STIGQter STIGQter: STIG Summary: Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide Version: 1 Release: 31 Benchmark Date: 26 Jul 2019: The Kerberos service ticket maximum lifetime must be limited to 600 minutes or less.

DISA Rule

SV-36176r2_rule

Vulnerability Number

V-2377

Group Title

Kerberos-Service Ticket Lifetime

Rule Version

AD.4030_2008_R2

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 service ticket" to a maximum of "600" minutes, but not "0" which equates to "Ticket doesn't expire".

Check Contents

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 service ticket" is "0" or greater than "600" minutes, this is a finding.

Vulnerability Number

V-2377

Documentable

False

Rule Version

AD.4030_2008_R2

Severity Override Guidance

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 service ticket" is "0" or greater than "600" minutes, this is a finding.

Check Content Reference

M

Responsibility

System Administrator

Target Key

1823

Comments