ANSSI-BP-028 (minimal)
Rules and Groups employed by this XCCDF Profile
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System Settings
Contains rules that check correct system settings.Group -
Installing and Maintaining Software
The following sections contain information on security-relevant choices during the initial operating system installation process and the setup of software updates.Group -
Updating Software
The <code>zypper</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>Administrat...Group -
Install dnf-automatic Package
Thednf-automatic
package can be installed with the following command:$ sudo zypper install dnf-automatic
Rule Medium 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 In Main zypper Configuration
The <code>gpgcheck</code> option controls whether RPM packages' signatures are always checked prior to installation. To configure zypper to check package signatures before installing them, ensure t...Rule High Severity -
Ensure gpgcheck Enabled for Local Packages
<code>zypper</code> should be configured to verify the signature(s) of local packages prior to installation. To configure <code>zypper</code> to verify signatures of local packages, set the <code>l...Rule High Severity -
Ensure gpgcheck Enabled for All zypper 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 Software Patches Installed
If the system is configured for online updates, invoking the following command will list available security updates: <pre>$ sudo zypper refresh && sudo zypper list-patches -g security</pre...Rule Medium Severity -
Enable dnf-automatic Timer
Thednf-automatic
timer can be enabled with the following command:$ sudo systemctl enable dnf-automatic.timer
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 -
Protect Accounts by Configuring PAM
PAM, or Pluggable Authentication Modules, is a system which implements modular authentication for Linux programs. PAM provides a flexible and configurable architecture for authentication, and it sh...Group -
Set Lockouts for Failed Password Attempts
The <code>pam_faillock</code> PAM module provides the capability to lock out user accounts after a number of failed login attempts. Its documentation is available in <code>/usr/share/doc/pam-VERSIO...Group -
Limit Password Reuse
Do not allow users to reuse recent passwords. This can be accomplished by using theremember
option for thepam_unix
orpam_pwhistory
PAM modules.Rule Medium Severity -
Set Deny For Failed Password Attempts
The SUSE Linux Enterprise 12 operating system must lock an account after - at most - <xccdf-1.2:sub xmlns:xccdf-1.2="http://checklists.nist.gov/xccdf/1.2" idref="xccdf_org.ssgproject.content_value_...Rule Medium Severity -
Configure the root Account lock for Failed Password Attempts via pam_tally2
This rule configures the system to lock out theroot
account after a number of incorrect login attempts usingpam_tally2.so
.Rule Medium Severity -
Set Lockout Time for Failed Password Attempts using pam_tally2
This rule configures the system to lock out accounts during a specified time period after a number of incorrect login attempts usingpam_tally2.so
.Rule Medium Severity -
Set Password Quality Requirements
The default <code>pam_pwquality</code> PAM module provides strength checking for passwords. It performs a number of checks, such as making sure passwords are not similar to dictionary words, are of...Group -
Set Password Quality Requirements, if using pam_cracklib
The <code>pam_cracklib</code> PAM module can be configured to meet requirements for a variety of policies. <br> <br> For example, to configure <code>pam_cracklib</code> to require at least...Group
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