Skip to content

Guide to the Secure Configuration of Ubuntu 20.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure auditd Collects Information on the Use of Privileged Commands - sudo

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
  • Ensure auditd Collects Information on the Use of Privileged Commands - sudoedit

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
  • Ensure auditd Collects Information on the Use of Privileged Commands - umount

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
  • Ensure auditd Collects Information on the Use of Privileged Commands - unix_chkpwd

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
  • Configure audispd Plugin To Send Logs To Remote Server

    Configure the audispd plugin to off-load audit records onto a different system or media from the system being audited. First, set the <code>active...
    Rule Medium Severity
  • Ensure auditd Collects Information on the Use of Privileged Commands - unix_update

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
  • Ensure auditd Collects Information on the Use of Privileged Commands - usermod

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity
  • Records Events that Modify Date and Time Information

    Arbitrary changes to the system time can be used to obfuscate nefarious activities in log files, as well as to confuse network services that are hi...
    Group
  • Record attempts to alter time through adjtimex

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
  • Record Attempts to Alter Time Through clock_settime

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
  • Record attempts to alter time through settimeofday

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
  • Record Attempts to Alter Time Through stime

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
  • Record Attempts to Alter the localtime File

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...
    Rule Medium Severity
  • Configure auditd Data Retention

    The audit system writes data to <code>/var/log/audit/audit.log</code>. By default, <code>auditd</code> rotates 5 logs by size (6MB), retaining a ma...
    Group
  • Action for audispd to take when disk is full

    The setting for disk_full_action in /etc/audisp/audisp-remote.conf
    Value
  • Action for audispd to take when network fails

    The setting for network_failure_action in /etc/audisp/audisp-remote.conf
    Value
  • Remote server for audispd to send audit records

    The setting for remote_server in /etc/audisp/audisp-remote.conf
    Value
  • Account for auditd to send email when actions occurs

    The setting for action_mail_acct in /etc/audit/auditd.conf
    Value
  • Action for auditd to take when disk space is low

    The setting for admin_space_left_action in /etc/audit/auditd.conf
    Value
  • The percentage remaining in disk space before prompting admin_space_left_action

    The setting for admin_space_left as a percentage in /etc/audit/auditd.conf
    Value

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

Capacity
Modules