STIGQter STIGQter: STIG Summary: Windows Server 2016 Security Technical Implementation Guide Version: 1 Release: 10 Benchmark Date: 24 Jan 2020: The Kerberos policy user ticket renewal maximum lifetime must be limited to seven days or less.

DISA Rule

SV-88017r1_rule

Vulnerability Number

V-73365

Group Title

SRG-OS-000112-GPOS-00057

Rule Version

WN16-DC-000050

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 renewal" to a maximum of "7" days or less.

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 "Maximum lifetime for user ticket renewal" is greater than "7" days, this is a finding.

Vulnerability Number

V-73365

Documentable

False

Rule Version

WN16-DC-000050

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 "Maximum lifetime for user ticket renewal" is greater than "7" days, this is a finding.

Check Content Reference

M

Target Key

3157

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