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Microsoft Windows Server 2016 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Windows Remote Management (WinRM) client must not allow unencrypted traffic.

    <VulnDiscussion>Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connection...
    Rule Medium Severity
  • SRG-OS-000125-GPOS-00065

    <GroupDescription></GroupDescription>
    Group
  • The Windows Remote Management (WinRM) client must not use Digest authentication.

    &lt;VulnDiscussion&gt;Digest authentication is not as strong as other options and may be subject to man-in-the-middle attacks. Disallowing Digest a...
    Rule Medium Severity
  • The Windows Remote Management (WinRM) service must not allow unencrypted traffic.

    &lt;VulnDiscussion&gt;Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connection...
    Rule Medium Severity
  • SRG-OS-000373-GPOS-00157

    <GroupDescription></GroupDescription>
    Group
  • The Windows Remote Management (WinRM) service must not store RunAs credentials.

    &lt;VulnDiscussion&gt;Storage of administrative credentials could allow unauthorized access. Disallowing the storage of RunAs credentials for Windo...
    Rule Medium Severity
  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
  • Only administrators responsible for the domain controller must have Administrator rights on the system.

    &lt;VulnDiscussion&gt;An account that does not have Administrator duties must not have Administrator rights. Such rights would allow the account to...
    Rule High Severity
  • SRG-OS-000112-GPOS-00057

    <GroupDescription></GroupDescription>
    Group
  • Kerberos user logon restrictions must be enforced.

    &lt;VulnDiscussion&gt;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
  • The Kerberos service ticket maximum lifetime must be limited to 600 minutes or less.

    &lt;VulnDiscussion&gt;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
  • The Kerberos user ticket lifetime must be limited to 10 hours or less.

    &lt;VulnDiscussion&gt;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
  • The Kerberos policy user ticket renewal maximum lifetime must be limited to seven days or less.

    &lt;VulnDiscussion&gt;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
  • The computer clock synchronization tolerance must be limited to 5 minutes or less.

    &lt;VulnDiscussion&gt;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
  • Permissions on the Active Directory data files must only allow System and Administrators access.

    &lt;VulnDiscussion&gt;Improper access permissions for directory data-related files could allow unauthorized users to read, modify, or delete direct...
    Rule High Severity

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