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Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide (STIG) V1R9

Rules and Groups employed by this XCCDF Profile

  • Enable NX or XD Support in the BIOS

    Reboot the system and enter the BIOS or Setup configuration menu. Navigate the BIOS configuration menu and make sure that the option is enabled. Th...
    Rule Medium Severity
  • Services

    The best protection against vulnerable software is running less software. This section describes how to review the software which Ubuntu 20.04 inst...
    Group
  • APT service configuration

    The apt service manage the package management and update of the whole system. Its configuration need to be properly defined to ensure efficient sec...
    Group
  • Disable unauthenticated repositories in APT configuration

    Unauthenticated repositories should not be used for updates.
    Rule Unknown Severity
  • Base Services

    This section addresses the base services that are installed on a Ubuntu 20.04 default installation which are not covered in other sections. Some of...
    Group
  • Disable KDump Kernel Crash Analyzer (kdump)

    The <code>kdump</code> service provides a kernel crash dump analyzer. It uses the <code>kexec</code> system call to boot a secondary kernel ("captu...
    Rule Medium Severity
  • Deprecated services

    Some deprecated software services impact the overall system security due to their behavior (leak of confidentiality in network exchange, usage as u...
    Group
  • Uninstall the telnet server

    The telnet daemon should be uninstalled.
    Rule High Severity
  • Network Time Protocol

    The Network Time Protocol is used to manage the system clock over a network. Computer clocks are not very accurate, so time will drift unpredictabl...
    Group
  • The Chrony package is installed

    System time should be synchronized between all systems in an environment. This is typically done by establishing an authoritative time server or se...
    Rule Medium Severity

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