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CIS Ubuntu 20.04 Level 2 Server Benchmark

Rules and Groups employed by this XCCDF Profile

  • 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 s...
    Group
  • System and Software Integrity

    System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...
    Group
  • Package "prelink" Must not be Installed

    The prelink package can be removed with the following command:
     $ apt-get remove prelink
    Rule Medium Severity
  • Software Integrity Checking

    Both the AIDE (Advanced Intrusion Detection Environment) software and the RPM package management system provide mechanisms for verifying the integr...
    Group
  • Verify Integrity with AIDE

    AIDE conducts integrity checks by comparing information about files with previously-gathered information. Ideally, the AIDE database is created imm...
    Group
  • Install AIDE

    The aide package can be installed with the following command:
    $ apt-get install aide
    Rule Medium Severity
  • Build and Test AIDE Database

    Run the following command to generate a new database: <pre>$ sudo aideinit</pre> By default, the database will be written to the file <code>/var...
    Rule Medium Severity
  • Configure Periodic Execution of AIDE

    At a minimum, AIDE should be configured to run a weekly scan. To implement a daily execution of AIDE at 4:05am using cron, add the following line t...
    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
  • 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 /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>gdm3</code> package, the system no longer has GNOME installed installed. If X Windows is not installed then the system cann...
    Rule Medium Severity
  • Sudo

    <code>Sudo</code>, which stands for "su 'do'", provides the ability to delegate authority to certain users, groups of users, or system administrato...
    Group
  • Install sudo Package

    The sudo package can be installed with the following command:
    $ apt-get install sudo
    Rule Medium Severity

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