If pings fail, check:
Kerio Control’s web content filtering is failing: the Web Filter service shows “not activated” and URL categorization is disabled, causing unfiltered web access. This is a high-priority (hot) problem because it bypasses policy enforcement and exposes users to inappropriate or malicious content. If pings fail, check: Kerio Control’s web content
Restore a configuration backup from a date when the Web Filter was working. Sometimes a corrupt rule or mis-saved setting is the culprit. Sometimes a corrupt rule or mis-saved setting is the culprit
: The Web Filter requires a specific license. If your license has expired or you are past the 30-day trial, the categorization features will be automatically disabled. support.keriocontrol.gfi.com Advanced Troubleshooting (via SSH) support
Kerio Control automatically disables the web filter if it fails to receive DNS responses from update servers 10 times in a row.
After completing the steps above: