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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must not allow anonymous enumeration of shares.

    &lt;VulnDiscussion&gt;Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can pr...
    Rule High Severity
  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must restrict anonymous access to Named Pipes and Shares.

    &lt;VulnDiscussion&gt;Allowing anonymous access to named pipes or shares provides the potential for unauthorized system access. This setting restri...
    Rule High Severity
  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 directory service must be configured to terminate LDAP-based network connections to the directory server after five minutes of inactivity.

    &lt;VulnDiscussion&gt;The failure to terminate inactive network connections increases the risk of a successful attack on the directory server. The ...
    Rule Low Severity
  • SRG-OS-000185-GPOS-00079

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 systems requiring data at rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest.

    &lt;VulnDiscussion&gt;This requirement addresses protection of user-generated data as well as operating system-specific configuration data. Organiz...
    Rule Medium Severity
  • SRG-OS-000191-GPOS-00080

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must employ automated mechanisms to determine the state of system components with regard to flaw remediation using the following frequency: continuously, where Endpoint Security Solution (ESS) is used; 30 days, for any additional internal network scans not covered by ESS; and annually, for external scans by Computer Network Defense Service Provider (CNDSP).

    &lt;VulnDiscussion&gt;Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating syste...
    Rule Medium Severity
  • SRG-OS-000240-GPOS-00090

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must be configured to audit Logon/Logoff - Account Lockout failures.

    &lt;VulnDiscussion&gt;Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...
    Rule Medium Severity
  • SRG-OS-000257-GPOS-00098

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 Event Viewer must be protected from unauthorized modification and deletion.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
  • SRG-OS-000297-GPOS-00115

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 Deny log on through Remote Desktop Services user right on domain controllers must be configured to prevent unauthenticated access.

    &lt;VulnDiscussion&gt;Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Deny log o...
    Rule Medium Severity
  • SRG-OS-000297-GPOS-00115

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 "Deny log on through Remote Desktop Services" user right on domain-joined member servers must be configured to prevent access from highly privileged domain accounts and all local accounts and from unauthenticated access on all systems.

    &lt;VulnDiscussion&gt;Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Deny log o...
    Rule Medium Severity
  • SRG-OS-000312-GPOS-00122

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 permissions for the system drive root directory (usually C:\) must conform to minimum requirements.

    &lt;VulnDiscussion&gt;Changing the system's file and directory permissions allows the possibility of unauthorized and anonymous modification to the...
    Rule Medium Severity

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