Microsoft Windows Server 2022 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Windows Server 2022 Kerberos user logon restrictions must be enforced.
<VulnDiscussion>This policy setting determines whether the Kerberos Key Distribution Center (KDC) validates every request for a session ticke...Rule Medium Severity -
SRG-OS-000112-GPOS-00057
<GroupDescription></GroupDescription>Group -
Windows Server 2022 Kerberos service ticket maximum lifetime must be limited to 600 minutes or less.
<VulnDiscussion>This setting determines the maximum amount of time (in minutes) that a granted session ticket can be used to access a particu...Rule Medium Severity -
SRG-OS-000112-GPOS-00057
<GroupDescription></GroupDescription>Group -
Windows Server 2022 domain controllers must run on a machine dedicated to that function.
<VulnDiscussion>Executing application servers on the same host machine with a directory server may substantially weaken the security of the d...Rule Medium Severity -
Windows Server 2022 Kerberos user ticket lifetime must be limited to 10 hours or less.
<VulnDiscussion>In Kerberos, there are two types of tickets: Ticket Granting Tickets (TGTs) and Service Tickets. Kerberos tickets have a limi...Rule Medium Severity -
SRG-OS-000112-GPOS-00057
<GroupDescription></GroupDescription>Group -
Windows Server 2022 Kerberos policy user ticket renewal maximum lifetime must be limited to seven days or less.
<VulnDiscussion>This setting determines the period of time (in days) during which a user's Ticket Granting Ticket (TGT) may be renewed. This ...Rule Medium Severity -
SRG-OS-000112-GPOS-00057
<GroupDescription></GroupDescription>Group -
Windows Server 2022 computer clock synchronization tolerance must be limited to five minutes or less.
<VulnDiscussion>This setting determines the maximum time difference (in minutes) that Kerberos will tolerate between the time on a client's c...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
Windows Server 2022 permissions on the Active Directory data files must only allow System and Administrators access.
<VulnDiscussion>Improper access permissions for directory data-related files could allow unauthorized users to read, modify, or delete direct...Rule High Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
Windows Server 2022 Active Directory SYSVOL directory must have the proper access control permissions.
<VulnDiscussion>Improper access permissions for directory data files could allow unauthorized users to read, modify, or delete directory data...Rule High Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
SRG-OS-000396-GPOS-00176
<GroupDescription></GroupDescription>Group -
Windows Server 2022 must use separate, NSA-approved (Type 1) cryptography to protect the directory data in transit for directory service implementations at a classified confidentiality level when replication data traverses a network cleared to a lower level than the data.
<VulnDiscussion>Directory data that is not appropriately encrypted is subject to compromise. Commercial-grade encryption does not provide ade...Rule Medium Severity -
Windows Server 2022 Active Directory Group Policy objects must have proper access control permissions.
<VulnDiscussion>When directory service database objects do not have appropriate access control permissions, it may be possible for malicious ...Rule High Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
Windows Server 2022 Active Directory Domain Controllers Organizational Unit (OU) object must have the proper access control permissions.
<VulnDiscussion>When Active Directory objects do not have appropriate access control permissions, it may be possible for malicious users to c...Rule High Severity
Node 2
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