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ANSSI-BP-028 (intermediary)

Rules and Groups employed by this XCCDF Profile

  • 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 &amp;&amp; sudo zypper list-patches -g security</pre...
    Rule Medium Severity
  • Enable dnf-automatic Timer

    The dnf-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 Up a Private Namespace in PAM Configuration

    To setup a private namespace add the following line to /etc/pam.d/login:
    session    required     pam_namespace.so
    Rule Low Severity
  • 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

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