active license; without it, the module behaves as a trial and will automatically disable after 30 days.

Note: This will restart the Kerio Control service and may cause a brief internet interruption.

If you are encountering the error your firewall has likely triggered a safety mechanism that pauses web filtering when it cannot reliably reach the categorization servers. The Web Filter requires a specific active license;

: Connect to your Kerio device via SSH (e.g., using PuTTY ). Run these commands :

: Hold the Shift key while navigating to Status > System Health in the admin interface, then click Enable SSH . : Connect to your Kerio device via SSH (e

: Navigate to Configuration > DNS . Check Enable custom DNS forwarding and add a rule for *.zvelo.com to use Cloudflare (1.1.1.1) or OpenDNS (208.67.222.222) instead. 3. Fix Licensing and Activation Issues

If the filter is activated but still blocking legitimate sites, you can bypass the categorization engine for specific URLs. Using Kerio Control Web Filter Check Enable custom DNS forwarding and add a rule for *

: A full disk can prevent the license file from saving. Use SSH to check disk space and clear cache files in /var/lib/firebase if necessary. 4. Troubleshooting Miscategorized or Blocked Sites

: If the online activation fails due to network issues, download the license file from the Kerio Product Registration page and use the Register Offline option in the Kerio Activation Wizard.