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

To resolve the issue, follow these step-by-step troubleshooting instructions:

Web browsing continues, but category-based blocking (e.g., blocking social media, pornography, gambling) fails.

Sometimes the cause is simpler: the Web Filter module may not be properly enabled in the administration interface. Before looking for complex problems, verify that the module is activated and configured to categorize all relevant traffic. Navigate to > Applications and Web Categories

Navigate to > Applications and Web Categories .

: A slow or unstable internet link can cause the "10 failures in 1 minute" threshold to be met. If it fails to receive a response 10

If the Web Filter is active but incorrectly categorizing websites, you can:

: Kerio Control sends automatic DNS check queries to its update servers. If it fails to receive a response 10 times in a row within one minute, it marks the Web Filter as "not reliable" and disables categorization. Temporary Fix or social media. However

If categorization remains disabled despite a good connection, you can force-reset it via the SSH console: Connect via SSH. Run: cd /opt/kerio/winroute

: Restart the Kerio Control appliance to restore immediate internet access.

If the license and connection are valid, ensure the setting is actually checked in the UI: Kerio Control Administration interface Navigate to Content Filter Applications and Web Categories Enable Kerio Control Web Filter GFI Support SSH commands to check your current license status or verify Zvelo server connectivity Using Kerio Control Web Filter - KerioControl - GFI

One of the most powerful features of Kerio Control is its ability to filter web content, blocking malicious sites and restricting categories like gambling, adult content, or social media. However, administrators occasionally encounter a frustrating scenario: the Web Filter status displays or warns that "Categorization is Disabled."