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Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not have the tuned package installed.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not have a Trivial File Transfer Protocol (TFTP) server package installed.

    &lt;VulnDiscussion&gt;Removing the "tftp-server" package decreases the risk of the accidental (or intentional) activation of tftp services. If TFT...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must not have the quagga package installed.

    &lt;VulnDiscussion&gt;Quagga is a network routing software suite providing implementations of Open Shortest Path First (OSPF), Routing Information ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • A graphical display manager must not be installed on RHEL 9 unless approved.

    &lt;VulnDiscussion&gt;Unnecessary service packages must not be installed to decrease the attack surface of the system. Graphical display managers h...
    Rule Medium Severity
  • SRG-OS-000105-GPOS-00052

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must use a separate file system for /var.

    &lt;VulnDiscussion&gt;Ensuring that "/var" is mounted on its own partition enables the setting of more restrictive mount options. This helps protec...
    Rule Low Severity

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