Definition of CIS benchmark for SUSE Linux Enterprise 15 for sle15

reload_dconf_db: Reload Dconf database

Description: None

• l1_server
• l1_workstation
• l2_server
• l2_workstation

Automated: yes

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

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

Description: None

• l2_server
• l2_workstation

Automated: yes

• kernel_module_cramfs_disabled: Disable Mounting of cramfs
• 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

1.1.1.3: Ensure mounting of FAT filesystems is limited (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• kernel_module_vfat_disabled: Disable Mounting of vFAT filesystems

1.1.2: Ensure /tmp is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• partition_for_tmp: Ensure /tmp Located On Separate Partition

1.1.3: 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

1.1.4: 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

1.1.5: 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

1.1.6: Ensure /dev/shm is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• partition_for_dev_shm: Ensure /dev/shm is configured

1.1.7: 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: 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

1.1.9: 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

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

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_var: Ensure /var Located On Separate Partition

1.1.11: 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

1.1.12: 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

1.1.13: 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

1.1.14: 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

1.1.15: 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

1.1.16: 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

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

Description: None

• l2_server
• l2_workstation

Automated: yes

• partition_for_home: Ensure /home Located On Separate Partition

1.1.18: 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

1.1.19: Ensure noexec option set on removable media partitions (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_noexec_removable_partitions: Add noexec Option to Removable Media Partitions

1.1.20: Ensure nodev option set on removable media partitions (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_nodev_removable_partitions: Add nodev Option to Removable Media Partitions

1.1.21: Ensure nosuid option set on removable media partitions (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• mount_option_nosuid_removable_partitions: Add nosuid Option to Removable Media Partitions

1.1.22: 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

1.1.23: Disable Automounting (Automated)

Description: None

• l1_server
• l2_workstation

Automated: yes

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

1.2.1: Ensure GPG keys are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• ensure_GPG_keys_are_configured: Ensure GPG keys are configured

1.2.2: Ensure package manager repositories are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• ensure_package_repositories_are_configured: Ensure package manager repositories are configured

1.2.3: Ensure gpgcheck is globally activated (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• ensure_gpgcheck_globally_activated: Ensure gpgcheck Enabled In Main zypper Configuration
• ensure_gpgcheck_never_disabled: Ensure gpgcheck Enabled for All zypper Package Repositories

1.3.1: Ensure sudo is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_sudo_installed: Install sudo Package

1.3.2: 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

1.3.3: Ensure sudo log file exists (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sudo_custom_logfile: Ensure Sudo Logfile Exists - sudo logfile
• var_sudo_logfile = var_log_sudo_log

1.4.1: 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

1.4.2: Ensure filesystem integrity is regularly checked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• aide_periodic_checking_systemd_timer: Configure Systemd Timer Execution of AIDE

1.5.1: Ensure bootloader password is set (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• grub2_password: Set Boot Loader Password in grub2
• grub2_uefi_password: Set the UEFI Boot Loader Password

1.5.2: 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_owner_grub2_cfg: Verify /boot/grub2/grub.cfg User Ownership
• file_permissions_grub2_cfg: Verify /boot/grub2/grub.cfg Permissions

1.5.3: Ensure authentication required for single user mode (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• require_emergency_target_auth: Require Authentication for Emergency Systemd Target
• require_singleuser_auth: Require Authentication for Single User Mode

1.6.1: Ensure core dumps are restricted (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• coredump_disable_backtraces: Disable core dump backtraces
• coredump_disable_storage: Disable storing core dump
• disable_users_coredumps: Disable Core Dumps for All Users
• sysctl_fs_suid_dumpable: Disable Core Dumps for SUID programs

1.6.2: Ensure XD/NX support is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

• bios_enable_execution_restrictions: Enable NX or XD Support in the BIOS
• install_PAE_kernel_on_x86-32: Install PAE Kernel on Supported 32-bit x86 Systems

1.6.3: 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

1.6.4: Ensure prelink is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• disable_prelink: Disable Prelinking

1.7.1.1: Ensure AppArmor is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_pam_apparmor_installed: Install the pam_apparmor Package

1.7.1.2: Ensure AppArmor is enabled in the bootloader configuration (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• apparmor_configured: Ensure AppArmor is Active and Configured

1.7.1.3: Ensure all AppArmor Profiles are in enforce or complain mode (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• all_apparmor_profiles_in_enforce_complain_mode: All AppArmor Profiles are in enforce or complain mode
• var_apparmor_mode = complain

1.7.1.4: Ensure all AppArmor Profiles are enforcing (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• all_apparmor_profiles_enforced: Enforce all AppArmor Profiles

1.8.1.1: 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

1.8.1.2: 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

1.8.1.3: 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

1.8.1.4: 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

1.8.1.5: 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

1.8.1.6: 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

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

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

1.1: 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
• enable_dconf_user_profile: Configure GNOME3 DConf User Profile
• login_banner_text = cis_default
• package_gdm_removed: Remove the GDM Package Group

2.1.1: Ensure xinetd is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_tcp_wrappers_removed: Uninstall tcpd Package
• package_xinetd_removed: Uninstall xinetd Package
• service_xinetd_disabled: Disable xinetd Service

2.2.1.1: Ensure time synchronization is in use (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_chrony_installed: The Chrony package is installed

2.2.1.2: Ensure systemd-timesyncd is configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_timesyncd_configured: Configure Systemd Timesyncd Servers
• service_timesyncd_enabled: Enable systemd_timesyncd Service
• service_timesyncd_root_distance_configured: Configure Systemd Timesyncd Root Distance Servers

2.2.1.3: Ensure chrony is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• chronyd_configure_pool_and_server: Chrony Configure Pool and Server
• chronyd_run_as_chrony_user: Ensure that chronyd is running under chrony user account
• var_multiple_time_pools = suse
• var_multiple_time_servers = suse

2.2.2: Ensure X11 Server components are not installed (Automated)

Description: None

• l1_server

Automated: yes

• package_xorg-x11-server-common_removed: Remove the X Windows Package Group
• xwindows_remove_packages: Disable graphical user interface

2.2.3: Ensure Avahi Server is not installed (Automated)

Description: None

• l1_server
• l2_workstation

Automated: yes

• package_avahi-autoipd_removed: Uninstall avahi-autoipd Server Package
• package_avahi_removed: Uninstall avahi Server Package
• service_avahi-daemon_disabled: Disable Avahi Server Software

2.2.4: Ensure CUPS is not installed (Automated)

Description: None

• l1_server

Automated: yes

• package_cups_removed: Uninstall CUPS Package
• service_cups_disabled: Disable the CUPS Service

2.2.5: Ensure DHCP Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_dhcp_client_removed: Uninstall DHCP Client Package
• package_dhcp_removed: Uninstall DHCP Server Package
• service_dhcpd_disabled: Disable DHCP Service

2.2.6: Ensure LDAP server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_openldap-servers_removed: Uninstall openldap-servers Package

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_nfs-utils_removed: Uninstall nfs-utils Package
• service_nfs_disabled: Disable Network File System (nfs)

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_rpcbind_removed: Uninstall rpcbind Package
• service_rpcbind_disabled: Disable rpcbind Service

2.2.9: Ensure DNS Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_bind_removed: Uninstall bind Package
• service_named_disabled: Disable named Service

2.2.10: Ensure FTP Server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_vsftpd_removed: Uninstall vsftpd Package
• service_vsftpd_disabled: Disable vsftpd Service

2.2.11: Ensure HTTP server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

• package_httpd_removed: Uninstall httpd Package
• service_httpd_disabled: Disable httpd Service

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_dovecot_removed: Uninstall dovecot Package
• service_dovecot_disabled: Disable Dovecot Service

2.2.13: Ensure Samba is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_samba_removed: Uninstall Samba Package
• service_smb_disabled: Disable Samba

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_squid_removed: Uninstall squid Package
• service_squid_disabled: Disable Squid

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_net-snmp_removed: Uninstall net-snmp Package
• service_snmpd_disabled: Disable snmpd Service

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• postfix_network_listening_disabled: Disable Postfix Network Listening
• var_postfix_inet_interfaces = loopback-only

2.2.17: Ensure rsync is not installed or the rsyncd service is masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_rsync_removed: Uninstall rsync Package
• service_rsyncd_disabled: Ensure rsyncd service is disabled

2.2.18: Ensure NIS server is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_ypserv_removed: Uninstall ypserv Package

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_telnet-server_removed: Uninstall telnet-server Package

2.3.1: Ensure NIS Client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_ypbind_removed: Remove NIS Client

2.3.2: Ensure rsh client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_rsh_removed: Uninstall rsh Package

2.3.3: Ensure talk client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_talk_removed: Uninstall talk Package

2.3.4: Ensure telnet client is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_telnet_removed: Remove telnet Clients

2.3.5: 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

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

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.1.1: Disable IPv6 (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• grub2_ipv6_disable_argument: Ensure IPv6 is disabled through kernel boot parameter
• sysctl_net_ipv6_conf_all_disable_ipv6: Disable IPv6 Addressing on All IPv6 Interfaces

3.1.2: Ensure wireless interfaces are disabled (Manual)

Description: None

• l1_server
• l2_workstation

Automated: yes

• wireless_disable_interfaces: Deactivate Wireless Network Interfaces

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: Ensure DCCP is disabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• kernel_module_dccp_disabled: Disable DCCP Support

3.4.2: Ensure SCTP is disabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• kernel_module_sctp_disabled: Disable SCTP Support

3.5.1.1: Ensure FirewallD is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_firewalld_installed: Install firewalld Package

3.5.1.2: Ensure nftables is not installed or stopped and masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_nftables_removed: Uninstall nftables package
• service_nftables_disabled: Verify nftables Service is Disabled

3.5.1.3: Ensure firewalld service is enabled and running (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_firewalld_enabled: Verify firewalld Enabled

3.5.1.4: Ensure default zone is set (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• set_firewalld_default_zone: Set Default firewalld Zone for Incoming Packets

3.5.1.5: Ensure network interfaces are assigned to appropriate zone (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• set_firewalld_appropriate_zone: Ensure network interfaces are assigned to appropriate zone

3.5.1.6: Ensure unnecessary services and ports are not accepted (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• unnecessary_firewalld_services_ports_disabled: Ensure Unnecessary Services and Ports Are Not Accepted

3.5.2.1: Ensure nftables is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• firewalld-backend: Configure Firewalld to Use the Nftables Backend
• package_nftables_installed: Install nftables Package

3.5.2.2: Ensure firewalld is not installed or stopped and masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_firewalld_removed: Uninstall firewalld Package
• service_firewalld_disabled: Verify firewalld service disabled

3.5.2.3: Ensure iptables are flushed (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• ensure_iptables_are_flushed: Ensure iptables are flushed

3.5.2.4: Ensure a table exists (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

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

3.5.2.5: Ensure base chains exist (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• set_nftables_base_chain: Ensure Base Chains Exist for Nftables
• var_nftables_base_chain_hooks = chain_hooks
• var_nftables_base_chain_names = chain_names
• var_nftables_base_chain_policies = chain_policies
• var_nftables_base_chain_priorities = chain_priorities
• var_nftables_base_chain_types = chain_types
• var_nftables_family = inet
• var_nftables_table = filter

3.5.2.6: Ensure loopback traffic is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

• set_nftables_loopback_traffic: Set nftables Configuration for Loopback Traffic

3.5.2.7: Ensure outbound and established connections are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• set_nftables_new_connections: Ensure all outbound and established connections are configured for nftables

3.5.2.8: Ensure default deny firewall policy (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• nftables_ensure_default_deny_policy: Ensure nftables Default Deny Firewall Policy
• var_nftables_master_config_file = sysconfig

3.5.2.9: Ensure nftables service is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_nftables_enabled: Verify nftables Service is Enabled

3.5.2.10: Ensure nftables rules are permanent (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• nftables_rules_permanent: Ensure nftables Rules are Permanent
• var_nftables_master_config_file = sysconfig

3.5.3.1.1: Ensure iptables package is installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_iptables_installed: Install iptables Package
• service_iptables_enabled: Verify iptables Enabled

3.5.3.1.2: Ensure nftables is not installed (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

3.5.3.1.3: Ensure firewalld is not installed or stopped and masked (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_firewalld_removed: Uninstall firewalld Package
• service_firewalld_disabled: Verify firewalld service disabled

3.5.3.2.1: Ensure default deny firewall policy (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

• set_iptables_default_rule: Set Default iptables Policy for Incoming Packets
• set_iptables_default_rule_forward: Set Default iptables Policy for Forwarded Packets

3.5.3.2.2: Ensure loopback traffic is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• set_loopback_traffic: Set configuration for loopback traffic

3.5.3.2.3: Ensure outbound and established connections are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• set_iptables_outbound_n_established: Ensure Outbound and Established Connections are Configured

3.5.3.2.4: Ensure firewall rules exist for all open ports (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

• ensure_firewall_rules_for_open_ports: Ensure firewall rules exist for all open ports

3.5.3.3.1: Ensure IPv6 default deny firewall policy (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

• set_ip6tables_default_rule: Set Default ip6tables Policy for Incoming Packets

3.5.3.3.2: Ensure IPv6 loopback traffic is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• set_ipv6_loopback_traffic: Set configuration for IPv6 loopback traffic

3.5.3.3.3: Ensure IPv6 outbound and established connections are configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

• set_iptables_outbound_n_established: Ensure Outbound and Established Connections are Configured

3.5.3.3.4: Ensure IPv6 firewall rules exist for all open ports (Manual)

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-libs_installed: Ensure the libaudit1 package as a part of audit Subsystem is Installed
• package_audit_installed: Ensure the audit Subsystem is Installed

4.1.1.2: Ensure auditd service is enabled and running (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• service_auditd_enabled: Enable auditd Service

4.1.1.3: 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

4.1.2.1: 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

4.1.2.4: 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

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

Description: None

• l2_server
• l2_workstation

Automated: partially

• audit_rules_time_adjtimex: Record attempts to alter time through adjtimex
• 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

4.1.4: 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

4.1.5: 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

4.1.6: 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

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

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_login_events_faillog: Record Attempts to Alter Logon and Logout Events - faillog
• audit_rules_login_events_lastlog: Record Attempts to Alter Logon and Logout Events - lastlog
• audit_rules_login_events_tallylog: Record Attempts to Alter Logon and Logout Events - tallylog

4.1.8: 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

4.1.9: 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

4.1.10: Ensure unsuccessful unauthorized 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

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

Description: None

• l2_server
• l2_workstation

Automated: no

No rules selected

4.1.12: 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)

4.1.13: 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

4.1.14: 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

4.1.15: Ensure system administrator actions (sudolog) are collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_sudo_log_events: Record Attempts to perform maintenance activities

4.1.16: Ensure kernel module loading and unloading is collected (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_kernel_module_loading: Ensure auditd Collects Information on Kernel Module Loading and Unloading
• audit_rules_kernel_module_loading_delete: Ensure auditd Collects Information on Kernel Module Unloading - delete_module
• audit_rules_kernel_module_loading_init: Ensure auditd Collects Information on Kernel Module Loading - init_module
• audit_rules_privileged_commands_insmod: Ensure auditd Collects Information on the Use of Privileged Commands - insmod
• audit_rules_privileged_commands_modprobe: Ensure auditd Collects Information on the Use of Privileged Commands - modprobe
• audit_rules_privileged_commands_rmmod: Ensure auditd Collects Information on the Use of Privileged Commands - rmmod

4.1.17: Ensure the audit configuration is immutable (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• audit_rules_immutable: Make the auditd Configuration Immutable

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 and running (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• service_rsyslog_enabled: Enable rsyslog Service

4.2.1.3: Ensure rsyslog default file permissions configured (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

4.2.1.4: Ensure logging is configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• rsyslog_logging_configured: Ensure logging is configured

4.2.1.5: Ensure rsyslog is configured to send logs to a remote log host (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

• rsyslog_remote_loghost: Ensure Logs Sent To Remote Host

4.2.1.6: Ensure remote rsyslog messages are only accepted on designated log hosts. (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

4.2.2.1: 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

4.2.2.2: 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

4.2.2.3: 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

4.2.3: Ensure permissions on all logfiles are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

• permissions_local_var_log: Verify permissions of log files

4.2.4: Ensure logrotate is configured (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• ensure_logrotate_activated: Ensure Logrotate Runs Periodically
• package_logrotate_installed: Ensure logrotate is Installed
• timer_logrotate_enabled: Enable logrotate Timer

5.1.1: Ensure cron daemon is enabled and running (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• package_cron_installed: Install the cron service
• service_cron_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_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: partially

• 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: partially

• 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 X11 forwarding is disabled (Automated)

Description: None

• l2_server
• l1_workstation

Automated: yes

• sshd_disable_x11_forwarding: Disable X11 Forwarding

5.2.7: 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

5.2.8: Ensure SSH IgnoreRhosts is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_disable_rhosts: Disable SSH Support for .rhosts Files

5.2.9: Ensure SSH HostbasedAuthentication is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• disable_host_auth: Disable Host-Based Authentication

5.2.10: Ensure SSH root login is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_disable_root_login: Disable SSH Root Login

5.2.11: Ensure SSH PermitEmptyPasswords is disabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_disable_empty_passwords: Disable SSH Access via Empty Passwords

5.2.12: 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

5.2.13: Ensure only strong Ciphers are used (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_approved_ciphers = cis_sle15
• sshd_use_approved_ciphers: Use Only FIPS 140-2 Validated Ciphers
• sshd_use_strong_ciphers: Use Only Strong Ciphers

5.2.14: Ensure only strong MAC algorithms are used (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_approved_macs = cis_sle15
• sshd_strong_macs = cis_sle15
• sshd_use_approved_macs: Use Only FIPS 140-2 Validated MACs
• sshd_use_strong_macs: Use Only Strong MACs

5.2.15: Ensure only strong Key Exchange algorithms are used (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_strong_kex = cis_sle15
• sshd_use_strong_kex: Use Only Strong Key Exchange algorithms

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_idle_timeout_value = 5_minutes
• sshd_set_idle_timeout: Set SSH Client Alive Interval
• sshd_set_keepalive: Set SSH Client Alive Count Max
• var_sshd_set_keepalive = 0

5.2.17: 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

5.2.18: Ensure SSH warning banner is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_enable_warning_banner: Enable SSH Warning Banner

5.2.19: Ensure SSH PAM is enabled (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_enable_pam: Enable PAM

5.2.20: Ensure SSH AllowTcpForwarding is disabled (Automated)

Description: None

• l2_server
• l2_workstation

Automated: yes

• sshd_disable_tcp_forwarding: Disable SSH TCP Forwarding

5.2.21: 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

5.2.22: Ensure SSH MaxSessions is limited (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• sshd_set_max_sessions: Set SSH MaxSessions limit
• var_sshd_max_sessions = 10

5.3.1: Ensure password creation requirements are configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• cracklib_accounts_password_pam_dcredit: Set Password Strength Minimum Digit Characters
• cracklib_accounts_password_pam_lcredit: Set Password Strength Minimum Lowercase Characters
• cracklib_accounts_password_pam_minlen: Set Password Minimum Length
• cracklib_accounts_password_pam_ocredit: Set Password Strength Minimum Special Characters
• cracklib_accounts_password_pam_retry: Set Password Retry Limit
• cracklib_accounts_password_pam_ucredit: Set Password Strength Minimum Uppercase Characters
• var_password_pam_dcredit = 1
• var_password_pam_lcredit = 1
• var_password_pam_minlen = 14
• var_password_pam_ocredit = 1
• var_password_pam_retry = 3
• var_password_pam_ucredit = 1

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_passwords_pam_tally2: Set Deny For Failed Password Attempts
• accounts_passwords_pam_tally2_deny_root: Configure the root Account lock for Failed Password Attempts via pam_tally2
• accounts_passwords_pam_tally2_unlock_time: Set Lockout Time for Failed Password Attempts using pam_tally2
• var_accounts_passwords_pam_tally2_unlock_time = 1800
• var_password_pam_tally2 = 5

5.3.3: Ensure password reuse is limited (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_pam_pwhistory_remember: Limit Password Reuse
• var_password_pam_remember = 5

5.4.1.1: Ensure password hashing algorithm is SHA-512 (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_password_all_shadowed_sha512: Verify All Account Password Hashes are Shadowed with SHA512
• set_password_hashing_algorithm_logindefs: Set Password Hashing Algorithm in /etc/login.defs

5.4.1.2: 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

5.4.1.3: 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

5.4.1.4: 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

5.4.1.5: 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

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

Description: None

• l1_server
• l1_workstation

Automated: partially

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

5.4.2: Ensure system accounts are secured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

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

5.4.3: 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

5.4.4: Ensure default user shell timeout is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

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

5.4.5: Ensure default user umask is configured (Automated)

Description: None

• l1_server
• l1_workstation

Automated: partially

• 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

5.5: Ensure root login is restricted to system console (Manual)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_direct_root_logins: Direct root Logins Not Allowed
• securetty_root_login_console_only: Restrict Virtual Console Root Logins

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

Description: None

• l1_server
• l1_workstation

Automated: partially

• 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

6.1.1: Audit system file permissions (Manual)

Description: None

• l2_server
• l2_workstation

Automated: no

No rules selected

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_etc_gshadow: Verify Group Who Owns gshadow File
• file_groupowner_etc_passwd: Verify Group Who Owns passwd File
• file_owner_etc_gshadow: Verify User Who Owns gshadow File
• file_owner_etc_passwd: Verify User Who Owns passwd File
• file_permissions_etc_gshadow: Verify Permissions on gshadow File
• file_permissions_etc_passwd: Verify Permissions on passwd File

6.1.3: 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

6.1.4: 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

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

Description: None

• l1_server
• l1_workstation

Automated: yes

• file_groupowner_backup_etc_gshadow: Verify Group Who Owns Backup gshadow File
• file_groupowner_backup_etc_passwd: Verify Group Who Owns Backup passwd File
• file_owner_backup_etc_gshadow: Verify User Who Owns Backup gshadow File
• file_owner_backup_etc_passwd: Verify User Who Owns Backup passwd File
• file_permissions_backup_etc_gshadow: Verify Permissions on Backup gshadow File
• file_permissions_backup_etc_passwd: Verify Permissions on Backup passwd 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/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

6.1.8: 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

6.1.9: 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

6.1.10: 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

6.1.11: Audit SUID executables (Manual)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

6.1.12: Audit SGID executables (Manual)

Description: None

• l1_server
• l1_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_legacy_plus_entries_etc_passwd: Ensure there are no legacy + NIS entries in /etc/passwd
• no_legacy_plus_entries_etc_shadow: Ensure there are no legacy + NIS entries in /etc/shadow

6.2.3: 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

6.2.4: 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

6.2.5: Ensure all users' 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

6.2.6: Ensure users' home directories permissions are 750 or more restrictive (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_users_home_files_permissions: All User Files and Directories In The Home Directory Must Have Mode 0750 Or Less Permissive
• file_permissions_home_directories: All Interactive User Home Directories Must Have mode 0750 Or Less Permissive

6.2.7: Ensure users own their home directories (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

6.2.8: Ensure users' dot files are not group or world writable (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

6.2.9: Ensure no users have .forward files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_forward_files: Verify No .forward Files Exist

6.2.10: Ensure no users have .netrc files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• no_netrc_files: Verify No netrc Files Exist

6.2.11: Ensure users' .netrc Files are not group or world accessible (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• accounts_users_netrc_file_permissions: Ensure users' .netrc Files are not group or world accessible

6.2.12: Ensure no users have .rhosts files (Automated)

Description: None

• l1_server
• l1_workstation

Automated: no

No rules selected

6.2.13: 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

6.2.14: 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

6.2.15: 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

6.2.16: 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

6.2.17: 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

6.2.18: Ensure shadow group is empty (Automated)

Description: None

• l1_server
• l1_workstation

Automated: yes

• ensure_shadow_group_empty: Ensure shadow Group is Empty