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Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot 2021

Execute the command to disable reliability detection: ./tinydbclient "update SiteFilter set DetectReliability=0"

Redirect all DNS queries to a service like OpenDNS FamilyShield ( 208.67.222.123 and 208.67.220.123 ) or Cloudflare Gateway. This provides category-based filtering outside Kerio Control.

If you have worked through all these steps and the issue remains unresolved, it is recommended to open a support ticket with GFI or Kerio Technologies for further investigation, as the problem may be related to your specific build version or a deeper configuration corruption. Execute the command to disable reliability detection:

: Kerio Control sends periodic DNS check queries to update servers. If these fail 10 times in a row, the web filter is disabled for reliability reasons.

: Zvelo key tokens expire every 21 days. If your firewall has been offline or has incorrect time settings, it may fail to update this token. Advanced CLI Solution (If Reliability Check is Stuck) : Kerio Control sends periodic DNS check queries

Keywords: kerio control web filter is not activated categorization is disabled hot, kerio url database error, web filter hot state, kerio troubleshooting.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. If your firewall has been offline or has

: An incorrectly set system date and time on the Kerio Control server can break HTTPS/TLS certificate validation, preventing the license validation and communication with cloud-based filtering services. A failed DNS lookup for the DiaServerUrl (e.g., v4.url.zvelo.com ) can also cause the authorization token (which expires every 21 days) to fail.

If the system time on your Kerio Control appliance differs significantly from actual time, SSL/TLS handshakes with registration servers will fail.

The Kerio Control Web Filter is not activated - categorization is disabled error is a critical failure of a core security module. However, it is also a highly diagnosable problem with a clear set of troubleshooting steps.

The "Kerio Control Web Filter is not activated; categorization is disabled" error is a critical sign that your network's content filtering is down. While it can be triggered by various factors, the most common causes are expired licenses, DNS misconfigurations, or system resource issues. By systematically following this guide—starting with a license check, verifying system health, and then moving to more advanced diagnostics like SSH commands—you can restore your web filter's functionality and ensure your organization's internet usage policies are once again enforced.