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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000163-VMM-000700

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must set a timeout to automatically end idle shell sessions after fifteen minutes.

    &lt;VulnDiscussion&gt;If a user forgets to log out of their local or remote ESXi Shell session, the idle connection will remain open indefinitely a...
    Rule Medium Severity
  • SRG-OS-000257-VMM-000910

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must implement Secure Boot enforcement.

    &lt;VulnDiscussion&gt;Secure Boot is part of the UEFI firmware standard. With UEFI Secure Boot enabled, a host refuses to load any UEFI driver or a...
    Rule Medium Severity
  • SRG-OS-000278-VMM-001000

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must enable Secure Boot.

    &lt;VulnDiscussion&gt;Secure Boot is part of the Unified Extensible Firmware Interface (UEFI) firmware standard. With UEFI Secure Boot enabled, a h...
    Rule Medium Severity
  • SRG-OS-000329-VMM-001180

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must enforce an unlock timeout of 15 minutes after a user account is locked out.

    &lt;VulnDiscussion&gt;By enforcing a reasonable unlock timeout after multiple failed logon attempts, the risk of unauthorized access via user passw...
    Rule Medium Severity
  • SRG-OS-000341-VMM-001220

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must allocate audit record storage capacity to store at least one week's worth of audit records.

    &lt;VulnDiscussion&gt;In order to ensure ESXi has sufficient storage capacity in which to write the audit logs, audit record storage capacity shoul...
    Rule Medium Severity
  • SRG-OS-000342-VMM-001230

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must off-load logs via syslog.

    &lt;VulnDiscussion&gt;Remote logging to a central log host provides a secure, centralized store for ESXi logs. By gathering host log files onto a c...
    Rule Medium Severity
  • SRG-OS-000355-VMM-001330

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must synchronize internal information system clocks to an authoritative time source.

    &lt;VulnDiscussion&gt;To ensure the accuracy of the system clock, it must be synchronized with an authoritative time source within DOD. Many system...
    Rule Medium Severity
  • SRG-OS-000366-VMM-001430

    <GroupDescription></GroupDescription>
    Group
  • The ESXi Image Profile and vSphere Installation Bundle (VIB) acceptance level must be verified.

    &lt;VulnDiscussion&gt;Verify the ESXi Image Profile to only allow signed VIBs. An unsigned VIB represents untested code installed on an ESXi host. ...
    Rule High Severity
  • SRG-OS-000379-VMM-001550

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must enable bidirectional Challenge-Handshake Authentication Protocol (CHAP) authentication for Internet Small Computer Systems Interface (iSCSI) traffic.

    &lt;VulnDiscussion&gt;When enabled, vSphere performs bidirectional authentication of both the iSCSI target and host. When not authenticating both t...
    Rule Medium Severity
  • SRG-OS-000423-VMM-001700

    <GroupDescription></GroupDescription>
    Group
  • The ESXi host must protect the confidentiality and integrity of transmitted information by isolating vMotion traffic.

    &lt;VulnDiscussion&gt;While encrypted vMotion is available, vMotion traffic should still be sequestered from other traffic to further protect it fr...
    Rule Medium Severity

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