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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • A RHEL 9 firewall must employ a deny-all, allow-by-exception policy for allowing connections to other systems.

    &lt;VulnDiscussion&gt;Failure to restrict network connectivity only to authorized systems permits inbound connections from malicious systems. It al...
    Rule Medium Severity
  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must control remote access methods.

    &lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...
    Rule Medium Severity
  • SRG-OS-000420-GPOS-00186

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must protect against or limit the effects of denial-of-service (DoS) attacks by ensuring rate-limiting measures on impacted network interfaces are implemented.

    &lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...
    Rule Medium Severity
  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the Ports, Protocols, and Services Management (PPSM) Category Assignments List (CAL) and vulnerability assessments.

    &lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 network interfaces must not be in promiscuous mode.

    &lt;VulnDiscussion&gt;Network interfaces in promiscuous mode allow for the capture of all network traffic visible to the system. If unauthorized in...
    Rule Medium Severity

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