Guide to the Secure Configuration of Red Hat Enterprise Linux 7
Rules, Groups, and Values defined within the XCCDF Benchmark
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Implement Blank Screensaver
To set the screensaver mode in the GNOME3 desktop to a blank screen, add or set <code>picture-uri</code> to <code>string ''</code> in <code>/etc...Rule Medium Severity -
Disable Full User Name on Splash Shield
By default when the screen is locked, the splash shield will show the user's full name. This should be disabled to prevent casual observers from se...Rule Medium Severity -
Ensure Users Cannot Change GNOME3 Screensaver Settings
If not already configured, ensure that users cannot change GNOME3 screensaver lock settings by adding <code>/org/gnome/desktop/screensaver/lock-del...Rule Medium Severity -
Sudo - timestamp_timeout value
Defines the number of minutes that can elapse before <code>sudo</code> will ask for a passwd again. If set to a value less than 0 the user's time s...Value -
Sudo - umask value
Specify the sudo umask to use. The actual umask value that is used is the union of the user's umask and the sudo umask. The default sudo umask is 0...Value -
Ensure Users Cannot Change GNOME3 Session Idle Settings
If not already configured, ensure that users cannot change GNOME3 session idle settings by adding <code>/org/gnome/desktop/session/idle-delay</code...Rule Medium Severity -
GNOME System Settings
GNOME provides configuration and functionality to a graphical desktop environment that changes grahical configurations or allow a user to perform a...Group -
Disable Ctrl-Alt-Del Reboot Key Sequence in GNOME3
By default, <code>GNOME</code> will reboot the system if the <code>Ctrl-Alt-Del</code> key sequence is pressed. <br><br> To configure the system to...Rule High Severity -
Disable Geolocation in GNOME3
<code>GNOME</code> allows the clock and applications to track and access location information. This setting should be disabled as applications shou...Rule Medium Severity -
Disable Power Settings in GNOME3
By default, <code>GNOME</code> enables a power profile designed for mobile devices with battery usage. While useful for mobile devices, this settin...Rule Medium Severity -
Disable User Administration in GNOME3
By default, <code>GNOME</code> will allow all users to have some administratrion capability. This should be disabled so that non-administrative use...Rule High Severity -
SAP Specific Requirement
SAP (Systems, Applications and Products in Data Processing) is enterprise software to manage business operations and customer relations. The follow...Group -
Sudo
<code>Sudo</code>, which stands for "su 'do'", provides the ability to delegate authority to certain users, groups of users, or system administrato...Group -
Ensure sudo Runs In A Minimal Environment - sudo env_reset
The sudo <code>env_reset</code> tag, when specified, will run the command in a minimal environment, containing the TERM, PATH, HOME, MAIL, SHELL, L...Rule Medium Severity -
Ensure sudo Ignores Commands In Current Dir - sudo ignore_dot
The sudo <code>ignore_dot</code> tag, when specified, will ignore the current directory in the PATH environment variable. On Red Hat Enterprise Lin...Rule Medium Severity -
Ensure Privileged Escalated Commands Cannot Execute Other Commands - sudo NOEXEC
The sudo <code>NOEXEC</code> tag, when specified, prevents user executed commands from executing other commands, like a shell for example. This sho...Rule High Severity -
Ensure sudo passwd_timeout is appropriate - sudo passwd_timeout
The sudo <code>passwd_timeout</code> tag sets the amount of time sudo password prompt waits. On Red Hat Enterprise Linux 7, the default <code>passw...Rule Medium Severity -
Ensure Only Users Logged In To Real tty Can Execute Sudo - sudo requiretty
The sudo <code>requiretty</code> tag, when specified, will only execute sudo commands from users logged in to a real tty. This should be enabled by...Rule Medium Severity -
Ensure sudo umask is appropriate - sudo umask
The sudo <code>umask</code> tag, when specified, will be added the to the user's umask in the command environment. On Red Hat Enterprise Linux 7, t...Rule Medium Severity -
Ensure Only Users Logged In To Real tty Can Execute Sudo - sudo use_pty
The sudo <code>use_pty</code> tag, when specified, will only execute sudo commands from users logged in to a real tty. This should be enabled by ma...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.