STIGQter STIGQter: STIG Summary: Microsoft Windows Server 2019 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Windows Server 2019 Kerberos user ticket lifetime must be limited to 10 hours or less.

DISA Rule

SV-205704r569188_rule

Vulnerability Number

V-205704

Group Title

SRG-OS-000112-GPOS-00057

Rule Version

WN19-DC-000040

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the policy value in the Default Domain Policy for Computer Configuration >> Policies >> Windows Settings >> Security Settings >> Account Policies >> Kerberos Policy >> "Maximum lifetime for user ticket" to a maximum of "10" hours but not "0", which equates to "Ticket doesn't expire".

Check Contents

This applies to domain controllers. It is NA for other systems.

Verify the following is configured in the Default Domain Policy:

Open "Group Policy Management".

Navigate to "Group Policy Objects" in the Domain being reviewed (Forest >> Domains >> Domain).

Right-click on the "Default Domain Policy".

Select "Edit".

Navigate to Computer Configuration >> Policies >> Windows Settings >> Security Settings >> Account Policies >> Kerberos Policy.

If the value for "Maximum lifetime for user ticket" is "0" or greater than "10" hours, this is a finding.

Vulnerability Number

V-205704

Documentable

False

Rule Version

WN19-DC-000040

Severity Override Guidance

This applies to domain controllers. It is NA for other systems.

Verify the following is configured in the Default Domain Policy:

Open "Group Policy Management".

Navigate to "Group Policy Objects" in the Domain being reviewed (Forest >> Domains >> Domain).

Right-click on the "Default Domain Policy".

Select "Edit".

Navigate to Computer Configuration >> Policies >> Windows Settings >> Security Settings >> Account Policies >> Kerberos Policy.

If the value for "Maximum lifetime for user ticket" is "0" or greater than "10" hours, this is a finding.

Check Content Reference

M

Target Key

2907

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