One of the most common issues network administrators face with Kerio Control is opening the administrative interface to find that the Web Filter is not activating, or that URL categorization is disabled. This state prevents the enforcement of browsing policies, leaving the network vulnerable or unmanaged.
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 sends automatic DNS queries to update servers. If it fails to receive a response 10 times within 1 minute, it marks the Web Filter as "unreliable" and disables categorization. Invalid Authorization : This often stems from an expired
If SSL inspection is off, HTTPS sites may appear uncategorized.
Access SSH: Log into your Kerio Control console using a tool like PuTTY. Navigate to the Directory: cd /opt/kerio/winroute Use code with caution. Copied to clipboard Run the Update Command: ./tinydbclient "update SiteFilter set DetectReliability=0" Use code with caution. Copied to clipboard Restart the Service: /etc/boxinit.d/60winroute restart Use code with caution. Copied to clipboard Secondary Fixes & Prevention
One of the most common issues network administrators face with Kerio Control is opening the administrative interface to find that the Web Filter is not activating, or that URL categorization is disabled. This state prevents the enforcement of browsing policies, leaving the network vulnerable or unmanaged.
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 sends automatic DNS queries to update servers. If it fails to receive a response 10 times within 1 minute, it marks the Web Filter as "unreliable" and disables categorization. Invalid Authorization : This often stems from an expired
If SSL inspection is off, HTTPS sites may appear uncategorized.
Access SSH: Log into your Kerio Control console using a tool like PuTTY. Navigate to the Directory: cd /opt/kerio/winroute Use code with caution. Copied to clipboard Run the Update Command: ./tinydbclient "update SiteFilter set DetectReliability=0" Use code with caution. Copied to clipboard Restart the Service: /etc/boxinit.d/60winroute restart Use code with caution. Copied to clipboard Secondary Fixes & Prevention