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

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

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 Note: This will restart the Kerio Control service

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. Using Kerio Control Web Filter : Do not use Google DNS (8

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

: Do not use Google DNS (8.8.8.8) for all requests, as it can sometimes cause issues with Zvelo authentication.

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

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.