Kerio Control Web Filter Is Not Activated Categorization Is Disabled Fixed May 2026

How to Fix "Kerio Control Web Filter is Not Activated, Categorization is Disabled"

/etc/init.d/keriocontrol-web-filter restart
    1. Configuration → SSL Inspection
    2. Enable Inspect SSL traffic
    3. Deploy the generated CA certificate to client devices

    License Issues:

    An expired license or trial period (30 days) will automatically disable the Web Filter module. How to Fix "Kerio Control Web Filter is

    • updates.gfi.com (TCP 80, 443)
    • download.kerio.com (TCP 80, 443)
    • crl.gfi.com (Certificate revocation)

    1. Verify License Status

    Test from the Kerio machine:

    Categories rely on HTTPS certificates and time-based tokens. If your system clock is off by more than a few minutes, the categorization service will disable itself to avoid security mismatches. Configuration → SSL Inspection Enable Inspect SSL traffic

    Enable Predefined Rules

    : Ensure the "Kerio Control Web Filter categories and applications" rule is enabled under Content Filter > Content Rules . License Issues: An expired license or trial period

    • How to Fix "Kerio Control Web Filter is Not Activated, Categorization is Disabled"

    /etc/init.d/keriocontrol-web-filter restart
    1. Configuration → SSL Inspection
    2. Enable Inspect SSL traffic
    3. Deploy the generated CA certificate to client devices

    License Issues:

    An expired license or trial period (30 days) will automatically disable the Web Filter module.

    1. Verify License Status

    Test from the Kerio machine:

    Categories rely on HTTPS certificates and time-based tokens. If your system clock is off by more than a few minutes, the categorization service will disable itself to avoid security mismatches.

    Enable Predefined Rules

    : Ensure the "Kerio Control Web Filter categories and applications" rule is enabled under Content Filter > Content Rules .