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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • RHEL 9 must not enable IPv6 packet forwarding unless the system is a router.

    <VulnDiscussion>IP forwarding permits the kernel to forward packets from one network interface to another. The ability to forward packets bet...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not accept router advertisements on all IPv6 interfaces by default.

    &lt;VulnDiscussion&gt;An illicit router advertisement message could result in a man-in-the-middle attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.

    &lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. Thes...
    Rule Medium Severity

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