Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work !exclusive! Jun 2026

This disables the reliability check that turns off the filter after DNS issues. support.keriocontrol.gfi.com C. Fix "Invalid Authorization" (Expired Token) If logs show DNS response 'FAILURE: Invalid authorization' , update the winroute.cfg to ensure the correct Zvelo server is used: Access Configuration: Access the configuration file winroute.cfg through SSH. Verify URL: DiaServerUrl v4.url.zvelo.com Reboot the machine after verifying. support.keriocontrol.gfi.com 3. Verification & Activation Activate/Re-enable: Content Filter > Applications and Web Categories and verify "Enable Kerio Control Web Filter" is checked. Check Licenses: Verify the Subscription/License validity on the Dashboard. Check Logs: Review the Security log for errors related to categorization. GFI Support 4. Long-Term Solutions Verify Subscription: Contact GFI Sales if the license is expired. Check Disk Space:

: Go to the Dashboard in the Kerio Control Administration interface to verify the license expiration date. This disables the reliability check that turns off

URLs. If custom DNS servers (like Google 8.8.8.8) are slow, it can trigger a "DNS response timeout". Expired License: Verify URL: DiaServerUrl v4

Using an expired Zvelo token (usually expires after 21 days). This disables the reliability check that turns off