DISA STIG for Red Hat Enterprise Linux 9
Rules and Groups employed by this XCCDF Profile
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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. Thes-nail
package can be installed with the following command:$ sudo dnf install s-nail
Rule Medium Severity -
Support session locking with tmux (not enforcing)
Thetmux
terminal multiplexer is used to implement automatic session locking. It should be started from/etc/bashrc
or drop-in files within/etc/profile.d/
.Rule Medium Severity -
Configure the tmux lock session key binding
To set a key binding for the screen locking in <code>tmux</code> terminal multiplexer, the <code>session-lock</code> command must be bound to a key. Add the following line to <code>/etc/tmux.conf</...Rule Low 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
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.
Capacity
Modules