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

: 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.g., using PuTTY ). Run these commands :

The Web Filter uses an external service (Zvelo) which requires a valid authorization token. These tokens expire every . If your DNS settings prevent the token from renewing, categorization will be disabled. : Hold the Shift key while navigating to

If the filter is activated but still blocking legitimate sites, you can bypass the categorization engine for specific URLs. Using Kerio Control Web Filter

cd /opt/kerio/winroute ./tinydbclient "update SiteFilter set DetectReliability=0" /etc/boxinit.d/60winroute restart Use code with caution. These tokens expire every

: 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

This issue is typically caused by , expired authentication tokens , or network reliability checks failing multiple times in a row. Use the following guide to troubleshoot and implement workarounds. 1. Immediate Workaround: Disable Reliability Detection Using Kerio Control Web Filter cd /opt/kerio/winroute

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

: 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.