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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must automatically exit interactive command shell user sessions after 15 minutes of inactivity.

    &lt;VulnDiscussion&gt;Terminating an idle interactive command shell user session within a short time period reduces the window of opportunity for u...
    Rule Medium Severity
  • SRG-OS-000027-GPOS-00008

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must limit the number of concurrent sessions to ten for all accounts and/or account types.

    &lt;VulnDiscussion&gt;Operating system management includes the ability to control the number of users and user sessions that utilize an operating s...
    Rule Low Severity
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must log username information when unsuccessful logon attempts occur.

    &lt;VulnDiscussion&gt;Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack.&lt;/VulnDi...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00226

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.

    &lt;VulnDiscussion&gt;Increasing the time between a failed authentication attempt and reprompting to enter credentials helps to slow a single-threa...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00228

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must define default permissions for the bash shell.

    &lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or le...
    Rule Medium Severity

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