Run:
Check Web Filter status and logs
Before diving into fixes, confirm the exact error by navigating to:
Is your software maintenance agreement () currently active? Run: Check Web Filter status and logs Before
Ensure your firewall is using reliable public DNS forwarders (such as Google DNS 8.8.8.8 and 8.8.4.4 , or Cloudflare 1.1.1.1 ).
The Web Filter is a premium add-on component. If your overall Kerio Control subscription is active but the Web Filter module specifically has expired, categorization immediately shuts down. Log into your Kerio Control Administration interface. Navigate to > License Details .
Enable verbose logging for web filter:
Ensure your Primary Internet interface has valid DNS servers configured (e.g.,
To fix the issue of the Kerio Control web filter not being activated, and categorization is disabled, follow these steps:
Perform these quick checks to save time: If your overall Kerio Control subscription is active
Navigate to -> Advanced Options -> Software Update . Click Check Now .
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Ensure there is a rule allowing to Internet for HTTP/HTTPS traffic. Enable verbose logging for web filter: Ensure your
Ensure the checkbox is checked.