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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 user account passwords must have a 60-day maximum password lifetime restriction.

    &lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked; therefore, passwords need to be changed periodically. If RHEL...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • All RHEL 9 local interactive user accounts must be assigned a home directory upon creation.

    &lt;VulnDiscussion&gt;If local interactive users are not assigned a valid home directory, there is no place for the storage and control of files th...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must set the umask value to 077 for all local interactive user accounts.

    &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
  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 duplicate User IDs (UIDs) must not exist for interactive users.

    &lt;VulnDiscussion&gt;To ensure accountability and prevent unauthenticated access, interactive users must be identified and authenticated to preven...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 system accounts must not have an interactive login shell.

    &lt;VulnDiscussion&gt;Ensuring shells are not given to system accounts upon login makes it more difficult for attackers to make use of system accou...
    Rule Medium Severity

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