Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot ((full)) 【8K | 2K】
The error typically occurs when the firewall cannot reach the Zvelo categorization servers or when the license token has expired. This is often triggered by DNS failures, where the system marks the filter as "unreliable" after multiple failed connection attempts. Core Troubleshooting Steps 1. Verify DNS and Reachability
Kerio Control uses DNS queries to reach its update and categorization servers. If your ISP or current DNS configuration is slow or blocking these requests, the filter will deactivate. The error typically occurs when the firewall cannot
Web Filter categorization disabled. Serial number: ko-197974 Verify DNS and Reachability Kerio Control uses DNS
Note that the Web Filter is disabled by default for the Guest Interface to allow users to reach the welcome page without authentication. Serial number: ko-197974 Note that the Web Filter
Execute the following command to disable the reliability check: ./tinydbclient "update SiteFilter set DetectReliability=0" . Restart the service: /etc/boxinit.d/60winroute restart .
If the filter keeps disabling due to minor network fluctuations, you can disable the "Reliability Detection" feature via the Kerio Control Console: Connect to your Kerio Control appliance via . Navigate to the directory: cd /opt/kerio/winroute .
Ensure the value v4.url.zvelo.com is correctly set in the configuration file located at /opt/kerio/winroute/winroute.cfg .