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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

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