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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Record Any Attempts to Run ssh-agent

    At a minimum, the audit system should collect any execution attempt of the <code>ssh-agent</code> command for all users and root. If the <code>audi...
    Rule Medium Severity
  • Ensure auditd Collects Information on the Use of Privileged Commands - ssh-keysign

    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 - su

    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
  • Action for auditd to take when log files reach their maximum size

    The setting for max_log_file_action in /etc/audit/auditd.conf. The following options are available: <br>ignore - audit daemon does nothing. <br>sys...
    Value
  • Number of log files for auditd to retain

    The setting for num_logs in /etc/audit/auditd.conf
    Value
  • Size remaining in disk space before prompting space_left_action

    The setting for space_left (MB) in /etc/audit/auditd.conf
    Value
  • 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
  • Action for auditd to take when disk space just starts to run low

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

    The setting for space_left as a percentage in /etc/audit/auditd.conf
    Value
  • Verify User Who Owns Backup passwd File

    To properly set the owner of /etc/passwd-, run the command:
    $ sudo chown root /etc/passwd- 
    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 - userhelper

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

    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
  • Configure rsyslogd to Accept Remote Messages If Acting as a Log Server

    By default, <code>rsyslog</code> does not listen over the network for log messages. If needed, modules can be enabled to allow the rsyslog daemon t...
    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

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