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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure the Default C Shell Umask is Set Correctly

    To ensure the default umask for users of the C shell is set properly, add or correct the <code>umask</code> setting in <code>/etc/csh.cshrc</code> ...
    Rule Medium Severity
    Show

  • Ensure the Default Umask is Set Correctly in login.defs

    To ensure the default umask controlled by <code>/etc/login.defs</code> is set properly, add or correct the <code>UMASK</code> setting in <code>/etc...
    Rule Medium Severity
    Show

  • Ensure the Default Umask is Set Correctly in /etc/profile

    To ensure the default umask controlled by <code>/etc/profile</code> is set properly, add or correct the <code>umask</code> setting in <code>/etc/pr...
    Rule Medium Severity
    Show

  • Ensure the Default Umask is Set Correctly For Interactive Users

    Remove the UMASK environment variable from all interactive users initialization files.
    Rule Medium Severity
    Show

  • System Accounting with auditd

    The audit service provides substantial capabilities for recording system activities. By default, the service audits about SELinux AVC denials and c...
    Group
    Show

  • Install audispd-plugins Package

    The audispd-plugins package can be installed with the following command: 
    $ sudo yum install audispd-plugins
    Rule Medium Severity
    Show

  • Ensure the default plugins for the audit dispatcher are Installed

    The audit-audispd-plugins package should be installed.
    Rule Medium Severity
    Show

  • Ensure the audit Subsystem is Installed

    The audit package should be installed.
    Rule Medium Severity
    Show

  • Enable auditd Service

    The <code>auditd</code> service is an essential userspace component of the Linux Auditing System, as it is responsible for writing audit records to...
    Rule Medium Severity
    Show

  • Enable Auditing for Processes Which Start Prior to the Audit Daemon

    To ensure all processes can be audited, even those which start prior to the audit daemon, add the argument <code>audit=1</code> to the default GRUB...
    Rule Low Severity
    Show

  • net.ipv6.conf.default.accept_ra_pinfo

    Accept prefix information in router advertisements?
    Value
    Show

  • net.ipv6.conf.default.accept_ra_rtr_pref

    Accept router preference in router advertisements?
    Value
    Show

  • Extend Audit Backlog Limit for the Audit Daemon

    To improve the kernel capacity to queue all log events, even those which occurred prior to the audit daemon, add the argument <code>audit_backlog_l...
    Rule Low Severity
    Show

  • Configure auditd Rules for Comprehensive Auditing

    The <code>auditd</code> program can perform comprehensive monitoring of system activity. This section describes recommended configuration settings ...
    Group
    Show

  • Audit failure mode

    This variable is the setting for the -f option in Audit configuration which sets the failure mode of audit. This option lets you determine how you ...
    Value
    Show

  • Record Events that Modify User/Group Information via open syscall - /etc/group

    The audit system should collect write events to /etc/group file for all users and root. If the <code>auditd</code> daemon is configured to use the ...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open_by_handle_at syscall - /etc/group

    The audit system should collect write events to /etc/group file for all group and root. If the <code>auditd</code> daemon is configured to use the ...
    Rule Medium Severity
    Show

  • Make the auditd Configuration Immutable

    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
    Show

  • Configure Logwatch HostLimit Line

    On a central logserver, you want Logwatch to summarize all syslog entries, including those which did not originate on the logserver itself. The <co...
    Rule Unknown Severity
    Show

  • Record Events that Modify User/Group Information via openat syscall - /etc/group

    The audit system should collect write events to /etc/group file for all users and root. If the <code>auditd</code> daemon is configured to use the ...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open syscall - /etc/gshadow

    The audit system should collect write events to /etc/gshadow file for all users and root. If the <code>auditd</code> daemon is configured to use th...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open_by_handle_at syscall - /etc/gshadow

    The audit system should collect write events to /etc/gshadow file for all users and root. If the <code>auditd</code> daemon is configured to use th...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via openat syscall - /etc/gshadow

    The audit system should collect write events to /etc/gshadow file for all users and root. If the <code>auditd</code> daemon is configured to use th...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open syscall - /etc/passwd

    The audit system should collect write events to /etc/passwd file for all users and root. If the <code>auditd</code> daemon is configured to use the...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open_by_handle_at syscall - /etc/passwd

    The audit system should collect write events to /etc/passwd file for all users and root. If the <code>auditd</code> daemon is configured to use the...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via openat syscall - /etc/passwd

    The audit system should collect write events to /etc/passwd file for all users and root. If the <code>auditd</code> daemon is configured to use the...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open syscall - /etc/shadow

    The audit system should collect write events to /etc/shadow file for all users and root. If the <code>auditd</code> daemon is configured to use the...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via open_by_handle_at syscall - /etc/shadow

    The audit system should collect write events to /etc/shadow file for all users and root. If the <code>auditd</code> daemon is configured to use the...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information via openat syscall - /etc/shadow

    The audit system should collect write events to /etc/shadow file for all users and root. If the <code>auditd</code> daemon is configured to use the...
    Rule Medium Severity
    Show

  • Configure immutable Audit login UIDs

    Configure kernel to prevent modification of login UIDs once they are set. Changing login UIDs while this configuration is enforced requires special...
    Rule Medium Severity
    Show

  • Record Events that Modify the System's Mandatory Access Controls

    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
    Show

  • Record Events that Modify the System's Mandatory Access Controls in usr/share

    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
    Show

  • Ensure auditd Collects Information on Exporting to Media (successful)

    At a minimum, the audit system should collect media exportation events for all users and root. If the <code>auditd</code> daemon is configured to u...
    Rule Medium Severity
    Show

  • Record Events that Modify the System's Network Environment

    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
    Show

  • Record Attempts to Alter Process and Session Initiation Information

    The audit system already collects process information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>auge...
    Rule Medium Severity
    Show

  • net.ipv6.conf.default.accept_ra

    Accept default router advertisements by default?
    Value
    Show

  • net.ipv6.conf.default.accept_redirects

    Toggle ICMP Redirect Acceptance By Default
    Value
    Show

  • Disable vsyscalls in zIPL

    To disable use of virtual syscalls, check that all boot entries in <code>/boot/loader/entries/*.conf</code> have <code>vsyscall=none</code> include...
    Rule Medium Severity
    Show

  • Ensure auditd Collects System Administrator Actions - /etc/sudoers

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

  • Ensure auditd Collects System Administrator Actions - /etc/sudoers.d/

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

  • Record Events When Executables Are Run As Another User

    Verify the system generates an audit record when actions are run as another user. sudo provides users with temporary elevated privileges to perform...
    Rule Medium Severity
    Show

  • Record Events When Privileged Executables Are Run

    Verify the system generates an audit record when privileged functions are executed. If audit is using the "auditctl" tool to load the rules, run t...
    Rule Medium Severity
    Show

  • Ensure auditd Collects System Administrator Actions

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

  • Protect Random-Number Entropy Pool

    The I/O operations of the Linux kernel block layer due to their inherently unpredictable execution times have been traditionally considered as a re...
    Group
    Show

  • Shutdown System When Auditing Failures Occur

    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
    Show

  • Record Events that Modify User/Group Information

    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
    Show

  • Record Events that Modify User/Group Information - /etc/group

    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
    Show

  • Record Events that Modify User/Group Information - /etc/gshadow

    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
    Show

  • Record Events that Modify User/Group Information - /etc/security/opasswd

    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
    Show

  • Record Events that Modify User/Group Information - /etc/passwd

    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
    Show

Node 2

siemur/test-space

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.

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