Ensure that your Kerio Control appliance is using stable, public DNS servers for forwarding.
To help narrow down the solution, could you provide a bit more context?
After resolution, confirm:
Once categorization status displays as active, protect your network from unauthorized bypasses by ensuring your content filtering rules are configured for maximum efficiency.
This stops Kerio from automatically disabling the filter when it loses connection to the update servers. : Ensure that your Kerio Control appliance is using
rm -rf /var/kerio/kerio-control/cache/urlfilter/
Note: The base firewall license might be active, but the Web Filter requires its own valid software maintenance sub-license. 2. Verify Port 443 and Server Connectivity This stops Kerio from automatically disabling the filter
: Ensure your system time is accurate and synchronized with an NTP server, as mismatched times can cause license and certificate errors. GFI Support exact SSH commands