To fix the error, you must resolve underlying DNS resolution failures or modify the firewall's built-in reliability detection settings . This critical error completely stops web content filtering, allowing users to bypass company policies and browse unrestricted.
If this fails, you may need to clear the cache via the console by deleting the contents of the /var/winroute/webfilter/ directory (advanced users only). 4. Firewall Rules and Port Access
Use this checklist to systematically verify the fix: To fix the error, you must resolve underlying
HTTPS inspection can interfere with the web filter’s ability to download categorization data, because the update process uses a pinned certificate that may be tampered with if you’re intercepting all SSL traffic.
Kerio Control Web Filter is Not Activated: Categorization is Disabled [Fixed] Misconfiguration can make it seem like web filter
Look for red text or an exclamation mark next to Categorization status .
Misconfiguration can make it seem like web filter is inactive. To fix the error
Kerio Control’s web filter requires a (part of the Security Pack ).