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III - Administrative Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must limit the number of bogus Internet Control Message Protocol (ICMP) response errors logs.

    &lt;VulnDiscussion&gt;Some routers will send responses to broadcast frames that violate RFC-1122, which fills up a log file system with many useles...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not send Internet Control Message Protocol (ICMP) redirects.

    &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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not allow interfaces to perform Internet Control Message Protocol (ICMP) redirects by default.

    &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
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not enable IPv4 packet forwarding unless the system is a router.

    &lt;VulnDiscussion&gt;Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this c...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

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

    &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 ignore IPv6 Internet Control Message Protocol (ICMP) redirect messages.

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

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not forward IPv6 source-routed packets.

    &lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than c...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not enable IPv6 packet forwarding unless the system is a router.

    &lt;VulnDiscussion&gt;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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