Strict - this policy was specifically designed to protect minors from explicit and adult parts of the modern internet. It blocks known sites for adults, pages with explicit contents and excessive web ads. This policy is usually activated for all students computers in schools as well as for networks devices (pcs, phones, tablets) that are used by children at home.
Relaxed - this is a relaxed policy. It only blocks web advertisements and lets everything else pass through. Use this policy for network administrators and priviledged users which require only minimal level of web filtering.
Locked - this is a locked policy. It blocks access to any web site except those specified in the exclusion list. Use this policy for kiosk mode deployments where only several sites are allowed and everything else is blocked.
Default Policy - this policy is applied to all users that could not be found in other policies. This is a predefined policy and cannot be removed. Configure this policy so that it contains web filtering settings to be applied in your organization by default. Use other policies to relax or intensify the default settings. Default is a predefined policy and cannot be removed.