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Guide to the Secure Configuration of SUSE Linux Enterprise 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure gnutls-utils is installed

    The gnutls-utils package can be installed with the following command: 
    $ sudo zypper install gnutls-utils
    Rule Medium Severity
    Show

  • Ensure nss-tools is installed

    The nss-tools package can be installed with the following command: 
    $ sudo zypper install nss-tools
    Rule Medium Severity
    Show

  • 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 too...
    Group
    Show

  • Install dnf-automatic Package

    The dnf-automatic package can be installed with the following command: 
    $ sudo zypper install dnf-automatic
    Rule Medium Severity
    Show

  • Ensure zypper Removes Previous Package Versions

    <code>zypper</code> should be configured to remove previous software components after new versions have been installed. To configure <code>zypper</...
    Rule Low Severity
    Show

  • 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...
    Rule Medium Severity
    Show

  • 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> unde...
    Rule Low Severity
    Show

  • Ensure GPG keys are configured

    The operation system or installed application can be successfully bootstrapped without the GPG key being trusted. However, you cannot install new ...
    Rule Medium Severity
    Show

  • Warning Banners for System Accesses

    Each system should expose as little information about itself as possible. <br><br> System banners, which are typically displayed just before a logi...
    Group
    Show

  • fail_deny

    Number of failed login attempts before account lockout
    Value
    Show

  • faillock directory

    The directory where the user files with the failure records are kept
    Value
    Show

  • 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 p...
    Rule High Severity
    Show

  • 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 ve...
    Rule High Severity
    Show

  • Ensure gpgcheck Enabled for All zypper Package Repositories

    To ensure signature checking is not disabled for any repos, remove any lines from files in <code>/etc/yum.repos.d</code> of the form: <pre>gpgcheck...
    Rule High Severity
    Show

  • Ensure package manager repositories are configured

    Systems need to have package manager repositories configured to ensure they receive the latest patches and updates.
    Rule Medium Severity
    Show

  • Ensure SUSE GPG Key Installed

    To ensure the system can cryptographically verify base software packages come from SUSE (and to connect to the SUSE to receive them), the SUSE GPG ...
    Rule High Severity
    Show

  • 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 &a...
    Rule Medium Severity
    Show

  • Enable dnf-automatic Timer

    The dnf-automatic timer can be enabled with the following command: 
    $ sudo systemctl enable dnf-automatic.timer
    Rule Medium Severity
    Show

  • 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...
    Group
    Show

  • Authselect profile

    Specify the authselect profile to select
    Value
    Show

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