Title

The Kerberos policy option must be configured to enforce user logon restrictions. (Cat II impact)

Discussion

This policy setting determines whether the Kerberos Key Distribution Center (KDC) validates every request for a session ticket against the user rights policy of the target computer. The policy is enabled by default which is the most secure setting for validating access to target resources is not circumvented.

Check Content

1. Analyze the system using the Security Configuration and Analysis tool. 2. Expand the Security Configuration and Analysis tree view. 3. Navigate to Account Policies -> Kerberos Policy. 4. If the “Enforce user logon restrictions” is not set to ‘Enabled’, then this is a finding.

Fix Text

Set the Kerberos policy option “Enforce user logon restrictions” to ‘Enabled’

Additional Identifiers

Rule ID: SV-28495r1_rule

Vulnerability ID: V-2376

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.