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DISA STIG for Red Hat Enterprise Linux 9

Rules and Groups employed by this XCCDF Profile

  • Disable graphical user interface

    By removing the following packages, the system no longer has X Windows installed. <code>xorg-x11-server-Xorg xorg-x11-server-common xorg-x11-server-utils xorg-x11-server-Xwayland</code> If X Win...
    Rule Medium Severity
  • Disable X Windows Startup By Setting Default Target

    Systems that do not require a graphical user interface should only boot by default into <code>multi-user.target</code> mode. This prevents accidental booting of the system into a <code>graphical.ta...
    Rule Medium Severity
  • Network Manager

    The NetworkManager daemon configures a variety of network connections. This section discusses how to configure NetworkManager.
    Group
  • NetworkManager DNS Mode Must Be Must Configured

    The DNS processing mode in NetworkManager describes how DNS is processed on the system. Depending the mode some changes the system's DNS may not be respected.
    Rule Medium Severity
  • Verify Group Who Owns cron.deny

    To properly set the group owner of /etc/cron.deny, run the command:
    $ sudo chgrp root /etc/cron.deny
    Rule Medium Severity
  • Verify Owner on cron.deny

    To properly set the owner of /etc/cron.deny, run the command:
    $ sudo chown root /etc/cron.deny 
    Rule Medium Severity
  • The s-nail Package Is Installed

    A mail server is required for sending emails. The s-nail package can be installed with the following command:
    $ sudo dnf install s-nail
    Rule Medium Severity
  • Ensure All User Initialization Files Have Mode 0740 Or Less Permissive

    Set the mode of the user initialization files, including the <code>root</code> user, to <code>0740</code> with the following commands: <pre> $ sudo chmod 0740 /root/.<i>INIT_FILE</i> $ sudo chmod 0...
    Rule Medium Severity
  • The File /etc/ssh/sshd_config.d/50-redhat.conf Must Exist

    The /etc/ssh/sshd_config.d/50-redhat.conf file must exist as it contains important settings to secure SSH.
    Rule Medium Severity
  • SSHD Must Include System Crypto Policy Config File

    SSHD should follow the system cryptographic policy. In order to accomplish this the SSHD configuration should include the system
    Rule Medium Severity

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