: 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)
Resolving Web Filter Invalid authorization failures - KerioControl
You need a valid maintenance contract to upgrade. : The Web Filter requires a specific license
Export block lists (e.g., from UT1 ) and import them as in Kerio Control – though without categorization, you must manually update them.
If the user is connected through a guest interface, Kerio Control disables the Web Filter for that traffic by default. Managing "Lifestyle and Entertainment" Content Export block lists (e
To help find the quickest fix, could you check your and tell me if you see a DNS response timeout or an Invalid authorization code? Knowing your current Kerio Control version would also be very helpful. Share public link
If the filter has disabled itself due to perceived unreliability (often triggered by DNS timeouts), you can force it back on using these SSH commands via the Kerio Control console Access the directory cd /opt/kerio/winroute Disable reliability detection ./tinydbclient "update SiteFilter set DetectReliability=0" Restart the service /etc/boxinit.d/60winroute restart Fix DNS and Authorization Issues Knowing your current Kerio Control version would also
It is recommended to use Cloudflare or OpenDNS (208.67.222.222) as custom DNS servers for the *.zvelo.com domains used for categorization.
I can provide the exact configuration scripts or commands tailored to your deployment. Share public link
Kerio Control applies its own rule set to traffic originating from the appliance (e.g., license checks, category updates).