This button enables / disables Firewall.

Clicking this link opens a page with component details in a browser window.

If this check box is selected, Kaspersky Total Security shows notifications when any vulnerabilities are detected on a Wi-Fi network.

If this check box is cleared, no notifications of vulnerabilities on Wi-Fi networks are displayed.

This check box can be accessed if Kaspersky Secure Connection is not installed on the computer.

Clicking this link opens the Categories window in which you can specify the types of vulnerabilities of Wi-Fi networks. The application will alert you when you try to connect to a Wi-Fi network that has a specified vulnerability.

If this check box is selected, Kaspersky Total Security blocks all transmission of passwords in non-encrypted format and shows you a notification of that event when you use a Wi-Fi network.

If this check box is cleared, transmission of passwords in non-encrypted formats is not blocked when you use a Wi-Fi network.

Clicking this link lets you restore the default values of settings for display of notifications about transfers of passwords in non-encrypted form. Notifications that you have blocked from being displayed will be shown again.

If the check box is selected, Firewall allows connections to your computer on random ports if switching to active FTP mode was detected on the host connection.

If the check box is cleared, Firewall blocks connections to your computer on random ports if switching to active FTP mode was detected on the host connection.

This check box enables / disables the option that prevents Firewall from stopping until the operating system shuts down completely.

If this check box is selected, Firewall does not stop when the interface of Kaspersky Total Security is not loaded.

If this check box is cleared, network connections are not blocked when the interface of Kaspersky Total Security is not loaded.

Clicking this link opens the Networks window. In this window, you can configure control of the network connections that Firewall has detected on the computer.

Clicking this link opens the Application network rules window. In this window, you can configure network rules for applications installed on the computer.

Clicking this link opens the Packet rules window.

In this window, you can configure packet rules. A packet rule consists of a set of conditions and actions performed on packets and data streams by Firewall when specific conditions are met. Packet rules have higher priority than application rules.