Guide to the Secure Configuration of Red Hat Enterprise Linux 9
Rules, Groups, and Values defined within the XCCDF Benchmark
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Configure SSH Server to Use FIPS 140-2 Validated MACs: opensshserver.config
Crypto Policies provide a centralized control over crypto algorithms usage of many packages. OpenSSH is supported by system crypto policy, but the ...Rule Medium Severity -
Operating System Vendor Support and Certification
The assurance of a vendor to provide operating system support and maintenance for their product is an important criterion to ensure product stabili...Group -
The Installed Operating System Is FIPS 140-2 Certified
To enable processing of sensitive information the operating system must provide certified cryptographic modules compliant with FIPS 140-2 standard.Rule High Severity -
The Installed Operating System Is Vendor Supported
The installed operating system must be maintained by a vendor. Red Hat Enterprise Linux is supported by Red Hat, Inc. As the Red Hat Enterprise Li...Rule High Severity -
Endpoint Protection Software
Endpoint protection security software that is not provided or supported by Red Hat can be installed to provide complementary or duplicative secur...Group -
Configure Backups of User Data
The operating system must conduct backups of user data contained in the operating system. The operating system provides utilities for automating ba...Rule Medium Severity -
Install Intrusion Detection Software
The base Red Hat Enterprise Linux 9 platform already includes a sophisticated auditing system that can detect intruder activity, as well as SELinux...Rule High Severity -
McAfee Endpoint Security Software
In DoD environments, McAfee Host-based Security System (HBSS) and VirusScan Enterprise for Linux (VSEL) is required to be installed on all systems.Group -
The age of McAfee defintion file before requiring updating
Specify the amount of time (in seconds) before McAfee definition files need to be updated.Value -
Install McAfee Endpoint Security for Linux (ENSL)
Install McAfee Endpoint Security for Linux antivirus software which is provided for DoD systems and uses signatures to search for the presence of v...Rule Medium Severity -
Ensure McAfee Endpoint Security for Linux (ENSL) is running
Install McAfee Endpoint Security for Linux antivirus software which is provided for DoD systems and uses signatures to search for the presence of v...Rule Medium Severity -
McAfee Host-Based Intrusion Detection Software (HBSS)
McAfee Host-based Security System (HBSS) is a suite of software applications used to monitor, detect, and defend computer networks and systems.Group -
Install the Host Intrusion Prevention System (HIPS) Module
Install the McAfee Host Intrusion Prevention System (HIPS) Module if it is absolutely necessary. If SELinux is enabled, do not install or enable th...Rule Medium Severity -
Disk Partitioning
To ensure separation and protection of data, there are top-level system directories which should be placed on their own physical partition or logic...Group -
Encrypt Partitions
Red Hat Enterprise Linux 9 natively supports partition encryption through the Linux Unified Key Setup-on-disk-format (LUKS) technology. The easiest...Rule High Severity -
Ensure /home Located On Separate Partition
If user home directories will be stored locally, create a separate partition for <code>/home</code> at installation time (or migrate it later using...Rule Low Severity -
Ensure /srv Located On Separate Partition
If a file server (FTP, TFTP...) is hosted locally, create a separate partition for <code>/srv</code> at installation time (or migrate it later usin...Rule Unknown Severity -
Ensure /tmp Located On Separate Partition
The <code>/tmp</code> directory is a world-writable directory used for temporary file storage. Ensure it has its own partition or logical volume at...Rule Low Severity -
Ensure /var Located On Separate Partition
The <code>/var</code> directory is used by daemons and other system services to store frequently-changing data. Ensure that <code>/var</code> has i...Rule Low Severity -
Ensure /var/log Located On Separate Partition
System logs are stored in the <code>/var/log</code> directory. Ensure that <code>/var/log</code> has its own partition or logical volume at instal...Rule Low Severity -
Ensure /var/log/audit Located On Separate Partition
Audit logs are stored in the <code>/var/log/audit</code> directory. Ensure that <code>/var/log/audit</code> has its own partition or logical volum...Rule Low Severity -
Ensure /var/tmp Located On Separate Partition
The <code>/var/tmp</code> directory is a world-writable directory used for temporary file storage. Ensure it has its own partition or logical volum...Rule Medium Severity -
GNOME Desktop Environment
GNOME is a graphical desktop environment bundled with many Linux distributions that allow users to easily interact with the operating system graphi...Group -
Remove the GDM Package Group
By removing the <code>gdm</code> package, the system no longer has GNOME installed installed. If X Windows is not installed then the system canno...Rule Medium Severity -
Make sure that the dconf databases are up-to-date with regards to respective keyfiles
By default, DConf uses a binary database as a data backend. The system-level database is compiled from keyfiles in the /etc/dconf/db/ directory by ...Rule High Severity -
Configure GNOME3 DConf User Profile
By default, DConf provides a standard user profile. This profile contains a list of DConf configuration databases. The user profile and database al...Rule High Severity -
Configure GNOME Login Screen
In the default GNOME desktop, the login is displayed after system boot and can display user accounts, allow users to reboot the system, and allow u...Group -
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 -
Disable the GNOME3 Login Restart and Shutdown Buttons
In the default graphical environment, users logging directly into the system are greeted with a login screen that allows any user, known or unknown...Rule High Severity -
Disable the GNOME3 Login User List
In the default graphical environment, users logging directly into the system are greeted with a login screen that displays all known users. This fu...Rule Medium Severity -
Enable the GNOME3 Login Smartcard Authentication
In the default graphical environment, smart card authentication can be enabled on the login screen by setting <code>enable-smartcard-authentication...Rule Medium Severity -
Enable the GNOME3 Screen Locking On Smartcard Removal
In the default graphical environment, screen locking on smartcard removal can be enabled by setting <code>removal-action</code> to <code>'lock-scre...Rule Medium Severity -
Set the GNOME3 Login Number of Failures
In the default graphical environment, the GNOME3 login screen and be configured to restart the authentication process after a configured number of ...Rule Medium Severity -
Disable GDM Automatic Login
The GNOME Display Manager (GDM) can allow users to automatically login without user interaction or credentials. User should always be required to a...Rule High Severity -
Disable XDMCP in GDM
XDMCP is an unencrypted protocol, and therefore, presents a security risk, see e.g. <a href="https://help.gnome.org/admin/gdm/stable/security.html....Rule High Severity -
GNOME Media Settings
GNOME media settings that apply to the graphical interface.Group -
tally2
Number of failed login attemptsValue -
Disable GNOME3 Automounting
The system's default desktop environment, GNOME3, will mount devices and removable media (such as DVDs, CDs and USB flash drives) whenever they are...Rule Medium Severity -
Disable GNOME3 Automount Opening
The system's default desktop environment, GNOME3, will mount devices and removable media (such as DVDs, CDs and USB flash drives) whenever they are...Rule Medium Severity -
Disable GNOME3 Automount running
The system's default desktop environment, GNOME3, will mount devices and removable media (such as DVDs, CDs and USB flash drives) whenever they are...Rule Low Severity -
Disable All GNOME3 Thumbnailers
The system's default desktop environment, GNOME3, uses a number of different thumbnailer programs to generate thumbnails for any new or modified co...Rule Unknown Severity -
GNOME Network Settings
GNOME network settings that apply to the graphical interface.Group -
Disable WIFI Network Connection Creation in GNOME3
<code>GNOME</code> allows users to create ad-hoc wireless connections through the <code>NetworkManager</code> applet. Wireless connections should b...Rule Medium Severity -
Disable WIFI Network Notification in GNOME3
By default, <code>GNOME</code> disables WIFI notification. This should be permanently set so that users do not connect to a wireless network when t...Rule Medium Severity -
GNOME Remote Access Settings
GNOME remote access settings that apply to the graphical interface.Group -
slub_debug - debug options
Defines the debug options to use inslub_debugkernel command line argument.Value -
Require Credential Prompting for Remote Access in GNOME3
By default, <code>GNOME</code> does not require credentials when using <code>Vino</code> for remote access. To configure the system to require remo...Rule Medium Severity -
Require Encryption for Remote Access in GNOME3
By default, <code>GNOME</code> requires encryption when using <code>Vino</code> for remote access. To prevent remote access encryption from being d...Rule Medium Severity -
Configure GNOME Screen Locking
In the default GNOME3 desktop, the screen can be locked by selecting the user name in the far right corner of the main panel and selecting <b>Lock<...Group -
Screensaver Inactivity timeout
Choose allowed duration (in seconds) of inactive graphical sessionsValue
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.