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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
  • CNAME records must not point to a zone with lesser security for more than six months.

    &lt;VulnDiscussion&gt;The use of CNAME records for exercises, tests, or zone-spanning aliases should be temporary (e.g., to facilitate a migration)...
    Rule Medium Severity
  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.

    &lt;VulnDiscussion&gt;Configuration settings are the set of parameters that can be changed that affect the security posture and/or functionality of...
    Rule Medium Severity
  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
  • A unique TSIG key must be generated for each pair of communicating hosts.

    &lt;VulnDiscussion&gt;To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...
    Rule Medium Severity
  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
  • All authoritative name servers for a zone must be geographically disbursed.

    &lt;VulnDiscussion&gt;In addition to network-based dispersion, authoritative name servers should be dispersed geographically as well. In other word...
    Rule Medium Severity
  • SRG-APP-000700

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must disable accounts when the accounts have expired.

    &lt;VulnDiscussion&gt;Disabling expired, inactive, or otherwise anomalous accounts supports the concepts of least privilege and least functionality...
    Rule Medium Severity
  • SRG-APP-000705

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must disable accounts when the accounts are no longer associated to a user.

    &lt;VulnDiscussion&gt;Disabling expired, inactive, or otherwise anomalous accounts supports the concepts of least privilege and least functionality...
    Rule Medium Severity
  • SRG-APP-000745

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must implement the capability to centrally review and analyze audit records from multiple components within the system.

    &lt;VulnDiscussion&gt;Automated mechanisms for centralized reviews and analyses include Security Information and Event Management products.&lt;/Vul...
    Rule Medium Severity
  • SRG-APP-000795

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must alert organization-defined personnel or roles upon detection of unauthorized access, modification, or deletion of audit information.

    &lt;VulnDiscussion&gt;Audit information includes all information needed to successfully audit system activity, such as audit records, audit log set...
    Rule Medium Severity
  • SRG-APP-000805

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must automatically generate audit records of the enforcement actions.

    &lt;VulnDiscussion&gt;Organizations log system accesses associated with applying configuration changes to ensure that configuration change control ...
    Rule Medium Severity
  • SRG-APP-000810

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must prevent the installation of organization-defined software and firmware components without verification that the component has been digitally signed using a certificate that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Software and firmware components prevented from installation unless signed with recognized and approved certificates include ...
    Rule Medium Severity

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