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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 Access Events to Audit Log Directory

    The audit system should collect access events to read audit log directory. The following audit rule will assure that access to audit log directory ...
    Rule Medium Severity
  • System Audit Directories Must Be Group Owned By Root

    All audit directories must be group owned by root user. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the grou...
    Rule Medium Severity
  • System Audit Directories Must Be Owned By Root

    All audit directories must be owned by root user. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the owner of <...
    Rule Medium Severity
  • System Audit Logs Must Have Mode 0750 or Less Permissive

    If <code>log_group</code> in <code>/etc/audit/auditd.conf</code> is set to a group other than the <code>root</code> group account, change the mode...
    Rule Medium Severity
  • System Audit Logs Must Be Group Owned By Root

    All audit logs must be group owned by root user. The path for audit log can be configured via <code>log_file</code> parameter in <pre>/etc/audit/au...
    Rule Medium Severity
  • Audit Configuration Files Must Be Owned By Group root

    All audit configuration files must be owned by group root.
    chown :root /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*
    Rule Medium Severity
  • Audit Configuration Files Must Be Owned By Root

    All audit configuration files must be owned by root user. To properly set the owner of <code>/etc/audit/</code>, run the command: <pre>$ sudo chow...
    Rule Medium Severity
  • System Audit Logs Must Be Owned By Root

    All audit logs must be owned by root user and group. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the owner o...
    Rule Medium Severity
  • System Audit Logs Must Be Owned By Root

    All audit logs must be owned by root user. The path for audit log can be configured via <code>log_file</code> parameter in <pre>/etc/audit/auditd.c...
    Rule Medium Severity
  • Verify the UEFI Boot Loader grub.cfg Permissions

    File permissions for <code>/boot/grub2/grub.cfg</code> should be set to 700. To properly set the permissions of <code>/boot/grub2/grub.cfg</code>,...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls

    At a minimum, the audit system should collect file permission changes for all users and root. Note that the "-F arch=b32" lines should be present e...
    Group
  • Record Events that Modify the System's Discretionary Access Controls - chmod

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - chown

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - fchmod

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - fchmodat

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - fchown

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - fchownat

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - fremovexattr

    At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - fsetxattr

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    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. Set the <code>remote_server...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - lchown

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - lremovexattr

    At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - lsetxattr

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - removexattr

    At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...
    Rule Medium Severity
  • Resolve information before writing to audit logs

    To configure Audit daemon to resolve all uid, gid, syscall, architecture, and socket address information before writing the events to disk, set <co...
    Rule Low Severity
  • Record Events that Modify the System's Discretionary Access Controls - setxattr

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - umount

    At a minimum, the audit system should collect file system umount changes. If the <code>auditd</code> daemon is configured to use the <code>augenrul...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - umount2

    At a minimum, the audit system should collect file system umount2 changes. If the <code>auditd</code> daemon is configured to use the <code>augenru...
    Rule Medium Severity
  • Record Execution Attempts to Run ACL Privileged Commands

    At a minimum, the audit system should collect the execution of ACL privileged commands for all users and root.
    Group
  • Record Any Attempts to Run chacl

    At a minimum, the audit system should collect any execution attempt of the <code>chacl</code> command for all users and root. If the <code>auditd</...
    Rule Medium Severity
  • Record Any Attempts to Run setfacl

    At a minimum, the audit system should collect any execution attempt of the <code>setfacl</code> command for all users and root. If the <code>auditd...
    Rule Medium Severity
  • Record Any Attempts to Run chcon

    At a minimum, the audit system should collect any execution attempt of the <code>chcon</code> command for all users and root. If the <code>auditd</...
    Rule Medium Severity
  • Record Any Attempts to Run restorecon

    At a minimum, the audit system should collect any execution attempt of the <code>restorecon</code> command for all users and root. If the <code>aud...
    Rule Medium Severity
  • Record Any Attempts to Run semanage

    At a minimum, the audit system should collect any execution attempt of the <code>semanage</code> command for all users and root. If the <code>audit...
    Rule Medium Severity
  • Record Any Attempts to Run setfiles

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

    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
  • Record Any Attempts to Run setsebool

    At a minimum, the audit system should collect any execution attempt of the <code>setsebool</code> command for all users and root. If the <code>audi...
    Rule Medium Severity
  • Record Any Attempts to Run seunshare

    At a minimum, the audit system should collect any execution attempt of the <code>seunshare</code> command for all users and root. If the <code>audi...
    Rule Medium Severity
  • Record File Deletion Events by User

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Group
  • Ensure auditd Collects File Deletion Events by User

    At a minimum the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use th...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - rename

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - renameat

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - rmdir

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - unlink

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - unlinkat

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Record Unauthorized Access Attempts Events to Files (unsuccessful)

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. Note that the "-F arch=b32" lines should be presen...
    Group
  • Appropriate Action Must be Setup When the Internal Audit Event Queue is Full

    The audit system should have an action setup in the event the internal event queue becomes full. To setup an overflow action edit <code>/etc/audit/...
    Rule Medium Severity
  • cron_can_relabel SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Record Successful Permission Changes to Files - chmod

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Successful Ownership Changes to Files - chown

    At a minimum, the audit system should collect file ownership changes for all users and root. If the <code>auditd</code> daemon is configured to use...
    Rule Medium Severity

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