Guide to the Secure Configuration of Red Hat Enterprise Linux 8
Rules, Groups, and Values defined within the XCCDF Benchmark
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Uninstall iprutils Package
Theiprutils
package can be removed with the following command:$ sudo yum erase iprutils
Rule Medium Severity -
Uninstall libreport-plugin-logger Package
Thelibreport-plugin-logger
package can be removed with the following command:$ sudo yum erase libreport-plugin-logger
Rule Low Severity -
Uninstall libreport-plugin-rhtsupport Package
Thelibreport-plugin-rhtsupport
package can be removed with the following command:$ sudo yum erase libreport-plugin-rhtsupport
Rule Low Severity -
Uninstall pigz Package
Thepigz
package can be removed with the following command:$ sudo yum erase pigz
Rule Low Severity -
Uninstall python3-abrt-addon Package
Thepython3-abrt-addon
package can be removed with the following command:$ sudo yum erase python3-abrt-addon
Rule Low Severity -
Uninstall tuned Package
Thetuned
package can be removed with the following command:$ sudo yum erase tuned
Rule Medium Severity -
Updating Software
The <code>yum</code> command line tool is used to install and update software packages. The system also provides a graphical software update tool in the <b>System</b> menu, in the <b>Administration...Group -
Ensure yum Removes Previous Package Versions
<code>yum</code> should be configured to remove previous software components after new versions have been installed. To configure <code>yum</code> to remove the previous software components after ...Rule Low Severity -
Configure dnf-automatic to Install Available Updates Automatically
To ensure that the packages comprising the available updates will be automatically installed by <code>dnf-automatic</code>, set <code>apply_updates</code> to <code>yes</code> under <code>[commands]...Rule Medium Severity -
Configure dnf-automatic to Install Only Security Updates
To configure <code>dnf-automatic</code> to install only security updates automatically, set <code>upgrade_type</code> to <code>security</code> under <code>[commands]</code> section in <code>/etc/dn...Rule Low Severity -
Ensure gpgcheck Enabled for Local Packages
<code>yum</code> should be configured to verify the signature(s) of local packages prior to installation. To configure <code>yum</code> to verify signatures of local packages, set the <code>localpk...Rule High Severity -
Ensure gpgcheck Enabled for All yum Package Repositories
To ensure signature checking is not disabled for any repos, remove any lines from files in/etc/yum.repos.d
of the form:gpgcheck=0
Rule High Severity -
Ensure gpgcheck Enabled for Repository Metadata
Verify the operating system prevents the installation of patches, service packs, device drivers, or operating system components of local packages without verification of the repository metadata. Ch...Rule High Severity -
Verify ownership of System Login Banner
To properly set the owner of/etc/issue
, run the command:$ sudo chown root /etc/issue
Rule Medium Severity -
Account and Access Control
In traditional Unix security, if an attacker gains shell access to a certain login account, they can perform any action or access any file to which that account has access. Therefore, making it mor...Group -
Authselect profile
Specify the authselect profile to selectValue -
Enable authselect
Configure user authentication setup to use the <code>authselect</code> tool. If authselect profile is selected, the rule will enable the <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var...Rule Medium Severity -
Login Banner Verbiage
Enter an appropriate login banner for your organization. Please note that new lines must be expressed by the '\n' character and special characters like parentheses and quotation marks must be escap...Value -
MotD Banner Verbiage
Enter an appropriate login banner for your organization. Please note that new lines must be expressed by the '\n' character and special characters like parentheses and quotation marks must be escap...Value -
Remote Login Banner Verbiage
Enter an appropriate login banner for your organization. Please note that new lines must be expressed by the '\n' character and special characters like parentheses and quotation marks must be escap...Value
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.