Definition of CIS Benchmark for Red Hat Enterprise Linux 9 for rhel9

reload_dconf_db: Reload Dconf database

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_db_up_to_date: Make sure that the dconf databases are up-to-date with regards to respective keyfiles

enable_authselect: Enable Authselect

Description: None

• l1_server
• l1_workstation

Automated: yes

• enable_authselect: Enable authselect
• var_authselect_profile = sssd

1.1.1.1: Ensure mounting of squashfs filesystems is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• kernel_module_squashfs_disabled: Disable Mounting of squashfs

1.1.1.2: Ensure mounting of udf filesystems is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• kernel_module_udf_disabled: Disable Mounting of udf

1.1.2.1: Ensure /tmp is a separate partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• partition_for_tmp: Ensure /tmp Located On Separate Partition

1.1.2.2: Ensure nodev option set on /tmp partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_tmp_nodev: Add nodev Option to /tmp

1.1.2.3: Ensure noexec option set on /tmp partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_tmp_noexec: Add noexec Option to /tmp

1.1.2.4: Ensure nosuid option set on /tmp partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_tmp_nosuid: Add nosuid Option to /tmp

1.1.3.1: Ensure separate partition exists for /var (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_var: Ensure /var Located On Separate Partition

1.1.3.2: Ensure nodev option set on /var partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_nodev: Add nodev Option to /var

1.1.3.3: Ensure nosuid option set on /var partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_nosuid: Add nosuid Option to /var

1.1.4.1: Ensure separate partition exists for /var/tmp (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_var_tmp: Ensure /var/tmp Located On Separate Partition

1.1.4.2: Ensure noexec option set on /var/tmp partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_tmp_noexec: Add noexec Option to /var/tmp

1.1.4.3: Ensure nosuid option set on /var/tmp partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_tmp_nosuid: Add nosuid Option to /var/tmp

1.1.4.4: Ensure nodev option set on /var/tmp partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_tmp_nodev: Add nodev Option to /var/tmp

1.1.5.1: Ensure separate partition exists for /var/log (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_var_log: Ensure /var/log Located On Separate Partition

1.1.5.2: Ensure nodev option set on /var/log partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_log_nodev: Add nodev Option to /var/log

1.1.5.3: Ensure noexec option set on /var/log partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_log_noexec: Add noexec Option to /var/log

1.1.5.4: Ensure nosuid option set on /var/log partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_log_nosuid: Add nosuid Option to /var/log

1.1.6.1: Ensure separate partition exists for /var/log/audit (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_var_log_audit: Ensure /var/log/audit Located On Separate Partition

1.1.6.2: Ensure noexec option set on /var/log/audit partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_log_audit_noexec: Add noexec Option to /var/log/audit

1.1.6.3: Ensure nodev option set on /var/log/audit partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_log_audit_nodev: Add nodev Option to /var/log/audit

1.1.6.4: Ensure nosuid option set on /var/log/audit partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_var_log_audit_nosuid: Add nosuid Option to /var/log/audit

1.1.7.1: Ensure separate partition exists for /home (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_home: Ensure /home Located On Separate Partition

1.1.7.2: Ensure nodev option set on /home partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_home_nodev: Add nodev Option to /home

1.1.7.3: Ensure nosuid option set on /home partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_home_nosuid: Add nosuid Option to /home

1.1.8.1: Ensure /dev/shm is a separate partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• partition_for_dev_shm: Ensure /dev/shm is configured

1.1.8.2: Ensure nodev option set on /dev/shm partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_dev_shm_nodev: Add nodev Option to /dev/shm

1.1.8.3: Ensure noexec option set on /dev/shm partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_dev_shm_noexec: Add noexec Option to /dev/shm

1.1.8.4: Ensure nosuid option set on /dev/shm partition (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_dev_shm_nosuid: Add nosuid Option to /dev/shm

1.1.9: Disable USB Storage (Automated)

Description: None

• l1_server
• l2_workstation

Automated: yes

• kernel_module_usb-storage_disabled: Disable Modprobe Loading of USB Storage Driver

1.2.1: Ensure GPG keys are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

1.2.2: Ensure gpgcheck is globally activated (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• ensure_gpgcheck_globally_activated: Ensure gpgcheck Enabled In Main dnf Configuration

1.2.3: Ensure package manager repositories are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

1.2.4: Ensure repo_gpgcheck is globally activated (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

1.3.1: Ensure AIDE is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• aide_build_database: Build and Test AIDE Database
• package_aide_installed: Install AIDE

1.3.2: Ensure filesystem integrity is regularly checked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• aide_periodic_cron_checking: Configure Periodic Execution of AIDE

1.3.3: Ensure cryptographic mechanisms are used to protect the integrity of audit tools (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• aide_check_audit_tools: Configure AIDE to Verify the Audit Tools

1.4.1: Ensure bootloader password is set (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• grub2_password: Set Boot Loader Password in grub2

1.4.2: Ensure permissions on bootloader config are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_grub2_cfg: Verify /boot/grub2/grub.cfg Group Ownership
• file_groupowner_user_cfg: Verify /boot/grub2/user.cfg Group Ownership
• file_owner_grub2_cfg: Verify /boot/grub2/grub.cfg User Ownership
• file_owner_user_cfg: Verify /boot/grub2/user.cfg User Ownership
• file_permissions_grub2_cfg: Verify /boot/grub2/grub.cfg Permissions
• file_permissions_user_cfg: Verify /boot/grub2/user.cfg Permissions

1.5.1: Ensure core dump storage is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• coredump_disable_storage: Disable storing core dump

1.5.2: Ensure core dump backtraces are disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• coredump_disable_backtraces: Disable core dump backtraces

1.5.3: Ensure address space layout randomization (ASLR) is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_kernel_randomize_va_space: Enable Randomized Layout of Virtual Address Space

1.6.1.1: Ensure SELinux is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_libselinux_installed: Install libselinux Package

1.6.1.2: Ensure SELinux is not disabled in bootloader configuration (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• grub2_enable_selinux: Ensure SELinux Not Disabled in /etc/default/grub

1.6.1.3: Ensure SELinux policy is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• selinux_policytype: Configure SELinux Policy
• var_selinux_policy_name = targeted

1.6.1.4: Ensure the SELinux mode is not disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• selinux_not_disabled: Ensure SELinux is Not Disabled

1.6.1.5: Ensure the SELinux mode is enforcing (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• selinux_state: Ensure SELinux State is Enforcing
• var_selinux_state = enforcing

1.6.1.6: Ensure no unconfined services exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• selinux_confinement_of_daemons: Ensure No Daemons are Unconfined by SELinux

1.6.1.7: Ensure SETroubleshoot is not installed (Automated)

Description: None

• l1_server

Automated: yes

• package_setroubleshoot_removed: Uninstall setroubleshoot Package

1.6.1.8: Ensure the MCS Translation Service (mcstrans) is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_mcstrans_removed: Uninstall mcstrans Package

1.7.1: Ensure message of the day is configured properly (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• banner_etc_motd: Modify the System Message of the Day Banner
• motd_banner_text = cis_banners

1.7.2: Ensure local login warning banner is configured properly (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• banner_etc_issue: Modify the System Login Banner
• login_banner_text = cis_banners

1.7.3: Ensure remote login warning banner is configured properly (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• banner_etc_issue_net: Modify the System Login Banner for Remote Connections
• remote_login_banner_text = cis_banners

1.7.4: Ensure permissions on /etc/motd are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_motd: Verify Group Ownership of Message of the Day Banner
• file_owner_etc_motd: Verify ownership of Message of the Day Banner
• file_permissions_etc_motd: Verify permissions on Message of the Day Banner

1.7.5: Ensure permissions on /etc/issue are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_issue: Verify Group Ownership of System Login Banner
• file_owner_etc_issue: Verify ownership of System Login Banner
• file_permissions_etc_issue: Verify permissions on System Login Banner

1.7.6: Ensure permissions on /etc/issue.net are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_issue_net: Verify Group Ownership of System Login Banner for Remote Connections
• file_owner_etc_issue_net: Verify ownership of System Login Banner for Remote Connections
• file_permissions_etc_issue_net: Verify permissions on System Login Banner for Remote Connections

1.8.1: Ensure GNOME Display Manager is removed (Automated)

Description: None

• l2_server

Automated: yes

• package_gdm_removed: Remove the GDM Package Group

1.8.2: Ensure GDM login banner is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_banner_enabled: Enable GNOME3 Login Warning Banner
• dconf_gnome_login_banner_text: Set the GNOME3 Login Warning Banner Text
• login_banner_text = cis_banners

1.8.3: Ensure GDM disable-user-list option is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_disable_user_list: Disable the GNOME3 Login User List

1.8.4: Ensure GDM screen locks when the user is idle (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_screensaver_idle_delay: Set GNOME3 Screensaver Inactivity Timeout
• dconf_gnome_screensaver_lock_delay: Set GNOME3 Screensaver Lock Delay After Activation Period
• inactivity_timeout_value = 15_minutes
• var_screensaver_lock_delay = 5_seconds

1.8.5: Ensure GDM screen locks cannot be overridden (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_screensaver_user_locks: Ensure Users Cannot Change GNOME3 Screensaver Settings
• dconf_gnome_session_idle_user_locks: Ensure Users Cannot Change GNOME3 Session Idle Settings

1.8.6: Ensure GDM automatic mounting of removable media is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_disable_automount: Disable GNOME3 Automounting
• dconf_gnome_disable_automount_open: Disable GNOME3 Automount Opening

1.8.7: Ensure GDM disabling automatic mounting of removable media is not overridden (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_disable_automount: Disable GNOME3 Automounting
• dconf_gnome_disable_automount_open: Disable GNOME3 Automount Opening

1.8.8: Ensure GDM autorun-never is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_disable_autorun: Disable GNOME3 Automount running

1.8.9: Ensure GDM autorun-never is not overridden (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dconf_gnome_disable_autorun: Disable GNOME3 Automount running

1.8.10: Ensure XDMCP is not enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• gnome_gdm_disable_xdmcp: Disable XDMCP in GDM

1.9: Ensure updates, patches, and additional security software are installed (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

1.10: Ensure system-wide crypto policy is not legacy (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• configure_crypto_policy: Configure System Cryptography Policy
• var_system_crypto_policy = default_policy

2.1.1: Ensure time synchronization is in use (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

No rules selected

2.1.2: Ensure chrony is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• chronyd_run_as_chrony_user: Ensure that chronyd is running under chrony user account
• chronyd_specify_remote_server: A remote time server for Chrony is configured
• var_multiple_time_servers = rhel

2.2.1: Ensure xorg-x11-server-common is not installed (Automated)

Description: None

• l2_server

Automated: yes

• package_xorg-x11-server-common_removed: Remove the X Windows Package Group

2.2.2: Ensure Avahi Server is not installed (Automated)

Description: None

• l1_server
• l2_workstation

Automated: yes

• package_avahi_removed: Uninstall avahi Server Package

2.2.3: Ensure CUPS is not installed (Automated)

Description: None

• l1_server

Automated: yes

• package_cups_removed: Uninstall CUPS Package

2.2.4: Ensure DHCP Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_dhcp_removed: Uninstall DHCP Server Package

2.2.5: Ensure DNS Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_bind_removed: Uninstall bind Package

2.2.6: Ensure VSFTP Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_vsftpd_removed: Uninstall vsftpd Package

2.2.7: Ensure TFTP Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_tftp-server_removed: Uninstall tftp-server Package

2.2.8: Ensure a web server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_httpd_removed: Uninstall httpd Package
• package_nginx_removed: Uninstall nginx Package

2.2.9: Ensure IMAP and POP3 server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_cyrus-imapd_removed: Uninstall cyrus-imapd Package
• package_dovecot_removed: Uninstall dovecot Package

2.2.10: Ensure Samba is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_samba_removed: Uninstall Samba Package

2.2.11: Ensure HTTP Proxy Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_squid_removed: Uninstall squid Package

2.2.12: Ensure net-snmp is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_net-snmp_removed: Uninstall net-snmp Package

2.2.13: Ensure telnet-server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_telnet-server_removed: Uninstall telnet-server Package

2.2.14: Ensure dnsmasq is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_dnsmasq_removed: Uninstall dnsmasq Package

2.2.15: Ensure mail transfer agent is configured for local-only mode (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• has_nonlocal_mta: Ensure Mail Transfer Agent is not Listening on any non-loopback Address
• postfix_network_listening_disabled: Disable Postfix Network Listening
• var_postfix_inet_interfaces = loopback-only

2.2.16: Ensure nfs-utils is not installed or the nfs-server service is masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_nfs_disabled: Disable Network File System (nfs)

2.2.17: Ensure rpcbind is not installed or the rpcbind services are masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_rpcbind_disabled: Disable rpcbind Service

2.2.18: Ensure rsync-daemon is not installed or the rsyncd service is masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_rsync_removed: Uninstall rsync Package

2.3.1: Ensure telnet client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_telnet_removed: Remove telnet Clients

2.3.2: Ensure LDAP client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_openldap-clients_removed: Ensure LDAP client is not installed

2.3.3: Ensure TFTP client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_tftp_removed: Remove tftp Daemon

2.3.4: Ensure FTP client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_ftp_removed: Remove ftp Package

2.4: Ensure nonessential services are removed or masked (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.1.1: Ensure IPv6 status is identified (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.1.2: Ensure wireless interfaces are disabled (Automated)

Description: None

• l1_server

Automated: yes

• wireless_disable_interfaces: Deactivate Wireless Network Interfaces

3.1.3: Ensure TIPC is disabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• kernel_module_tipc_disabled: Disable TIPC Support

3.2.1: Ensure IP forwarding is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_ip_forward: Disable Kernel Parameter for IP Forwarding on IPv4 Interfaces
• sysctl_net_ipv6_conf_all_forwarding: Disable Kernel Parameter for IPv6 Forwarding
• sysctl_net_ipv6_conf_all_forwarding_value = disabled

3.2.2: Ensure packet redirect sending is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_conf_all_send_redirects: Disable Kernel Parameter for Sending ICMP Redirects on all IPv4 Interfaces
• sysctl_net_ipv4_conf_default_send_redirects: Disable Kernel Parameter for Sending ICMP Redirects on all IPv4 Interfaces by Default

3.3.1: Ensure source routed packets are not accepted (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_conf_all_accept_source_route: Disable Kernel Parameter for Accepting Source-Routed Packets on all IPv4 Interfaces
• sysctl_net_ipv4_conf_all_accept_source_route_value = disabled
• sysctl_net_ipv4_conf_default_accept_source_route: Disable Kernel Parameter for Accepting Source-Routed Packets on IPv4 Interfaces by Default
• sysctl_net_ipv4_conf_default_accept_source_route_value = disabled
• sysctl_net_ipv6_conf_all_accept_source_route: Disable Kernel Parameter for Accepting Source-Routed Packets on all IPv6 Interfaces
• sysctl_net_ipv6_conf_all_accept_source_route_value = disabled
• sysctl_net_ipv6_conf_default_accept_source_route: Disable Kernel Parameter for Accepting Source-Routed Packets on IPv6 Interfaces by Default
• sysctl_net_ipv6_conf_default_accept_source_route_value = disabled

3.3.2: Ensure ICMP redirects are not accepted (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_conf_all_accept_redirects: Disable Accepting ICMP Redirects for All IPv4 Interfaces
• sysctl_net_ipv4_conf_all_accept_redirects_value = disabled
• sysctl_net_ipv4_conf_default_accept_redirects: Disable Kernel Parameter for Accepting ICMP Redirects by Default on IPv4 Interfaces
• sysctl_net_ipv4_conf_default_accept_redirects_value = disabled
• sysctl_net_ipv6_conf_all_accept_redirects: Disable Accepting ICMP Redirects for All IPv6 Interfaces
• sysctl_net_ipv6_conf_all_accept_redirects_value = disabled
• sysctl_net_ipv6_conf_default_accept_redirects: Disable Kernel Parameter for Accepting ICMP Redirects by Default on IPv6 Interfaces
• sysctl_net_ipv6_conf_default_accept_redirects_value = disabled

3.3.3: Ensure secure ICMP redirects are not accepted (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_conf_all_secure_redirects: Disable Kernel Parameter for Accepting Secure ICMP Redirects on all IPv4 Interfaces
• sysctl_net_ipv4_conf_all_secure_redirects_value = disabled
• sysctl_net_ipv4_conf_default_secure_redirects: Configure Kernel Parameter for Accepting Secure Redirects By Default
• sysctl_net_ipv4_conf_default_secure_redirects_value = disabled

3.3.4: Ensure suspicious packets are logged (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_conf_all_log_martians: Enable Kernel Parameter to Log Martian Packets on all IPv4 Interfaces
• sysctl_net_ipv4_conf_all_log_martians_value = enabled
• sysctl_net_ipv4_conf_default_log_martians: Enable Kernel Paremeter to Log Martian Packets on all IPv4 Interfaces by Default
• sysctl_net_ipv4_conf_default_log_martians_value = enabled

3.3.5: Ensure broadcast ICMP requests are ignored (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_icmp_echo_ignore_broadcasts: Enable Kernel Parameter to Ignore ICMP Broadcast Echo Requests on IPv4 Interfaces
• sysctl_net_ipv4_icmp_echo_ignore_broadcasts_value = enabled

3.3.6: Ensure bogus ICMP responses are ignored (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_icmp_ignore_bogus_error_responses: Enable Kernel Parameter to Ignore Bogus ICMP Error Responses on IPv4 Interfaces
• sysctl_net_ipv4_icmp_ignore_bogus_error_responses_value = enabled

3.3.7: Ensure Reverse Path Filtering is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_conf_all_rp_filter: Enable Kernel Parameter to Use Reverse Path Filtering on all IPv4 Interfaces
• sysctl_net_ipv4_conf_all_rp_filter_value = enabled
• sysctl_net_ipv4_conf_default_rp_filter: Enable Kernel Parameter to Use Reverse Path Filtering on all IPv4 Interfaces by Default
• sysctl_net_ipv4_conf_default_rp_filter_value = enabled

3.3.8: Ensure TCP SYN Cookies is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv4_tcp_syncookies: Enable Kernel Parameter to Use TCP Syncookies on Network Interfaces
• sysctl_net_ipv4_tcp_syncookies_value = enabled

3.3.9: Ensure IPv6 router advertisements are not accepted (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sysctl_net_ipv6_conf_all_accept_ra: Configure Accepting Router Advertisements on All IPv6 Interfaces
• sysctl_net_ipv6_conf_all_accept_ra_value = disabled
• sysctl_net_ipv6_conf_default_accept_ra: Disable Accepting Router Advertisements on all IPv6 Interfaces by Default
• sysctl_net_ipv6_conf_default_accept_ra_value = disabled

3.4.1.1: Ensure nftables is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_nftables_installed: Install nftables Package

3.4.1.2: Ensure a single firewall configuration utility is in use (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_firewalld_installed: Install firewalld Package
• service_firewalld_enabled: Verify firewalld Enabled
• service_nftables_disabled: Verify nftables Service is Disabled

3.4.2.1: Ensure firewalld default zone is set (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• set_firewalld_default_zone: Set Default firewalld Zone for Incoming Packets

3.4.2.2: Ensure at least one nftables table exists (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

• set_nftables_table: Ensure a Table Exists for Nftables
• var_nftables_family = inet
• var_nftables_table = firewalld

3.4.2.3: Ensure nftables base chains exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.4.2.4: Ensure host based firewall loopback traffic is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• firewalld_loopback_traffic_restricted: Configure Firewalld to Restrict Loopback Traffic
• firewalld_loopback_traffic_trusted: Configure Firewalld to Trust Loopback Traffic

3.4.2.5: Ensure firewalld drops unnecessary services and ports (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.4.2.6: Ensure nftables established connections are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.4.2.7: Ensure nftables default deny firewall policy (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.1.1.1: Ensure auditd is installed (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• package_audit_installed: Ensure the audit Subsystem is Installed

4.1.1.2: Ensure auditing for processes that start prior to auditd is enabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• grub2_audit_argument: Enable Auditing for Processes Which Start Prior to the Audit Daemon

4.1.1.3: Ensure audit_backlog_limit is sufficient (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• grub2_audit_backlog_limit_argument: Extend Audit Backlog Limit for the Audit Daemon

4.1.1.4: Ensure auditd service is enabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• service_auditd_enabled: Enable auditd Service

4.1.2.1: Ensure audit log storage size is configured (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• auditd_data_retention_max_log_file: Configure auditd Max Log File Size
• var_auditd_max_log_file = 6

4.1.2.2: Ensure audit logs are not automatically deleted (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• auditd_data_retention_max_log_file_action: Configure auditd max_log_file_action Upon Reaching Maximum Log Size
• var_auditd_max_log_file_action = keep_logs

4.1.2.3: Ensure system is disabled when audit logs are full (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• auditd_data_retention_action_mail_acct: Configure auditd mail_acct Action on Low Disk Space
• auditd_data_retention_admin_space_left_action: Configure auditd admin_space_left Action on Low Disk Space
• auditd_data_retention_space_left_action: Configure auditd space_left Action on Low Disk Space
• var_auditd_action_mail_acct = root
• var_auditd_admin_space_left_action = halt
• var_auditd_space_left_action = email

4.1.3.1: Ensure changes to system administration scope (sudoers) is collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_sysadmin_actions: Ensure auditd Collects System Administrator Actions

4.1.3.2: Ensure actions as another user are always logged (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_suid_auid_privilege_function: Record Events When Executables Are Run As Another User

4.1.3.3: Ensure events that modify the sudo log file are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_sudo_log_events: Record Attempts to perform maintenance activities

4.1.3.4: Ensure events that modify date and time information are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_time_adjtimex: Record attempts to alter time through adjtimex
• audit_rules_time_clock_settime: Record Attempts to Alter Time Through clock_settime
• audit_rules_time_settimeofday: Record attempts to alter time through settimeofday
• audit_rules_time_stime: Record Attempts to Alter Time Through stime
• audit_rules_time_watch_localtime: Record Attempts to Alter the localtime File

4.1.3.5: Ensure events that modify the system's network environment are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_networkconfig_modification: Record Events that Modify the System's Network Environment
• audit_rules_networkconfig_modification_network_scripts: Record Events that Modify the System's Network Environment

4.1.3.6: Ensure use of privileged commands is collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_privileged_commands: Ensure auditd Collects Information on the Use of Privileged Commands

4.1.3.7: Ensure unsuccessful file access attempts are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_unsuccessful_file_modification_creat: Record Unsuccessful Access Attempts to Files - creat
• audit_rules_unsuccessful_file_modification_ftruncate: Record Unsuccessful Access Attempts to Files - ftruncate
• audit_rules_unsuccessful_file_modification_open: Record Unsuccessful Access Attempts to Files - open
• audit_rules_unsuccessful_file_modification_openat: Record Unsuccessful Access Attempts to Files - openat
• audit_rules_unsuccessful_file_modification_truncate: Record Unsuccessful Access Attempts to Files - truncate

4.1.3.8: Ensure events that modify user/group information are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_usergroup_modification_group: Record Events that Modify User/Group Information - /etc/group
• audit_rules_usergroup_modification_gshadow: Record Events that Modify User/Group Information - /etc/gshadow
• audit_rules_usergroup_modification_opasswd: Record Events that Modify User/Group Information - /etc/security/opasswd
• audit_rules_usergroup_modification_passwd: Record Events that Modify User/Group Information - /etc/passwd
• audit_rules_usergroup_modification_shadow: Record Events that Modify User/Group Information - /etc/shadow

4.1.3.9: Ensure discretionary access control permission modification events are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_dac_modification_chmod: Record Events that Modify the System's Discretionary Access Controls - chmod
• audit_rules_dac_modification_chown: Record Events that Modify the System's Discretionary Access Controls - chown
• audit_rules_dac_modification_fchmod: Record Events that Modify the System's Discretionary Access Controls - fchmod
• audit_rules_dac_modification_fchmodat: Record Events that Modify the System's Discretionary Access Controls - fchmodat
• audit_rules_dac_modification_fchown: Record Events that Modify the System's Discretionary Access Controls - fchown
• audit_rules_dac_modification_fchownat: Record Events that Modify the System's Discretionary Access Controls - fchownat
• audit_rules_dac_modification_fremovexattr: Record Events that Modify the System's Discretionary Access Controls - fremovexattr
• audit_rules_dac_modification_fsetxattr: Record Events that Modify the System's Discretionary Access Controls - fsetxattr
• audit_rules_dac_modification_lchown: Record Events that Modify the System's Discretionary Access Controls - lchown
• audit_rules_dac_modification_lremovexattr: Record Events that Modify the System's Discretionary Access Controls - lremovexattr
• audit_rules_dac_modification_lsetxattr: Record Events that Modify the System's Discretionary Access Controls - lsetxattr
• audit_rules_dac_modification_removexattr: Record Events that Modify the System's Discretionary Access Controls - removexattr
• audit_rules_dac_modification_setxattr: Record Events that Modify the System's Discretionary Access Controls - setxattr

4.1.3.10: Ensure successful file system mounts are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

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

4.1.3.11: Ensure session initiation information is collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_session_events: Record Attempts to Alter Process and Session Initiation Information

4.1.3.12: Ensure login and logout events are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_login_events_faillock: Record Attempts to Alter Logon and Logout Events - faillock
• audit_rules_login_events_lastlog: Record Attempts to Alter Logon and Logout Events - lastlog
• var_accounts_passwords_pam_faillock_dir = run

4.1.3.13: Ensure file deletion events by users are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_file_deletion_events_rename: Ensure auditd Collects File Deletion Events by User - rename
• audit_rules_file_deletion_events_renameat: Ensure auditd Collects File Deletion Events by User - renameat
• audit_rules_file_deletion_events_unlink: Ensure auditd Collects File Deletion Events by User - unlink
• audit_rules_file_deletion_events_unlinkat: Ensure auditd Collects File Deletion Events by User - unlinkat

4.1.3.14: Ensure events that modify the system's Mandatory Access Controls are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

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

4.1.3.15: Ensure successful and unsuccessful attempts to use the chcon command are recorded (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_execution_chcon: Record Any Attempts to Run chcon

4.1.3.16: Ensure successful and unsuccessful attempts to use the setfacl command are recorded (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_execution_setfacl: Record Any Attempts to Run setfacl

4.1.3.17: Ensure successful and unsuccessful attempts to use the chacl command are recorded (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_execution_chacl: Record Any Attempts to Run chacl

4.1.3.18: Ensure successful and unsuccessful attempts to use the usermod command are recorded (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_privileged_commands_usermod: Ensure auditd Collects Information on the Use of Privileged Commands - usermod

4.1.3.19: Ensure kernel module loading, unloading and modification is collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_kernel_module_loading_create: Ensure auditd Collects Information on Kernel Module Unloading - create_module
• audit_rules_kernel_module_loading_delete: Ensure auditd Collects Information on Kernel Module Unloading - delete_module
• audit_rules_kernel_module_loading_finit: Ensure auditd Collects Information on Kernel Module Loading and Unloading - finit_module
• audit_rules_kernel_module_loading_init: Ensure auditd Collects Information on Kernel Module Loading - init_module
• audit_rules_kernel_module_loading_query: Ensure auditd Collects Information on Kernel Module Loading and Unloading - query_module
• audit_rules_privileged_commands_kmod: Ensure auditd Collects Information on the Use of Privileged Commands - kmod

4.1.3.20: Ensure the audit configuration is immutable (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_immutable: Make the auditd Configuration Immutable

4.1.3.21: Ensure the running and on disk configuration is the same (Manual)

Description: None

• l2_server
• l2_workstation

Automated: no

No rules selected

4.1.4.1: Ensure audit log files are mode 0640 or less permissive (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_permissions_var_log_audit: System Audit Logs Must Have Mode 0640 or Less Permissive

4.1.4.2: Ensure only authorized users own audit log files (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_ownership_var_log_audit_stig: System Audit Logs Must Be Owned By Root

4.1.4.3: Ensure only authorized groups are assigned ownership of audit log files (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_group_ownership_var_log_audit: System Audit Logs Must Be Group Owned By Root

4.1.4.4: Ensure the audit log directory is 0750 or more restrictive (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• directory_permissions_var_log_audit: System Audit Logs Must Have Mode 0750 or Less Permissive

4.1.4.5: Ensure audit configuration files are 640 or more restrictive (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_permissions_audit_configuration: Audit Configuration Files Permissions are 640 or More Restrictive

4.1.4.6: Ensure audit configuration files are owned by root (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_ownership_audit_configuration: Audit Configuration Files Must Be Owned By Root

4.1.4.7: Ensure audit configuration files belong to group root (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_groupownership_audit_configuration: Audit Configuration Files Must Be Owned By Group root

4.1.4.8: Ensure audit tools are 755 or more restrictive (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_permissions_audit_binaries: Verify that audit tools Have Mode 0755 or less

4.1.4.9: Ensure audit tools are owned by root (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_ownership_audit_binaries: Verify that audit tools are owned by root

4.1.4.10: Ensure audit tools belong to group root (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• file_groupownership_audit_binaries: Verify that audit tools are owned by group root

4.2.1.1: Ensure rsyslog is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_rsyslog_installed: Ensure rsyslog is Installed

4.2.1.2: Ensure rsyslog Service is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_rsyslog_enabled: Enable rsyslog Service

4.2.1.3: Ensure journald is configured to send logs to rsyslog (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• journald_forward_to_syslog: Ensure journald is configured to send logs to rsyslog

4.2.1.4: Ensure rsyslog default file permissions configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• rsyslog_filecreatemode: Ensure rsyslog Default File Permissions Configured

4.2.1.5: Ensure logging is configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.1.6: Ensure rsyslog is configured to send logs to a remote log host (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

No rules selected

4.2.1.7: Ensure rsyslog is not configured to recieve logs from a remote client (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• rsyslog_nolisten: Ensure rsyslog Does Not Accept Remote Messages Unless Acting As Log Server

4.2.2.1.1: Ensure systemd-journal-remote is installed (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.2.1.2: Ensure systemd-journal-remote is configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.2.1.3: Ensure systemd-journal-remote is enabled (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.2.1.4: Ensure journald is not configured to recieve logs from a remote client (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• socket_systemd-journal-remote_disabled: Disable systemd-journal-remote Socket

4.2.2.2: Ensure journald service is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_systemd-journald_enabled: Enable systemd-journald Service

4.2.2.3: Ensure journald is configured to compress large log files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• journald_compress: Ensure journald is configured to compress large log files

4.2.2.4: Ensure journald is configured to write logfiles to persistent disk (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• journald_storage: Ensure journald is configured to write log files to persistent disk

4.2.2.5: Ensure journald is not configured to send logs to rsyslog (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.2.6: Ensure journald log rotation is configured per site policy (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.2.7: Ensure journald default file permissions configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.3: Ensure all logfiles have appropriate permissions and ownership (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• rsyslog_files_groupownership: Ensure Log Files Are Owned By Appropriate Group
• rsyslog_files_ownership: Ensure Log Files Are Owned By Appropriate User
• rsyslog_files_permissions: Ensure System Log Files Have Correct Permissions

4.3: Ensure logrotate is configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

5.1.1: Ensure cron daemon is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_crond_enabled: Enable cron Service

5.1.2: Ensure permissions on /etc/crontab are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_crontab: Verify Group Who Owns Crontab
• file_owner_crontab: Verify Owner on crontab
• file_permissions_crontab: Verify Permissions on crontab

5.1.3: Ensure permissions on /etc/cron.hourly are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_cron_hourly: Verify Group Who Owns cron.hourly
• file_owner_cron_hourly: Verify Owner on cron.hourly
• file_permissions_cron_hourly: Verify Permissions on cron.hourly

5.1.4: Ensure permissions on /etc/cron.daily are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_cron_daily: Verify Group Who Owns cron.daily
• file_owner_cron_daily: Verify Owner on cron.daily
• file_permissions_cron_daily: Verify Permissions on cron.daily

5.1.5: Ensure permissions on /etc/cron.weekly are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_cron_weekly: Verify Group Who Owns cron.weekly
• file_owner_cron_weekly: Verify Owner on cron.weekly
• file_permissions_cron_weekly: Verify Permissions on cron.weekly

5.1.6: Ensure permissions on /etc/cron.monthly are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_cron_monthly: Verify Group Who Owns cron.monthly
• file_owner_cron_monthly: Verify Owner on cron.monthly
• file_permissions_cron_monthly: Verify Permissions on cron.monthly

5.1.7: Ensure permissions on /etc/cron.d are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_cron_d: Verify Group Who Owns cron.d
• file_owner_cron_d: Verify Owner on cron.d
• file_permissions_cron_d: Verify Permissions on cron.d

5.1.8: Ensure cron is restricted to authorized users (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_cron_allow_exists: Ensure that /etc/cron.allow exists
• file_cron_deny_not_exist: Ensure that /etc/cron.deny does not exist
• file_groupowner_cron_allow: Verify Group Who Owns /etc/cron.allow file
• file_owner_cron_allow: Verify User Who Owns /etc/cron.allow file
• file_permissions_cron_allow: Verify Permissions on /etc/cron.allow file

5.1.9: Ensure at is restricted to authorized users (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_at_deny_not_exist: Ensure that /etc/at.deny does not exist
• file_groupowner_at_allow: Verify Group Who Owns /etc/at.allow file
• file_owner_at_allow: Verify User Who Owns /etc/at.allow file
• file_permissions_at_allow: Verify Permissions on /etc/at.allow file

5.2.1: Ensure permissions on /etc/ssh/sshd_config are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_sshd_config: Verify Group Who Owns SSH Server config file
• file_owner_sshd_config: Verify Owner on SSH Server config file
• file_permissions_sshd_config: Verify Permissions on SSH Server config file

5.2.2: Ensure permissions on SSH private host key files are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupownership_sshd_private_key: Verify Group Ownership on SSH Server Private *_key Key Files
• file_ownership_sshd_private_key: Verify Ownership on SSH Server Private *_key Key Files
• file_permissions_sshd_private_key: Verify Permissions on SSH Server Private *_key Key Files

5.2.3: Ensure permissions on SSH public host key files are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupownership_sshd_pub_key: Verify Group Ownership on SSH Server Public *.pub Key Files
• file_ownership_sshd_pub_key: Verify Ownership on SSH Server Public *.pub Key Files
• file_permissions_sshd_pub_key: Verify Permissions on SSH Server Public *.pub Key Files

5.2.4: Ensure SSH access is limited (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_limit_user_access: Limit Users' SSH Access

5.2.5: Ensure SSH LogLevel is appropriate (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_set_loglevel_verbose: Set SSH Daemon LogLevel to VERBOSE

5.2.6: Ensure SSH PAM is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_enable_pam: Enable PAM

5.2.7: Ensure SSH root login is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_disable_root_login: Disable SSH Root Login

5.2.8: Ensure SSH HostbasedAuthentication is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• disable_host_auth: Disable Host-Based Authentication

5.2.9: Ensure SSH PermitEmptyPasswords is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_disable_empty_passwords: Disable SSH Access via Empty Passwords

5.2.10: Ensure SSH PermitUserEnvironment is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_do_not_permit_user_env: Do Not Allow SSH Environment Options

5.2.11: Ensure SSH IgnoreRhosts is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_disable_rhosts: Disable SSH Support for .rhosts Files

5.2.12: Ensure SSH X11 forwarding is disabled (Automated)

Description: None

• l2_server
• l1_workstation

Automated: yes

• sshd_disable_x11_forwarding: Disable X11 Forwarding

5.2.13: Ensure SSH AllowTcpForwarding is disabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• sshd_disable_tcp_forwarding: Disable SSH TCP Forwarding

5.2.14: Ensure system-wide crypto policy is not over-ridden (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• configure_ssh_crypto_policy: Configure SSH to use System Crypto Policy

5.2.15: Ensure SSH warning banner is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_enable_warning_banner_net: Enable SSH Warning Banner

5.2.16: Ensure SSH MaxAuthTries is set to 4 or less (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_max_auth_tries_value = 4
• sshd_set_max_auth_tries: Set SSH authentication attempt limit

5.2.17: Ensure SSH MaxStartups is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_set_maxstartups: Ensure SSH MaxStartups is configured
• var_sshd_set_maxstartups = 10:30:60

5.2.18: Ensure SSH MaxSessions is set to 10 or less (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_set_max_sessions: Set SSH MaxSessions limit
• var_sshd_max_sessions = 10

5.2.19: Ensure SSH LoginGraceTime is set to one minute or less (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_set_login_grace_time: Ensure SSH LoginGraceTime is configured
• var_sshd_set_login_grace_time = 60

5.2.20: Ensure SSH Idle Timeout Interval is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_idle_timeout_value = 15_minutes
• sshd_set_idle_timeout: Set SSH Client Alive Interval
• sshd_set_keepalive: Set SSH Client Alive Count Max
• var_sshd_set_keepalive = 1

5.3.1: Ensure sudo is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_sudo_installed: Install sudo Package

5.3.2: Ensure sudo commands use pty (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sudo_add_use_pty: Ensure Only Users Logged In To Real tty Can Execute Sudo - sudo use_pty

5.3.3: Ensure sudo log file exists (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sudo_custom_logfile: Ensure Sudo Logfile Exists - sudo logfile

5.3.4: Ensure users must provide password for escalation (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• sudo_require_authentication: Ensure Users Re-Authenticate for Privilege Escalation - sudo

5.3.5: Ensure re-authentication for privilege escalation is not disabled globally (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sudo_require_reauthentication: Require Re-Authentication When Using the sudo Command

5.3.6: Ensure sudo authentication timeout is configured correctly (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sudo_require_reauthentication: Require Re-Authentication When Using the sudo Command

5.3.7: Ensure access to the su command is restricted (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• ensure_pam_wheel_group_empty: Ensure the Group Used by pam_wheel.so Module Exists on System and is Empty
• use_pam_wheel_group_for_su: Enforce Usage of pam_wheel with Group Parameter for su Authentication
• var_pam_wheel_group_for_su = cis

5.4.1: Ensure custom authselect profile is used (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• no_empty_passwords: Prevent Login to Accounts With Empty Password

5.4.2: Ensure authselect includes with-faillock (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• account_password_pam_faillock_password_auth: Configure the Use of the pam_faillock.so Module in the /etc/pam.d/password-auth File.
• account_password_pam_faillock_system_auth: Configure the Use of the pam_faillock.so Module in the /etc/pam.d/system-auth File.

5.5.1: Ensure password creation requirements are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_pam_minclass: Ensure PAM Enforces Password Requirements - Minimum Different Categories
• accounts_password_pam_minlen: Ensure PAM Enforces Password Requirements - Minimum Length
• accounts_password_pam_retry: Ensure PAM Enforces Password Requirements - Authentication Retry Prompts Permitted Per-Session
• var_password_pam_minclass = 4
• var_password_pam_minlen = 14

5.5.2: Ensure lockout for failed password attempts is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_passwords_pam_faillock_deny: Lock Accounts After Failed Password Attempts
• accounts_passwords_pam_faillock_unlock_time: Set Lockout Time for Failed Password Attempts
• var_accounts_passwords_pam_faillock_deny = 3
• var_accounts_passwords_pam_faillock_unlock_time = 900

5.5.3: Ensure password reuse is limited (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_pam_pwhistory_remember_password_auth: Limit Password Reuse: password-auth
• accounts_password_pam_pwhistory_remember_system_auth: Limit Password Reuse: system-auth
• var_password_pam_remember = 5
• var_password_pam_remember_control_flag = requisite_or_required

5.5.4: Ensure password hashing algorithm is SHA-512 or yescrypt (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• set_password_hashing_algorithm_logindefs: Set Password Hashing Algorithm in /etc/login.defs
• set_password_hashing_algorithm_passwordauth: Set PAM''s Password Hashing Algorithm - password-auth
• set_password_hashing_algorithm_systemauth: Set PAM''s Password Hashing Algorithm
• var_password_hashing_algorithm = SHA512

5.6.1.1: Ensure password expiration is 365 days or less (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_maximum_age_login_defs: Set Password Maximum Age
• accounts_password_set_max_life_existing: Set Existing Passwords Maximum Age
• var_accounts_maximum_age_login_defs = 365

5.6.1.2: Ensure minimum days between password changes is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_minimum_age_login_defs: Set Password Minimum Age
• accounts_password_set_min_life_existing: Set Existing Passwords Minimum Age
• var_accounts_minimum_age_login_defs = 1

5.6.1.3: Ensure password expiration warning days is 7 or more (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_set_warn_age_existing: Set Existing Passwords Warning Age
• accounts_password_warn_age_login_defs: Set Password Warning Age
• var_accounts_password_warn_age_login_defs = 7

5.6.1.4: Ensure inactive password lock is 30 days or less (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• account_disable_post_pw_expiration: Set Account Expiration Following Inactivity
• accounts_set_post_pw_existing: Set existing passwords a period of inactivity before they been locked
• var_account_disable_post_pw_expiration = 30

5.6.1.5: Ensure all users last password change date is in the past (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_last_change_is_in_past: Ensure all users last password change date is in the past

5.6.2: Ensure system accounts are secured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_password_auth_for_systemaccounts: Ensure that System Accounts Are Locked
• no_shelllogin_for_systemaccounts: Ensure that System Accounts Do Not Run a Shell Upon Login

5.6.3: Ensure default user shell timeout is 900 seconds or less (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_tmout: Set Interactive Session Timeout
• var_accounts_tmout = 15_min

5.6.4: Ensure default group for the root account is GID 0 (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_root_gid_zero: Verify Root Has A Primary GID 0

5.6.5: Ensure default user umask is 027 or more restrictive (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_umask_etc_bashrc: Ensure the Default Bash Umask is Set Correctly
• accounts_umask_etc_login_defs: Ensure the Default Umask is Set Correctly in login.defs
• accounts_umask_etc_profile: Ensure the Default Umask is Set Correctly in /etc/profile
• var_accounts_user_umask = 027

5.6.6: Ensure root password is set (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• ensure_root_password_configured: Ensure Authentication Required for Single User Mode
• no_empty_passwords_etc_shadow: Ensure There Are No Accounts With Blank or Null Passwords

6.1.1: Ensure permissions on /etc/passwd are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_passwd: Verify Group Who Owns passwd File
• file_owner_etc_passwd: Verify User Who Owns passwd File
• file_permissions_etc_passwd: Verify Permissions on passwd File

6.1.2: Ensure permissions on /etc/passwd- are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_backup_etc_passwd: Verify Group Who Owns Backup passwd File
• file_owner_backup_etc_passwd: Verify User Who Owns Backup passwd File
• file_permissions_backup_etc_passwd: Verify Permissions on Backup passwd File

6.1.3: Ensure permissions on /etc/group are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_group: Verify Group Who Owns group File
• file_owner_etc_group: Verify User Who Owns group File
• file_permissions_etc_group: Verify Permissions on group File

6.1.4: Ensure permissions on /etc/group- are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_backup_etc_group: Verify Group Who Owns Backup group File
• file_owner_backup_etc_group: Verify User Who Owns Backup group File
• file_permissions_backup_etc_group: Verify Permissions on Backup group File

6.1.5: Ensure permissions on /etc/shadow are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_shadow: Verify Group Who Owns shadow File
• file_owner_etc_shadow: Verify User Who Owns shadow File
• file_permissions_etc_shadow: Verify Permissions on shadow File

6.1.6: Ensure permissions on /etc/shadow- are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_backup_etc_shadow: Verify User Who Owns Backup shadow File
• file_owner_backup_etc_shadow: Verify Group Who Owns Backup shadow File
• file_permissions_backup_etc_shadow: Verify Permissions on Backup shadow File

6.1.7: Ensure permissions on /etc/gshadow are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_gshadow: Verify Group Who Owns gshadow File
• file_owner_etc_gshadow: Verify User Who Owns gshadow File
• file_permissions_etc_gshadow: Verify Permissions on gshadow File

6.1.8: Ensure permissions on /etc/gshadow- are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_backup_etc_gshadow: Verify Group Who Owns Backup gshadow File
• file_owner_backup_etc_gshadow: Verify User Who Owns Backup gshadow File
• file_permissions_backup_etc_gshadow: Verify Permissions on Backup gshadow File

6.1.9: Ensure no world writable files exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_permissions_unauthorized_world_writable: Ensure No World-Writable Files Exist

6.1.10: Ensure no unowned files or directories exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_files_unowned_by_user: Ensure All Files Are Owned by a User

6.1.11: Ensure no ungrouped files or directories exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_permissions_ungroupowned: Ensure All Files Are Owned by a Group

6.1.12: Ensure sticky bit is set on all world-writable directories (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• dir_perms_world_writable_sticky_bits: Verify that All World-Writable Directories Have Sticky Bits Set

6.1.13: Audit SUID executables (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

6.1.14: Audit SGID executables (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

6.1.15: Audit system file permissions (Manual)

Description: None

• l2_server
• l2_workstation

Automated: no

No rules selected

6.2.1: Ensure accounts in /etc/passwd use shadowed passwords (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_all_shadowed: Verify All Account Password Hashes are Shadowed

6.2.2: Ensure /etc/shadow password fields are not empty (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_empty_passwords_etc_shadow: Ensure There Are No Accounts With Blank or Null Passwords

6.2.3: Ensure all groups in /etc/passwd exist in /etc/group (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• gid_passwd_group_same: All GIDs referenced in /etc/passwd must be defined in /etc/group

6.2.4: Ensure no duplicate UIDs exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• account_unique_id: Ensure All Accounts on the System Have Unique User IDs

6.2.5: Ensure no duplicate GIDs exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• group_unique_id: Ensure All Groups on the System Have Unique Group ID

6.2.6: Ensure no duplicate user names exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• account_unique_name: Ensure All Accounts on the System Have Unique Names

6.2.7: Ensure no duplicate group names exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• group_unique_name: Ensure All Groups on the System Have Unique Group Names

6.2.8: Ensure root PATH Integrity (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_root_path_dirs_no_write: Ensure that Root's Path Does Not Include World or Group-Writable Directories
• root_path_no_dot: Ensure that Root's Path Does Not Include Relative Paths or Null Directories

6.2.9: Ensure root is the only UID 0 account (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_no_uid_except_zero: Verify Only Root Has UID 0

6.2.10: Ensure local interactive user home directories exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_user_interactive_home_directory_exists: All Interactive Users Home Directories Must Exist

6.2.11: Ensure local interactive users own their home directories (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupownership_home_directories: All Interactive User Home Directories Must Be Group-Owned By The Primary Group
• file_ownership_home_directories: All Interactive User Home Directories Must Be Owned By The Primary User

6.2.12: Ensure local interactive user home directories are mode 750 or more restrictive (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_permissions_home_directories: All Interactive User Home Directories Must Have mode 0750 Or Less Permissive

6.2.13: Ensure no local interactive user has .netrc files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_netrc_files: Verify No netrc Files Exist

6.2.14: Ensure no local interactive user has .forward files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_forward_files: Verify No .forward Files Exist

6.2.15: Ensure no local interactive user has .rhosts files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_rsh_trust_files: Remove Rsh Trust Files

6.2.16: Ensure local interactive user dot files are not group or world writable (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_user_dot_no_world_writable_programs: User Initialization Files Must Not Run World-Writable Programs