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Finalising the docs content & syntax

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Signed-off-by: Ionut Pruteanu <ionut.pruteanu@siemens.com>
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Ionut Pruteanu 2024-01-17 20:17:21 +02:00
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defaults/main.yml
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@ -42,7 +42,7 @@ rhel9cis_section6: true
rhel9cis_level_1: true rhel9cis_level_1: true
rhel9cis_level_2: true rhel9cis_level_2: true
## 1.6 SubSection - Mandatory Access Control ## Section 1.6 - Mandatory Access Control
# This variable governs whether SELinux is disabled or not. If SELinux is NOT DISABLED by setting # This variable governs whether SELinux is disabled or not. If SELinux is NOT DISABLED by setting
# 'rhel9cis_selinux_disable' to 'true', the 1.6 subsection will be executed. # 'rhel9cis_selinux_disable' to 'true', the 1.6 subsection will be executed.
rhel9cis_selinux_disable: false rhel9cis_selinux_disable: false
@ -74,6 +74,7 @@ change_requires_reboot: false
#### Basic external goss audit enablement settings #### #### Basic external goss audit enablement settings ####
#### Precise details - per setting can be found at the bottom of this file #### #### Precise details - per setting can be found at the bottom of this file ####
## Audit setup ## Audit setup
# Audits are carried out using Goss. This variable # Audits are carried out using Goss. This variable
# determines whether execution of the role prepares for auditing # determines whether execution of the role prepares for auditing
@ -419,63 +420,70 @@ rhel9cis_rule_6_2_16: true
## Section 1 vars ## Section 1 vars
#### 1.1.2 ## Control 1.1.2
# These settings go into the /etc/fstab file for the /tmp mount settings # If set to `true`, rule will be implemented using the `tmp.mount` systemd-service,
# The value must contain nosuid,nodev,noexec to conform to CIS standards # otherwise fstab configuration will be used.
# rhel9cis_tmp_tmpfs_settings: "defaults,rw,nosuid,nodev,noexec,relatime 0 0" # These /tmp settings will include nosuid,nodev,noexec to conform to CIS standards.
# If set true uses the tmp.mount service else using fstab configuration
rhel9cis_tmp_svc: false rhel9cis_tmp_svc: false
#### 1.1.9 ## Control 1.1.9
rhel9cis_allow_autofs: false rhel9cis_allow_autofs: false
# 1.2.1 ## Control 1.2.1
# This is the login information for your RedHat Subscription # This is the login information for your RedHat Subscription
# DO NOT USE PLAIN TEXT PASSWORDS!!!!! # DO NOT USE PLAIN TEXT PASSWORDS!!!!!
# The intent here is to use a password utility like Ansible Vault here # The intent here is to use a password utility like Ansible Vault here
rhel9cis_rh_sub_user: user rhel9cis_rh_sub_user: user
rhel9cis_rh_sub_password: password # pragma: allowlist secret rhel9cis_rh_sub_password: password # pragma: allowlist secret
# 1.2.2 ## Control 1.2.2
# Do you require rhnsd # Do you require rhnsd
# RedHat Satellite Subscription items # RedHat Satellite Subscription items
rhel9cis_rhnsd_required: false rhel9cis_rhnsd_required: false
# Control 1.2.4 - When installing RHEL from authorized Red Hat source, RHEL will come with default YUM repository. NOT having a default YUM ## Control 1.2.4
# repo('rhel9cis_rhel_default_repo' set as 'false'), in conjunction with 'rhel9cis_rule_enable_repogpg' set as 'True', will enable the tasks # When installing RHEL from authorized Red Hat source, RHEL will come with default YUM repository. NOT having a default YUM
# repo ('rhel9cis_rhel_default_repo' set as 'false'), in conjunction with 'rhel9cis_rule_enable_repogpg' set as 'True', will enable the tasks
# which check the GPG signatures for all the individual YUM repositories. # which check the GPG signatures for all the individual YUM repositories.
rhel9cis_rhel_default_repo: true rhel9cis_rhel_default_repo: true
# Control 1.2.4 - When 'rhel9cis_rule_enable_repogpg' is set to 'true'(in conjunction with 'rhel9cis_rhel_default_repo':'false'), conditions are met for ## Control 1.2.4
# When 'rhel9cis_rule_enable_repogpg' is set to 'true'(in conjunction with 'rhel9cis_rhel_default_repo':'false'), conditions are met for
# enabling the GPG signatures-check for all the individual YUM repositories. If GPG signatures-check is enabled on repositories which do not # enabling the GPG signatures-check for all the individual YUM repositories. If GPG signatures-check is enabled on repositories which do not
# support it(like RedHat), installation of packages will fail. # support it(like RedHat), installation of packages will fail.
rhel9cis_rule_enable_repogpg: true rhel9cis_rule_enable_repogpg: true
# Control 1.4.1 - This variable will store the hashed GRUB bootloader password to be stored in '/boot/grub2/user.cfg' file. The default value ## Control 1.4.1
# This variable will store the hashed GRUB bootloader password to be stored in '/boot/grub2/user.cfg' file. The default value
# must be changed to a value that may be generated with this command 'grub2-mkpasswd-pbkdf2' and must comply with # must be changed to a value that may be generated with this command 'grub2-mkpasswd-pbkdf2' and must comply with
# this format: 'grub.pbkdf2.sha512.<Rounds>.<Salt>.<Checksum>' # this format: 'grub.pbkdf2.sha512.<Rounds>.<Salt>.<Checksum>'
rhel9cis_bootloader_password_hash: 'grub.pbkdf2.sha512.10000.9306A36764A7BEA3BF492D1784396B27F52A71812E9955A58709F94EE70697F9BD5366F36E07DEC41B52279A056E2862A93E42069D7BBB08F5DFC2679CD43812.6C32ADA5449303AD5E67A4C150558592A05381331DE6B33463469A236871FA8E70738C6F9066091D877EF88A213C86825E093117F30E9E1BF158D0DB75E7581B' # pragma: allowlist secret rhel9cis_bootloader_password_hash: 'grub.pbkdf2.sha512.10000.9306A36764A7BEA3BF492D1784396B27F52A71812E9955A58709F94EE70697F9BD5366F36E07DEC41B52279A056E2862A93E42069D7BBB08F5DFC2679CD43812.6C32ADA5449303AD5E67A4C150558592A05381331DE6B33463469A236871FA8E70738C6F9066091D877EF88A213C86825E093117F30E9E1BF158D0DB75E7581B' # pragma: allowlist secret
rhel9cis_bootloader_password: random # pragma: allowlist secret rhel9cis_bootloader_password: random # pragma: allowlist secret
# Control 1.4.1 - This variable governs whether a bootloader password should be set in /boot/grub2/user.cfg file. ## Control 1.4.1
# This variable governs whether a bootloader password should be set in '/boot/grub2/user.cfg' file.
rhel9cis_set_boot_pass: true rhel9cis_set_boot_pass: true
## Controls 1.8.x - Settings for GDM ## Control 1.8.x - Settings for GDM
# This variable specifies the GNOME configuration database file to which configurations are written. # This variable specifies the GNOME configuration database file to which configurations are written.
# (See https://help.gnome.org/admin/system-admin-guide/stable/dconf-keyfiles.html.en) # (See "https://help.gnome.org/admin/system-admin-guide/stable/dconf-keyfiles.html.en")
# The default database is `local` # The default database is 'local'.
rhel9cis_dconf_db_name: local rhel9cis_dconf_db_name: local
# This variable governs the number of seconds of inactivity before the screen goes blank. # This variable governs the number of seconds of inactivity before the screen goes blank.
rhel9cis_screensaver_idle_delay: 900 # Set max value for idle-delay in seconds (between 1 and 900) # Set max value for idle-delay in seconds (between 1 and 900)
rhel9cis_screensaver_idle_delay: 900
# This variable governs the number of seconds the screen remains blank before it is locked. # This variable governs the number of seconds the screen remains blank before it is locked.
rhel9cis_screensaver_lock_delay: 5 # Set max value for lock-delay in seconds (between 0 and 5) # Set max value for lock-delay in seconds (between 0 and 5)
rhel9cis_screensaver_lock_delay: 5
# Control 1.10 - This variable contains the value to be set as the system-wide crypto policy. Rule 1.10 enforces ## Control 1.10
# NOT using 'LEGACY' value(as it is less secure, it just ensures compatibility with legacy systems), therefore # This variable contains the value to be set as the system-wide crypto policy. Current rule enforces NOT USING
# 'LEGACY' value(as it is less secure, it just ensures compatibility with legacy systems), therefore
# possible values for this variable are, as explained by RedHat docs: # possible values for this variable are, as explained by RedHat docs:
# -'DEFAULT': reasonable default policy for today's standards(balances usability and security) # -'DEFAULT': reasonable default policy for today's standards (balances usability and security)
# -'FUTURE': conservative security level that is believed to withstand any near-term future attacks # -'FUTURE': conservative security level that is believed to withstand any near-term future attacks
# -'FIPS': A level that conforms to the FIPS140-2 requirements # -'FIPS': A level that conforms to the FIPS140-2 requirements
rhel9cis_crypto_policy: 'DEFAULT' rhel9cis_crypto_policy: 'DEFAULT'
# Control 1.10 - This variable contains the value of the crypto policy module(combinations of policies and ## Control 1.10
# This variable contains the value of the crypto policy module(combinations of policies and
# sub-policies) to be allowed as default setting. Allowed options are defined in 'vars/main.yml' file, # sub-policies) to be allowed as default setting. Allowed options are defined in 'vars/main.yml' file,
# using 'rhel9cis_allowed_crypto_policies_modules' variable. # using 'rhel9cis_allowed_crypto_policies_modules' variable.
rhel9cis_crypto_policy_module: '' rhel9cis_crypto_policy_module: ''
@ -537,27 +545,29 @@ rhel9cis_aide_cron:
## Control 1.6.1.3|4|5 - SELinux policy settings ## Control 1.6.1.3|4|5 - SELinux policy settings
# This selects type of policy; targeted or mls( multilevel ) # This selects type of policy; targeted or mls( multilevel )
# mls should not be used, since it will disable unconfined policy module # mls should not be used, since it will disable unconfined policy module
# and may prevent some services from running. Requires SELinux not being disabled(by # and may prevent some services from running. Requires SELinux not being disabled (by
# having 'rhel9cis_selinux_disable' var set as 'true'), otherwise setting will be ignored. # having 'rhel9cis_selinux_disable' var set as 'true'), otherwise setting will be ignored.
rhel9cis_selinux_pol: targeted rhel9cis_selinux_pol: targeted
## Control 1.6.1.3|4 - SELinux configured and not disabled ## Control 1.6.1.3|4 - SELinux configured and not disabled
# This variable contains a specific SELinux mode, respectively: # This variable contains a specific SELinux mode, respectively:
# - 'enforcing': SELinux policy IS enforced, therefore denies operations based on SELinux policy # - 'enforcing': SELinux policy IS enforced, therefore denies operations based on SELinux policy
# rules. If system was installed with SELinux, this is enabled by default. # rules. If system was installed with SELinux, this is enabled by default.
# - 'permissive': SELinux policy IS NOT enforced, therefore does NOT deny any operation, only # - 'permissive': SELinux policy IS NOT enforced, therefore does NOT deny any operation, only
# logs AVC(Access Vector Cache) messages. RedHat docs suggest it "can be used # logs AVC(Access Vector Cache) messages. RedHat docs suggest it "can be used
# briefly to check if SELinux is the culprit in preventing your application # briefly to check if SELinux is the culprit in preventing your application
# from working". # from working".
# CIS expects enforcing since permissive allows operations that might compromise the system. # CIS expects enforcing since permissive allows operations that might compromise the system.
# Even though logging still occurs. # Even though logging still occurs.
rhel9cis_selinux_enforce: enforcing rhel9cis_selinux_enforce: enforcing
# Whether or not to run tasks related to auditing/patching the desktop environment # Whether or not to run tasks related to auditing/patching the desktop environment
## 2. Services ## Section 2. Services
### 2.1 Time Synchronization ### 2.1 Time Synchronization
#### 2.1.2 Time Synchronization servers - used in template file chrony.conf.j2
## Control 2.1.2 Time Synchronization servers - used in template file chrony.conf.j2
# The following variable represents a list of time servers used # The following variable represents a list of time servers used
# for configuring chrony, timesyncd, and ntp. # for configuring chrony, timesyncd, and ntp.
# Each list item contains two settings, `name` (the domain name of the server) and synchronization `options`. # Each list item contains two settings, `name` (the domain name of the server) and synchronization `options`.
@ -568,67 +578,70 @@ rhel9cis_time_synchronization_servers:
- 1.pool.ntp.org - 1.pool.ntp.org
- 2.pool.ntp.org - 2.pool.ntp.org
- 3.pool.ntp.org - 3.pool.ntp.org
#### 2.1.2 - Time Synchronization servers ## Control 2.1.2 - Time Synchronization servers
# This variable should contain the default options to be used for every NTP server hostname defined # This variable should contain the default options to be used for every NTP server hostname defined
# within the 'rhel9cis_time_synchronization_servers' var. # within the 'rhel9cis_time_synchronization_servers' var.
rhel9cis_chrony_server_options: "minpoll 8" rhel9cis_chrony_server_options: "minpoll 8"
### 2.2 Special Purposes ### 2.2 Special Purposes
# Service configuration variables (boolean). # Service configuration variables (boolean).
# Set the respective variable to true to keep the service. # Set the respective variable to true to keep the service.
# otherwise the service is stopped and disabled # otherwise the service is stopped and disabled
# This variable governs whether rules dealing with GUI specific packages(and/or their settings) should # This variable governs whether rules dealing with GUI specific packages(and/or their settings) should
# be executed either to: # be executed either to:
# - secure GDM(Control 1.8.2-1.8.10), if GUI is needed('rhel9cis_gui: true') # - secure GDM, if GUI is needed('rhel9cis_gui: true')
# - or remove GDM(Control 1.8.1) and X-Windows-system(2.2.1), if no GUI is needed('rhel9cis_gui: false') # - or remove GDM and X-Windows-system, if no GUI is needed('rhel9cis_gui: false')
rhel9cis_gui: false rhel9cis_gui: false
# Control 2.2.2 - Ensure Avahi Server is not installed ## Control 2.2.2 - Ensure Avahi Server is not installed
# This variable, when set to false, will specify that Avahi Server packages should be uninstalled. # This variable, when set to false, will specify that Avahi Server packages should be uninstalled.
rhel9cis_avahi_server: false rhel9cis_avahi_server: false
# Control 2.2.3 - Ensure CUPS is not installed ## Control 2.2.3 - Ensure CUPS is not installed
# This variable, when set to false, will specify that CUPS(Common UNIX Printing System) package should be uninstalled. # This variable, when set to false, will specify that CUPS(Common UNIX Printing System) package should be uninstalled.
rhel9cis_cups_server: false rhel9cis_cups_server: false
# Control 2.2.4 - Ensure DHCP Server is not installed ## Control 2.2.4 - Ensure DHCP Server is not installed
# This variable, when set to false, will specify that DHCP server package should be uninstalled. # This variable, when set to false, will specify that DHCP server package should be uninstalled.
rhel9cis_dhcp_server: false rhel9cis_dhcp_server: false
# Control 2.2.5 - Ensure DNS Server is not installed ## Control 2.2.5 - Ensure DNS Server is not installed
# This variable, when set to false, will specify that DNS server package should be uninstalled. # This variable, when set to false, will specify that DNS server package should be uninstalled.
rhel9cis_dns_server: false rhel9cis_dns_server: false
# Control 2.2.14 - Ensure dnsmasq is not installed ## Control 2.2.14 - Ensure dnsmasq is not installed
# This variable, when set to false, will specify that dnsmasq package should be uninstalled. # This variable, when set to false, will specify that dnsmasq package should be uninstalled.
rhel9cis_dnsmasq_server: false rhel9cis_dnsmasq_server: false
# Control 2.2.6 - Ensure VSFTP Server is not installed ## Control 2.2.6 - Ensure VSFTP Server is not installed
# This variable, when set to false, will specify that VSFTP server package should be uninstalled. # This variable, when set to false, will specify that VSFTP server package should be uninstalled.
rhel9cis_vsftpd_server: false rhel9cis_vsftpd_server: false
# Control 2.2.7 - Ensure TFTP Server is not installed ## Control 2.2.7 - Ensure TFTP Server is not installed
# This variable, when set to false, will specify that TFTP server package should be uninstalled. # This variable, when set to false, will specify that TFTP server package should be uninstalled.
rhel9cis_tftp_server: false rhel9cis_tftp_server: false
# Control 2.2.8 - Ensure a web server is not installed - HTTPD ## Control 2.2.8 - Ensure a web server is not installed - HTTPD
# This variable, when set to false, will specify that webserver packages(HTTPD) should be uninstalled. # This variable, when set to false, will specify that webserver packages(HTTPD) should be uninstalled.
rhel9cis_httpd_server: false rhel9cis_httpd_server: false
# Control 2.2.8 - Ensure a web server is not installed - NGINX ## Control 2.2.8 - Ensure a web server is not installed - NGINX
# This variable, when set to false, will specify that webserver packages(NGINX) should be uninstalled. # This variable, when set to false, will specify that webserver packages(NGINX) should be uninstalled.
rhel9cis_nginx_server: false rhel9cis_nginx_server: false
# Control 2.2.9 - Ensure IMAP and POP3 server is not installed - dovecot ## Control 2.2.9 - Ensure IMAP and POP3 server is not installed - dovecot
# This variable, when set to false, will specify that IMAP and POP3 servers(dovecot) should be uninstalled. # This variable, when set to false, will specify that IMAP and POP3 servers(dovecot) should be uninstalled.
rhel9cis_dovecot_server: false rhel9cis_dovecot_server: false
# Control 2.2.9 - Ensure IMAP and POP3 server is not installed - cyrus-imapd ## Control 2.2.9 - Ensure IMAP and POP3 server is not installed - cyrus-imapd
# This variable, when set to false, will specify that IMAP and POP3 servers(cyrus-imapd) should be uninstalled. # This variable, when set to false, will specify that IMAP and POP3 servers(cyrus-imapd) should be uninstalled.
rhel9cis_imap_server: false rhel9cis_imap_server: false
# Control 2.2.10 - Ensure Samba is not enabled ## Control 2.2.10 - Ensure Samba is not enabled
# This variable, when set to false, will specify that 'samba' package should be uninstalled. # This variable, when set to false, will specify that 'samba' package should be uninstalled.
rhel9cis_samba_server: false rhel9cis_samba_server: false
# Control 2.2.11 - Ensure HTTP Proxy Server is not installed ## Control 2.2.11 - Ensure HTTP Proxy Server is not installed
# This variable, when set to false, will specify that 'squid' package should be uninstalled. # This variable, when set to false, will specify that 'squid' package should be uninstalled.
rhel9cis_squid_server: false rhel9cis_squid_server: false
# Control 2.2.12 - Ensure net-snmp is not installed ## Control 2.2.12 - Ensure net-snmp is not installed
# This variable, when set to false, will specify that 'net-snmp' package should be uninstalled. # This variable, when set to false, will specify that 'net-snmp' package should be uninstalled.
rhel9cis_snmp_server: false rhel9cis_snmp_server: false
# Control 2.2.13 - Ensure telnet-server is not installed ## Control 2.2.13 - Ensure telnet-server is not installed
# This variable, when set to false, will specify that 'telnet-server' package should be uninstalled. # This variable, when set to false, will specify that 'telnet-server' package should be uninstalled.
rhel9cis_telnet_server: false rhel9cis_telnet_server: false
# Control 2.2.15 - Ensure mail transfer agent is configured for local-only mode ## Control 2.2.15 - Ensure mail transfer agent is configured for local-only mode
# This variable, when system is NOT a mailserver, will configure Postfix to listen only on the loopback interface(the virtual # This variable, when system is NOT a mailserver, will configure Postfix to listen only on the loopback interface(the virtual
# network interface that the server uses to communicate internally. # network interface that the server uses to communicate internally.
rhel9cis_is_mail_server: false rhel9cis_is_mail_server: false
@ -639,15 +652,15 @@ rhel9cis_is_mail_server: false
# Set the respective variable to `true` to keep the # Set the respective variable to `true` to keep the
# client package, otherwise it is uninstalled (false). # client package, otherwise it is uninstalled (false).
# Control 2.2.16 - Ensure nfs-utils is not installed or the nfs-server service is masked" ## Control 2.2.16 - Ensure nfs-utils is not installed or the nfs-server service is masked"
# This variable specifies if the usage of NFS SERVER is needed. The behavior of 2.2.16 will depend on # This variable specifies if the usage of NFS SERVER is needed. Execution of the rule which secures (by uninstalling or masking service)
# the var used in conjunction('rhel9cis_use_nfs_service') with current one, respectively: # NFS(if it's NOT needed) will depend on the var used in conjunction('rhel9cis_use_nfs_service') with current one, respectively:
# - if Server IS NOT needed('false') and: # - if Server IS NOT needed('false') and:
# - Service IS NOT needed('rhel9cis_use_nfs_service: false'): 'nfs-utils' package will be removed # - Service IS NOT needed('rhel9cis_use_nfs_service: false'): 'nfs-utils' package will be removed
# - Service IS needed('rhel9cis_use_nfs_service: true'): impossible to need the service without the server # - Service IS needed('rhel9cis_use_nfs_service: true'): impossible to need the service without the server
# - if Server IS needed('true') and: # - if Server IS needed('true') and:
# - Service IS NOT needed('rhel9cis_use_nfs_service: false'): 'nfs-server' service will be masked # - Service IS NOT needed('rhel9cis_use_nfs_service: false'): 'nfs-server' service will be masked
# - Service IS needed('rhel9cis_use_nfs_service: true'): Rule 2.2.16 will be SKIPPED. # - Service IS needed('rhel9cis_use_nfs_service: true'): Rule will be SKIPPED.
# | Server | Service | Result | # | Server | Service | Result |
# |---------|---------|-----------------------------------------------------------| # |---------|---------|-----------------------------------------------------------|
# | false | false | Remove package | # | false | false | Remove package |
@ -655,24 +668,24 @@ rhel9cis_is_mail_server: false
# | true | false | Mask 'service' | # | true | false | Mask 'service' |
# | true | true | SKIP RULE, BOTH 'service' and 'server' are required | # | true | true | SKIP RULE, BOTH 'service' and 'server' are required |
rhel9cis_use_nfs_server: false rhel9cis_use_nfs_server: false
# Control 2.2.16 - Ensure nfs-utils is not installed or the nfs-server service is masked. ## Control 2.2.16 - Ensure nfs-utils is not installed or the nfs-server service is masked.
# This variable specifies if the usage of NFS SERVICE is needed. If it's: # This variable specifies if the usage of NFS SERVICE is needed. If it's:
# - needed('true'): rule 2.2.16 will not be executed at all # - needed('true'): rule which uninstalls/masks-service WILL NOT be executed at all
# - not needed('false'): rule 2.2.16 will be executed, its behavior being controlled by the var # - not needed('false'): rule which uninstalls/masks-service WILL be executed, its behavior being
# used in conjunction with current one: # controlled by the var used in conjunction with current one:
# - removing 'nfs-utils' package('rhel9cis_use_nfs_server' set to 'false') # - removing 'nfs-utils' package('rhel9cis_use_nfs_server' set to 'false')
# - masking the 'nfs-server' service('rhel9cis_use_nfs_server' set to 'true') # - masking the 'nfs-server' service('rhel9cis_use_nfs_server' set to 'true')
rhel9cis_use_nfs_service: false rhel9cis_use_nfs_service: false
# Control 2.2.17 - Ensure rpcbind is not installed or the rpcbind services are masked ## Control 2.2.17 - Ensure rpcbind is not installed or the rpcbind services are masked
# This variable specifies if the usage of RPC SERVER is needed. The behavior of 2.2.17 will depend on # This variable specifies if the usage of RPC SERVER is needed. Execution of the rule which secures (by uninstalling or masking service)
# the var used in conjunction('rhel9cis_use_rpc_service') with current one, respectively: # RPC(if it's NOT needed) will depend on the var used in conjunction('rhel9cis_use_rpc_service') with current one, respectively:
# - if Server IS NOT needed('false') and: # - if Server IS NOT needed('false') and:
# - Service IS NOT needed('rhel9cis_use_rpc_service: false'): 'rpcbind' package will be removed # - Service IS NOT needed('rhel9cis_use_rpc_service: false'): 'rpcbind' package will be removed
# - Service IS needed('rhel9cis_use_rpc_service: true'): impossible to need the service without the server # - Service IS needed('rhel9cis_use_rpc_service: true'): impossible to need the service without the server
# - if Server IS needed('true') and: # - if Server IS needed('true') and:
# - Service IS NOT needed('rhel9cis_use_rpc_service: false'): 'rpcbind.socket' service will be masked # - Service IS NOT needed('rhel9cis_use_rpc_service: false'): 'rpcbind.socket' service will be masked
# - Service IS needed('rhel9cis_use_rpc_service: true'): Rule 2.2.17 will be SKIPPED. # - Service IS needed('rhel9cis_use_rpc_service: true'): Rule will be SKIPPED.
# | Server | Service | Result | # | Server | Service | Result |
# |---------|---------|-----------------------------------------------------------| # |---------|---------|-----------------------------------------------------------|
# | false | false | Remove package | # | false | false | Remove package |
@ -680,25 +693,24 @@ rhel9cis_use_nfs_service: false
# | true | false | Mask 'service' | # | true | false | Mask 'service' |
# | true | true | SKIP RULE, BOTH 'service' and 'server' are required | # | true | true | SKIP RULE, BOTH 'service' and 'server' are required |
rhel9cis_use_rpc_server: false rhel9cis_use_rpc_server: false
# Control 2.2.17 - Ensure rpcbind is not installed or the rpcbind services are masked ## Control 2.2.17 - Ensure rpcbind is not installed or the rpcbind services are masked
# This variable specifies if the usage of RPC SERVICE is needed. If it's: # This variable specifies if the usage of RPC SERVICE is needed. If it's:
# - needed('true'): rule 2.2.17 will not be executed at all # - needed('true'): rule which uninstalls/masks-service WILL NOT be executed at all
# - not needed('false'): rule 2.2.17 will be executed, its behavior being controlled by the var # - not needed('false'): rule which uninstalls/masks-service WILL be executed, its behavior being controlled by the var
# used in conjunction with current one: # used in conjunction with current one:
# - removing 'rpcbind' package('rhel9cis_use_rpc_server' set to 'false') # - removing 'rpcbind' package('rhel9cis_use_rpc_server' set to 'false')
# - masking the 'rpcbind.socket' service('rhel9cis_use_rpc_server' set to 'true') # - masking the 'rpcbind.socket' service('rhel9cis_use_rpc_server' set to 'true')
rhel9cis_use_rpc_service: false rhel9cis_use_rpc_service: false
## Control 2.2.18 - Ensure rsync service is not enabled
# Control 2.2.18 - Ensure rsync service is not enabled # This variable specifies if the usage of RSYNC SERVER is needed. Execution of the rule which secures (by uninstalling or masking service)
# This variable specifies if the usage of RSYNC SERVER is needed. The behavior of 2.2.18 will depend on # RSYNC(if it's NOT needed) will depend on the var used in conjunction('rhel9cis_use_rsync_service') with current one, respectively:
# the var used in conjunction('rhel9cis_use_rsync_service') with current one, respectively:
# - if Server IS NOT needed('false') and: # - if Server IS NOT needed('false') and:
# - Service IS NOT needed('rhel9cis_use_rsync_service: false'): 'rsync-daemon' package will be removed # - Service IS NOT needed('rhel9cis_use_rsync_service: false'): 'rsync-daemon' package will be removed
# - Service IS needed('rhel9cis_use_rsync_service: true'): impossible to need the service without the server # - Service IS needed('rhel9cis_use_rsync_service: true'): impossible to need the service without the server
# - if Server IS needed('true') and: # - if Server IS needed('true') and:
# - Service IS NOT needed('rhel9cis_use_rsync_service: false'): 'rsyncd' service will be masked # - Service IS NOT needed('rhel9cis_use_rsync_service: false'): 'rsyncd' service will be masked
# - Service IS needed('rhel9cis_use_rsync_service: true'): Rule 2.2.18 will be SKIPPED. # - Service IS needed('rhel9cis_use_rsync_service: true'): Rule will be SKIPPED.
# | Server | Service | Result | # | Server | Service | Result |
# |---------|---------|-----------------------------------------------------------| # |---------|---------|-----------------------------------------------------------|
# | false | false | Remove package | # | false | false | Remove package |
@ -706,51 +718,57 @@ rhel9cis_use_rpc_service: false
# | true | false | Mask 'service' | # | true | false | Mask 'service' |
# | true | true | SKIP RULE, BOTH 'service' and 'server' are required | # | true | true | SKIP RULE, BOTH 'service' and 'server' are required |
rhel9cis_use_rsync_server: false rhel9cis_use_rsync_server: false
# Control 2.2.18 - Ensure rsync service is not enabled ## Control 2.2.18 - Ensure rsync service is not enabled
# This variable specifies if the usage of RSYNC SERVICE is needed. If it's: # This variable specifies if the usage of RSYNC SERVICE is needed. If it's:
# - needed('true'): rule 2.2.18 will not be executed at all # - needed('true'): rule which uninstalls/masks-service WILL NOT be executed at all
# - not needed('false'): rule 2.2.18 will be executed, its behavior being controlled by the var # - not needed('false'): rule which uninstalls/masks-service WILL be executed, its behavior being controlled by the var
# used in conjunction with current one: # used in conjunction with current one:
# - removing 'rsync-daemon' package('rhel9cis_use_rsync_server' set to 'false') # - removing 'rsync-daemon' package('rhel9cis_use_rsync_server' set to 'false')
# - masking the 'rsyncd' service('rhel9cis_use_rsync_server' set to 'true') # - masking the 'rsyncd' service('rhel9cis_use_rsync_server' set to 'true')
rhel9cis_use_rsync_service: false rhel9cis_use_rsync_service: false
#### 2.3 Service clients #### 2.3 Service clients
# Control - 2.3.1 - Ensure telnet client is not installed
## Control - 2.3.1 - Ensure telnet client is not installed
# Set this variable to `true` to keep package `telnet`; otherwise, the package is uninstalled. # Set this variable to `true` to keep package `telnet`; otherwise, the package is uninstalled.
rhel9cis_telnet_required: false rhel9cis_telnet_required: false
# Control - 2.3.2 - Ensure LDAP client is not installed ## Control - 2.3.2 - Ensure LDAP client is not installed
# Set this variable to `true` to keep package `openldap-clients`; otherwise, the package is uninstalled. # Set this variable to `true` to keep package `openldap-clients`; otherwise, the package is uninstalled.
rhel9cis_openldap_clients_required: false rhel9cis_openldap_clients_required: false
# Control - 2.3.3 - Ensure FTP client is not installed ## Control - 2.3.3 - Ensure FTP client is not installed
# Set this variable to `true` to keep package `tftp`; otherwise, the package is uninstalled. # Set this variable to `true` to keep package `tftp`; otherwise, the package is uninstalled.
rhel9cis_tftp_client: false rhel9cis_tftp_client: false
# Control - 2.3.4 - Ensure FTP client is not installed ## Control - 2.3.4 - Ensure FTP client is not installed
# Set this variable to `true` to keep package `ftp`; otherwise, the package is uninstalled. # Set this variable to `true` to keep package `ftp`; otherwise, the package is uninstalled.
rhel9cis_ftp_client: false rhel9cis_ftp_client: false
## Section 3 vars for ## Section 3 vars for
## Sysctl ## Sysctl
# This variable governs if the task which updates sysctl(including sysctl reload) is executed, but current
# default value can be overriden by other tasks(1.5.3, 3.1.1, 3.2.1, 3.2.2, 3.3.1-3.3.9).
# This variable governs if the task which updates sysctl(including sysctl reload) is executed.
# NOTE: The current default value is likely to be overriden by other further tasks(via 'set_fact').
rhel9cis_sysctl_update: false rhel9cis_sysctl_update: false
# This variable governs if the task which flushes the IPv4 routing table is executed(forcing subsequent connections to # This variable governs if the task which flushes the IPv4 routing table is executed(forcing subsequent connections to
# use the new configuration). Current default value can be overriden by other tasks(3.2.1, 3.2.2, 3.3.1-3.3.8). # use the new configuration).
# NOTE: The current default value is likely to be overriden by other further tasks(via 'set_fact').
rhel9cis_flush_ipv4_route: false rhel9cis_flush_ipv4_route: false
# This variable governs if the task which flushes the IPv6 routing table is executed(forcing subsequent connections to # This variable governs if the task which flushes the IPv6 routing table is executed(forcing subsequent connections to
# use the new configuration). Current default value can be overriden by other tasks(3.1.1, 3.2.1, 3.3.1, 3.3.2, 3.3.9). # use the new configuration).
# NOTE: The current default value is likely to be overriden by other further tasks(via 'set_fact').
rhel9cis_flush_ipv6_route: false rhel9cis_flush_ipv6_route: false
### Firewall Service to install and configure - Option is: ### Firewall Service to install and configure - Options are:
# 1) either 'firewalld'(Controls 3.4.1.2, 3.4.2.1, 3.4.2.4) # 1) either 'firewalld'
# 2) or 'nftables'(Controls ) # 2) or 'nftables'
#### Some control allow for services to be removed or masked #### Some control allow for services to be removed or masked
#### The options are under each heading #### The options are under each heading
#### absent = remove the package #### absent = remove the package
#### masked = leave package if installed and mask the service #### masked = leave package if installed and mask the service
rhel9cis_firewall: firewalld rhel9cis_firewall: firewalld
# Control 3.4.2.1 - Ensure firewalld default zone is set ## Control 3.4.2.1 - Ensure firewalld default zone is set
# This variable will set the firewalld default zone(that is used for everything that is not explicitly bound/assigned # This variable will set the firewalld default zone(that is used for everything that is not explicitly bound/assigned
# to another zone): if there is no zone assigned to a connection, interface or source, only the default zone is used. # to another zone): if there is no zone assigned to a connection, interface or source, only the default zone is used.
rhel9cis_default_zone: public rhel9cis_default_zone: public
@ -761,31 +779,28 @@ rhel9cis_firewalld_ports:
protocol: tcp protocol: tcp
## Controls 3.5.2.x - nftables ## Controls 3.5.2.x - nftables
# The default nftables table name is "filter". This variable name will be the one all
# "rhel9cis_nft_tables_tablename" is the name of the table in nftables you want to create.
# nftables configs are applied to.
# options are: inet filter
# Control 3.4.2.2 - Ensure at least one nftables table exists
## Control 3.4.2.2 - Ensure at least one nftables table exists
# This variable governs if a table will be automatically created in nftables. Without a table (no default one), nftables # This variable governs if a table will be automatically created in nftables. Without a table (no default one), nftables
# will not filter network traffic, so if this variable is set to 'false' and no tables exist, an alarm will be triggered! # will not filter network traffic, so if this variable is set to 'false' and no tables exist, an alarm will be triggered!
rhel9cis_nft_tables_autonewtable: true rhel9cis_nft_tables_autonewtable: true
# Controls 3.4.2.{2|3|4|6|7} nftables ## Controls 3.4.2.{2|3|4|6|7} nftables
# This variable stores the name of the table to be used when configuring nftables(creating chains, configuring loopback # This variable stores the name of the table to be used when configuring nftables(creating chains, configuring loopback
# traffic, established connections, default deny). If 'rhel9cis_nft_tables_autonewtable' is set as true, a new table will # traffic, established connections, default deny). If 'rhel9cis_nft_tables_autonewtable' is set as true, a new table will
# be created using as name the value stored by this variable. # be created using as name the value stored by this variable.
rhel9cis_nft_tables_tablename: filter rhel9cis_nft_tables_tablename: filter
# Control 3.4.2.3 - Ensure nftables base chains exist ## Control 3.4.2.3 - Ensure nftables base chains exist
# This variable governs if a nftables base chain(entry point for packets from the networking stack) will be automatically # This variable governs if a nftables base chain(entry point for packets from the networking stack) will be automatically
# created, if needed. Without a chain, a hook for input, forward, and delete, packets that would flow through those # created, if needed. Without a chain, a hook for input, forward, and delete, packets that would flow through those
#chains will not be touched by nftables # chains will not be touched by nftables.
rhel9cis_nft_tables_autochaincreate: true rhel9cis_nft_tables_autochaincreate: true
## Controls: ## Controls:
# - 1.7.1 - Ensure message of the day is configured properly # - 1.7.1 - Ensure message of the day is configured properly
# - 1.7.2 - Ensure local login warning banner is configured properly # - 1.7.2 - Ensure local login warning banner is configured properly
# - 1.7.3 - Ensure remote login warning banner is configured properly # - 1.7.3 - Ensure remote login warning banner is configured properly
# Warning Banner Content (issue, issue.net, motd) # This variable stores the content for the Warning Banner(relevant for issue, issue.net, motd).
rhel9cis_warning_banner: Authorized uses only. All activity may be monitored and reported. rhel9cis_warning_banner: Authorized uses only. All activity may be monitored and reported.
# End Banner # End Banner
@ -797,7 +812,7 @@ rhel9cis_warning_banner: Authorized uses only. All activity may be monitored and
# log files are getting too full and space is getting too low. # log files are getting too full and space is getting too low.
rhel9cis_auditd: rhel9cis_auditd:
# This variable tells the system what action to take when the system has detected # This variable tells the system what action to take when the system has detected
#that it is starting to get low on disk space. Options are the same as for `admin_space_left_action` # that it is starting to get low on disk space. Options are the same as for `admin_space_left_action`.
space_left_action: email space_left_action: email
# This variable should contain a valid email address or alias(default value is root), # This variable should contain a valid email address or alias(default value is root),
# which will be used to send a warning when configured action is 'email'. # which will be used to send a warning when configured action is 'email'.
@ -837,11 +852,9 @@ rhel9cis_audit_back_log_limit: 8192
# This should be set based on your sites policy. CIS does not provide a specific value. # This should be set based on your sites policy. CIS does not provide a specific value.
rhel9cis_max_log_file_size: 10 rhel9cis_max_log_file_size: 10
## 4.1.3.x - Audit template ## Control 4.1.3.x - Audit template
# This variable is set to true by tasks 4.1.3.1 to 4.1.3.20. As a result, the # This variable governs if the auditd logic should be executed(if value is true).
# audit settings are overwritten with the role's template. In order to exclude # NOTE: The current default value is likely to be overriden(via 'set_fact') by other further tasks(in sub-section 'Auditd rules').
# specific rules, you must set the variable of form `rhel9cis_rule_4_1_3_x` above
# to `false`.
update_audit_template: false update_audit_template: false
## Advanced option found in auditd post ## Advanced option found in auditd post
@ -857,12 +870,12 @@ rhel9cis_auditd_uid_exclude:
# '/etc/audit/auditd.conf' file) can be stored within current variable. # '/etc/audit/auditd.conf' file) can be stored within current variable.
rhel9cis_auditd_extra_conf: {} rhel9cis_auditd_extra_conf: {}
# Example: # Example:
# rhel9cis_auditd_extra_conf: #rhel9cis_auditd_extra_conf:
# admin_space_left: '10%' # admin_space_left: '10%'
## Whether rsyslog or journald preferred method for local logging ## Whether rsyslog or journald preferred method for local logging
## 4.2.1 | Configure rsyslog ## Control 4.2.1 | Configure rsyslog
## 4.2.2 | Configure journald ## Control 4.2.2 | Configure journald
# This variable governs which logging service should be used, choosing between 'rsyslog'(CIS recommendation) # This variable governs which logging service should be used, choosing between 'rsyslog'(CIS recommendation)
# or 'journald'(only one is implemented) will trigger the execution of the associated subsection, as the-best # or 'journald'(only one is implemented) will trigger the execution of the associated subsection, as the-best
# practices are written wholly independent of each other. # practices are written wholly independent of each other.
@ -872,93 +885,92 @@ rhel9cis_syslog: rsyslog
# in /etc/rsyslog.conf file, namely mail, news and misc(warn, messages) # in /etc/rsyslog.conf file, namely mail, news and misc(warn, messages)
rhel9cis_rsyslog_ansiblemanaged: true rhel9cis_rsyslog_ansiblemanaged: true
#### Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host ## Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host
# This variable governs if 'rsyslog' service should be automatically configured to forward messages to a # This variable governs if 'rsyslog' service should be automatically configured to forward messages to a
# remote log server. If set to 'false', the configuration of the 'omfwd' plugin, used to provide forwarding # remote log server. If set to 'false', the configuration of the 'omfwd' plugin, used to provide forwarding
# over UDP or TCP, will not be performed. # over UDP or TCP, will not be performed.
rhel9cis_remote_log_server: false rhel9cis_remote_log_server: false
#### Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host ## Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host
# This variable configures the value of the 'target' parameter to be configured when enabling # This variable configures the value of the 'target' parameter to be configured when enabling
# forwarding syslog messages to a remote log server, thus configuring the actual FQDN/IP address of the # forwarding syslog messages to a remote log server, thus configuring the actual FQDN/IP address of the
# destination server. For this value to be reflected in the configuration, the variable which enables the # destination server. For this value to be reflected in the configuration, the variable which enables the
# automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true'). # automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true').
rhel9cis_remote_log_host: logagg.example.com rhel9cis_remote_log_host: logagg.example.com
#### Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host ## Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host
# This variable configures the value of the 'port' parameter to be configured when enabling # This variable configures the value of the 'port' parameter to be configured when enabling
# forwarding syslog messages to a remote log server. The default value for this destination port is 514. # forwarding syslog messages to a remote log server. The default value for this destination port is 514.
# For this value to be reflected in the configuration, the variable which enables the # For this value to be reflected in the configuration, the variable which enables the
# automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true'). # automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true').
rhel9cis_remote_log_port: 514 rhel9cis_remote_log_port: 514
#### Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host ## Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host
# This variable configures the value("TCP"/"UDP") of the 'protocol' parameter to be configured when enabling # This variable configures the value("TCP"/"UDP") of the 'protocol' parameter to be configured when enabling
# forwarding syslog messages to a remote log server. The default value for the 'omfwd' plug-in is UDP. # forwarding syslog messages to a remote log server. The default value for the 'omfwd' plug-in is UDP.
# For this value to be reflected in the configuration, the variable which enables the # For this value to be reflected in the configuration, the variable which enables the
# automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true'). # automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true').
rhel9cis_remote_log_protocol: tcp rhel9cis_remote_log_protocol: tcp
#### Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host ## Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host
# This variable governs how often an action is retried(value is passed to 'action.resumeRetryCount' parameter) before # This variable governs how often an action is retried(value is passed to 'action.resumeRetryCount' parameter) before
# it is considered to have failed(that roughly translates to discarded messages). The default value is 0, but # it is considered to have failed(that roughly translates to discarded messages). The default value is 0, but
# when set to "-1"(eternal), this setting would prevent rsyslog from dropping messages when retrying to connect # when set to "-1"(eternal), this setting would prevent rsyslog from dropping messages when retrying to connect
# if server is not responding. For this value to be reflected in the configuration, the variable which enables the # if server is not responding. For this value to be reflected in the configuration, the variable which enables the
# automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true'). # automatic configuration of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true').
rhel9cis_remote_log_retrycount: 100 rhel9cis_remote_log_retrycount: 100
#### Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host ## Control 4.2.1.6 - Ensure rsyslog is configured to send logs to a remote log host
# This variable configures the maximum number of messages that can be hold(value is passed to 'queue.size' parameter). # This variable configures the maximum number of messages that can be hold(value is passed to 'queue.size' parameter).
# For this value to be reflected in the configuration, the variable which enables the automatic configuration # For this value to be reflected in the configuration, the variable which enables the automatic configuration
# of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true'). # of rsyslog forwarding must be enabled('rhel9cis_remote_log_server: true').
rhel9cis_remote_log_queuesize: 1000 rhel9cis_remote_log_queuesize: 1000
#### Control 4.2.1.7 - Ensure rsyslog is not configured to receive logs from a remote client ## Control 4.2.1.7 - Ensure rsyslog is not configured to receive logs from a remote client
# This variable expresses whether the system is used as a log server or not. If set to: # This variable expresses whether the system is used as a log server or not. If set to:
# - 'false', current system will act as a log CLIENT, thus it should NOT receive data from other hosts. # - 'false', current system will act as a log CLIENT, thus it should NOT receive data from other hosts.
# - 'true', current system will act as a log SERVER, enabling centralised log management(by protecting log integrity # - 'true', current system will act as a log SERVER, enabling centralised log management(by protecting log integrity
# from local attacks on remote clients) # from local attacks on remote clients)
rhel9cis_system_is_log_server: false rhel9cis_system_is_log_server: false
#### Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured ## Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured
# 'rhel9cis_journal_upload_url' is the ip address to upload the journal entries to # 'rhel9cis_journal_upload_url' is the ip address to upload the journal entries to
# URL value may specify either just the hostname or both the protocol and hostname. 'https' is the default. The port # URL value may specify either just the hostname or both the protocol and hostname. 'https' is the default. The port
# number may be specified after a colon (":"), otherwise 19532 will be used by default. # number may be specified after a colon (":"), otherwise 19532 will be used by default.
rhel9cis_journal_upload_url: 192.168.50.42 rhel9cis_journal_upload_url: 192.168.50.42
## The paths below have the default paths/files, but allow user to create custom paths/filenames ## The paths below have the default paths/files, but allow user to create custom paths/filenames
#### Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured ## Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured
# This variable specifies the path to the private key file used by the remote journal # This variable specifies the path to the private key file used by the remote journal
# server to authenticate itself to the client. This key is used alongside the server's # server to authenticate itself to the client. This key is used alongside the server's
# public certificate to establish secure communication. # public certificate to establish secure communication.
rhel9cis_journal_upload_serverkeyfile: "/etc/ssl/private/journal-upload.pem" rhel9cis_journal_upload_serverkeyfile: "/etc/ssl/private/journal-upload.pem"
#### Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured ## Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured
# This variable specifies the path to the public certificate file of the remote journal # This variable specifies the path to the public certificate file of the remote journal
# server. This certificate is used to verify the authenticity of the remote server. # server. This certificate is used to verify the authenticity of the remote server.
rhel9cis_journal_servercertificatefile: "/etc/ssl/certs/journal-upload.pem" rhel9cis_journal_servercertificatefile: "/etc/ssl/certs/journal-upload.pem"
#### Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured ## Control 4.2.2.1.2 - Ensure systemd-journal-remote is configured
# This variable specifies the path to a file containing one or more public certificates # This variable specifies the path to a file containing one or more public certificates
# of certificate authorities (CAs) that the client trusts. These trusted certificates are used # of certificate authorities (CAs) that the client trusts. These trusted certificates are used
# to validate the authenticity of the remote server's certificate. # to validate the authenticity of the remote server's certificate.
rhel9cis_journal_trustedcertificatefile: "/etc/ssl/ca/trusted.pem" rhel9cis_journal_trustedcertificatefile: "/etc/ssl/ca/trusted.pem"
# Control 4.2.2.6 - Ensure journald log rotation is configured per site policy
# The variables below related to journald, please set these to your site specific values # The variables below related to journald, please set these to your site specific values
# These variable specifies how much disk space the journal may use up at most # These variable specifies how much disk space the journal may use up at most
# Specify values in bytes or use K, M, G, T, P, E as units for the specified sizes. # Specify values in bytes or use K, M, G, T, P, E as units for the specified sizes.
# See https://www.freedesktop.org/software/systemd/man/journald.conf.html for more information. # See https://www.freedesktop.org/software/systemd/man/journald.conf.html for more information.
# ATTENTION: Uncomment the keyword below when values are set! # ATTENTION: Uncomment the keyword below when values are set!
# Control 4.2.2.6 - Ensure journald log rotation is configured per site policy ## Control 4.2.2.6 - Ensure journald log rotation is configured per site policy
# rhel9cis_journald_systemmaxuse is the max amount of disk space the logs will use # 'rhel9cis_journald_systemmaxuse' is the max amount of disk space the logs will use
rhel9cis_journald_systemmaxuse: 10M rhel9cis_journald_systemmaxuse: 10M
# Control 4.2.2.6 - Ensure journald log rotation is configured per site policy ## Control 4.2.2.6 - Ensure journald log rotation is configured per site policy
# rhel9cis_journald_systemkeepfree is the amount of disk space to keep free # 'rhel9cis_journald_systemkeepfree' is the amount of disk space to keep free
rhel9cis_journald_systemkeepfree: 100G rhel9cis_journald_systemkeepfree: 100G
# Control 4.2.2.6 - Ensure journald log rotation is configured per site policy ## Control 4.2.2.6 - Ensure journald log rotation is configured per site policy
# rhel9cis_journald_runtimemaxuse control how much disk space the journal may use up at most. # 'rhel9cis_journald_runtimemaxuse' control how much disk space the journal may use up at most.
# same as rhel9cis_journald_systemmaxuse. # same as 'rhel9cis_journald_systemmaxuse'.
rhel9cis_journald_runtimemaxuse: 10M rhel9cis_journald_runtimemaxuse: 10M
# Control 4.2.2.6 - Ensure journald log rotation is configured per site policy ## Control 4.2.2.6 - Ensure journald log rotation is configured per site policy
# rhel9cis_journald_runtimekeepfree is the amount of disk space to keep free # 'rhel9cis_journald_runtimekeepfree' is the amount of disk space to keep free
# same as rhel9cis_journald_systemkeepfree, but related to runtime space. # same as 'rhel9cis_journald_systemkeepfree', but related to runtime space.
rhel9cis_journald_runtimekeepfree: 100G rhel9cis_journald_runtimekeepfree: 100G
# Control 4.2.2.6 - Ensure journald log rotation is configured per site policy ## Control 4.2.2.6 - Ensure journald log rotation is configured per site policy
# rhel9cis_journald_MaxFileSec is how long in time to keep log files. # 'rhel9cis_journald_MaxFileSec' is how long in time to keep log files.
# This variable specifies, the maximum time to store entries in a single journal # This variable specifies, the maximum time to store entries in a single journal
# file before rotating to the next one. Set to 0 to turn off this feature. # file before rotating to the next one. Set to 0 to turn off this feature.
# The given values is interpreted as seconds, unless suffixed with the units # The given values is interpreted as seconds, unless suffixed with the units
@ -967,23 +979,24 @@ rhel9cis_journald_runtimekeepfree: 100G
# ATTENTION: Uncomment the keyword below when values are set! # ATTENTION: Uncomment the keyword below when values are set!
rhel9cis_journald_maxfilesec: 1month rhel9cis_journald_maxfilesec: 1month
#### Control 4.3 - Ensure logrotate is configured ## Control 4.3 - Ensure logrotate is configured
# This variable defines the log file rotation period. # This variable defines the log file rotation period.
# Options are: daily, weekly, monthly, yearly. # Options are: daily, weekly, monthly, yearly.
rhel9cis_logrotate: "daily" rhel9cis_logrotate: "daily"
## Section5 vars ## Section5 vars
# Section 5.2 - SSH ## Section 5.2 - SSH
# This value, containing the absolute filepath of the produced 'sshd' config file, allows usage of # This value, containing the absolute filepath of the produced 'sshd' config file, allows usage of
# drop-in files('/etc/ssh/ssh_config.d/{ssh_drop_in_name}.conf', supported by RHEL9) when CIS adopts them. # drop-in files('/etc/ssh/ssh_config.d/{ssh_drop_in_name}.conf', supported by RHEL9) when CIS adopts them.
# Otherwise, the default value is '/etc/ssh/ssh_config'. # Otherwise, the default value is '/etc/ssh/ssh_config'.
rhel9_cis_sshd_config_file: /etc/ssh/sshd_config rhel9_cis_sshd_config_file: /etc/ssh/sshd_config
#### Controls: ## Controls:
## 5.2.4 - Ensure SSH access is limited ## - 5.2.4 - Ensure SSH access is limited
## 5.2.19 - Ensure SSH LoginGraceTime is set to one minute or less ## - 5.2.19 - Ensure SSH LoginGraceTime is set to one minute or less
## 5.2.20 - Ensure SSH Idle Timeout Interval is configured ## - 5.2.20 - Ensure SSH Idle Timeout Interval is configured
rhel9cis_sshd: rhel9cis_sshd:
# This variable sets the maximum number of unresponsive "keep-alive" messages # This variable sets the maximum number of unresponsive "keep-alive" messages
# that can be sent from the server to the client before the connection is considered # that can be sent from the server to the client before the connection is considered
@ -1023,7 +1036,7 @@ rhel9cis_sshd:
# For more info, see https://linux.die.net/man/5/sshd_config # For more info, see https://linux.die.net/man/5/sshd_config
deny_groups: "" deny_groups: ""
# Control 5.2.5 - Ensure SSH LogLevel is appropriate ## Control 5.2.5 - Ensure SSH LogLevel is appropriate
# This variable is used to control the verbosity of the logging produced by the SSH server. # This variable is used to control the verbosity of the logging produced by the SSH server.
# The options for setting it are as follows: # The options for setting it are as follows:
# - `QUIET`: Minimal logging; # - `QUIET`: Minimal logging;
@ -1035,39 +1048,41 @@ rhel9cis_sshd:
# - `DEBUG(x)`: Whereas x = debug level 1 to 3, DEBUG=DEBUG1. # - `DEBUG(x)`: Whereas x = debug level 1 to 3, DEBUG=DEBUG1.
rhel9cis_ssh_loglevel: INFO rhel9cis_ssh_loglevel: INFO
# Control 5.2.18 - Ensure SSH MaxSessions is set to 10 or less ## Control 5.2.18 - Ensure SSH MaxSessions is set to 10 or less
# This variable value specifies the maximum number of open sessions that are permitted from # This variable value specifies the maximum number of open sessions that are permitted from
# a given location # a given location
rhel9cis_ssh_maxsessions: 4 rhel9cis_ssh_maxsessions: 4
## Control 5.6.1.4 - Ensure inactive password lock is 30 days or less ## Control 5.6.1.4 - Ensure inactive password lock is 30 days or less
rhel9cis_inactivelock:
# This variable specifies the number of days of inactivity before an account will be locked. # This variable specifies the number of days of inactivity before an account will be locked.
# CIS requires a value of 30 days or less. # CIS requires a value of 30 days or less.
rhel9cis_inactivelock:
lock_days: 30 lock_days: 30
# This variable governs if authconfig package should be installed. This package provides a simple method of # This variable governs if authconfig package should be installed. This package provides a simple method of
# configuring /etc/sysconfig/network to handle NIS, as well as /etc/passwd and /etc/shadow, the files used # configuring /etc/sysconfig/network to handle NIS, as well as /etc/passwd and /etc/shadow, the files used
# for shadow password support. Basic LDAP, Kerberos 5, and Winbind client configuration is also provided. # for shadow password support. Basic LDAP, Kerberos 5, and Winbind client configuration is also provided.
rhel9cis_use_authconfig: false rhel9cis_use_authconfig: false
#### Controls ## Section 5.4 - Configure authselect: Custom authselect profile settings(name, profile to customize, options)
# SECTION 5.4 - Configure authselect: Custom authselect profile settings(name, profile to customize, options) ## Controls:
# 5.4.1 - Ensure custom authselect profile is used('custom_profile_name', 'default_file_to_copy' subsettings) # - 5.4.1 - Ensure custom authselect profile is used('custom_profile_name', 'default_file_to_copy' subsettings)
# 5.4.2 - Ensure authselect includes with-faillock | with auth select profile('custom_profile_name') # - 5.4.2 - Ensure authselect includes with-faillock | with auth select profile('custom_profile_name')
# Settings in place now will fail, they are place holders from the control example. Due to the way many multiple # Settings in place now will fail, they are placeholders from the control example. Due to the way many multiple
# options and ways to configure this control needs to be enabled and settings adjusted to minimise risk. # options and ways to configure this control needs to be enabled and settings adjusted to minimise risk.
rhel9cis_authselect: rhel9cis_authselect:
# This variable configures the name of the custom profile to be created and selected.
custom_profile_name: custom-profile custom_profile_name: custom-profile
# This variable configures the ID of the existing profile that should be used as a base for the new profile.
default_file_to_copy: "sssd --symlink-meta" default_file_to_copy: "sssd --symlink-meta"
options: with-sudo with-faillock without-nullok options: with-sudo with-faillock without-nullok
# Control 5.4.1 - Ensure custom authselect profile is used ## Control 5.4.1 - Ensure custom authselect profile is used
# This variable governs if an authselect custom profile should be automatically created, by copying and # This variable governs if an authselect custom profile should be automatically created, by copying and
# customizing one of the default profiles. The default profiles include: sssd, winbind, or the nis. This profile can then be # customizing one of the default profiles. The default profiles include: sssd, winbind, or the nis. This profile can then be
# customized to follow site specific requirements. # customized to follow site specific requirements.
rhel9cis_authselect_custom_profile_create: false rhel9cis_authselect_custom_profile_create: false
# Control 5.4.2 - Ensure authselect includes with-faillock | Create custom profiles ## Control 5.4.2 - Ensure authselect includes with-faillock | Create custom profiles
# This variable governs if the existing custom profile should be selected(Note: please keep in mind that all future updates # This variable governs if the existing custom profile should be selected(Note: please keep in mind that all future updates
# to the PAM templates and meta files in the original profile will be reflected in your custom profile, too.) # to the PAM templates and meta files in the original profile will be reflected in your custom profile, too.)
rhel9cis_authselect_custom_profile_select: false rhel9cis_authselect_custom_profile_select: false
@ -1098,11 +1113,11 @@ rhel9cis_pam_password:
# set to 4, passwords will have to include all four types of characters. # set to 4, passwords will have to include all four types of characters.
minclass: 4 minclass: 4
## Controls ## Controls
# 5.5.2 - Ensure lockout for failed password attempts is configured # - 5.5.2 - Ensure lockout for failed password attempts is configured
# 5.5.3 - Ensure password reuse is limited # - 5.5.3 - Ensure password reuse is limited
# 5.5.4 - Ensure password hashing algorithm is SHA-512 # - 5.5.4 - Ensure password hashing algorithm is SHA-512
# 5.4.2 - Ensure authselect includes with-faillock # - 5.4.2 - Ensure authselect includes with-faillock
rhel9cis_pam_faillock: rhel9cis_pam_faillock:
# This variable sets the amount of time a user will be unlocked after the max amount of # This variable sets the amount of time a user will be unlocked after the max amount of
# password failures. # password failures.
@ -1110,7 +1125,7 @@ rhel9cis_pam_faillock:
# This variable sets the amount of tries a password can be entered, before a user is locked. # This variable sets the amount of tries a password can be entered, before a user is locked.
deny: 5 deny: 5
# This variable represents the number of password change cycles, after which # This variable represents the number of password change cycles, after which
# a user can re-use a password. # an user can re-use a password.
# CIS requires a value of 5 or more. # CIS requires a value of 5 or more.
remember: 5 remember: 5
@ -1118,44 +1133,44 @@ rhel9cis_pam_faillock:
# These are discovered via logins.def if set true # These are discovered via logins.def if set true
discover_int_uid: false discover_int_uid: false
### Controls: ### Controls:
# 5.6.2 - Ensure system accounts are secured # - 5.6.2 - Ensure system accounts are secured
# 6.2.10 - Ensure local interactive user home directories exist # - 6.2.10 - Ensure local interactive user home directories exist
# 6.2.11 - Ensure local interactive users own their home directories # - 6.2.11 - Ensure local interactive users own their home directories
# This variable sets the minimum number from which to search for UID # This variable sets the minimum number from which to search for UID
# Note that the value will be dynamically overwritten if variable `dicover_int_uid` has # Note that the value will be dynamically overwritten if variable `dicover_int_uid` has
# been set to `true`. # been set to `true`.
min_int_uid: 1000 min_int_uid: 1000
### Controls: ### Controls:
# 6.2.10 - Ensure local interactive user home directories exist # - 6.2.10 - Ensure local interactive user home directories exist
# 6.2.11 - Ensure local interactive users own their home directories # - 6.2.11 - Ensure local interactive users own their home directories
# This variable sets the maximum number at which the search stops for UID # This variable sets the maximum number at which the search stops for UID
# Note that the value will be dynamically overwritten if variable `dicover_int_uid` has # Note that the value will be dynamically overwritten if variable `dicover_int_uid` has
# been set to `true`. # been set to `true`.
max_int_uid: 65533 max_int_uid: 65533
### Control 5.3.3 - Ensure sudo log file exists ## Control 5.3.3 - Ensure sudo log file exists
# By default, sudo logs through syslog(3). However, to specify a custom log file, the # By default, sudo logs through syslog(3). However, to specify a custom log file, the
# 'logfile' parameter will be used, setting it with current variable's value. # 'logfile' parameter will be used, setting it with current variable's value.
# This variable defines the path and file name of the sudo log file. # This variable defines the path and file name of the sudo log file.
rhel9cis_sudolog_location: "/var/log/sudo.log" rhel9cis_sudolog_location: "/var/log/sudo.log"
#### Control 5.3.6 -Ensure sudo authentication timeout is configured correctly ## Control 5.3.6 -Ensure sudo authentication timeout is configured correctly
# This variable sets the duration (in minutes) during which a user's authentication credentials # This variable sets the duration (in minutes) during which a user's authentication credentials
# are cached after successfully authenticating using "sudo". This allows the user to execute # are cached after successfully authenticating using "sudo". This allows the user to execute
# multiple commands with elevated privileges without needing to re-enter their password for each # multiple commands with elevated privileges without needing to re-enter their password for each
# command within the specified time period. CIS requires a value of at most 15 minutes. # command within the specified time period. CIS requires a value of at most 15 minutes.
rhel9cis_sudo_timestamp_timeout: 15 rhel9cis_sudo_timestamp_timeout: 15
### 5.4.2 authselect and faillock ## Control 5.4.2 - authselect and faillock
## This option is used at your own risk it will enable faillock for users ## This option is used at your own risk it will enable faillock for users
## Only to be used on a new clean system if not using authselect ## Only to be used on a new clean system if not using authselect
## THIS CAN BREAK ACCESS EVEN FOR ROOT - UNDERSTAND RISKS ## ## THIS CAN BREAK ACCESS EVEN FOR ROOT - PLEASE UNDERSTAND RISKS !
rhel9cis_add_faillock_without_authselect: false rhel9cis_add_faillock_without_authselect: false
# This needs to be set to 'ACCEPT'(string), besides setting 'rhel9cis_add_faillock_without_authselect' # This needs to be set to 'ACCEPT'(as string), besides setting 'rhel9cis_add_faillock_without_authselect'
# to 'true', in order to execute the 5.4.2 sub-tasks dealing with not authselect profile # to 'true', in order to include the 'with-failock' option to the current authselect profile.
rhel9cis_5_4_2_risks: NEVER rhel9cis_5_4_2_risks: NEVER
### Control 5.6.3 - Ensure default user shell timeout is 900 seconds or less ## Control 5.6.3 - Ensure default user shell timeout is 900 seconds or less
# Session timeout setting file (TMOUT setting can be set in multiple files) # Session timeout setting file (TMOUT setting can be set in multiple files)
# Timeout value is in seconds. (60 seconds * 10 = 600) # Timeout value is in seconds. (60 seconds * 10 = 600)
rhel9cis_shell_session_timeout: rhel9cis_shell_session_timeout:
@ -1171,36 +1186,36 @@ rhel9cis_shell_session_timeout:
# CIS requires a value of at most 900 seconds. # CIS requires a value of at most 900 seconds.
timeout: 600 timeout: 600
### Control 5.6.1.5 - Ensure all users last password change date is in the past ## Control 5.6.1.5 - Ensure all users last password change date is in the past
# Allow ansible to expire password for account with a last changed date in the future. Setting it # Allow ansible to expire password for account with a last changed date in the future. Setting it
# to 'false' will just display users in violation, while 'true' will expire those users passwords. # to 'false' will just display users in violation, while 'true' will expire those users passwords.
rhel9cis_futurepwchgdate_autofix: true rhel9cis_futurepwchgdate_autofix: true
### Control 5.3.7 - Ensure access to the 'su' command is restricted ## Control 5.3.7 - Ensure access to the 'su' command is restricted
# This variable determines the name of the group of users that are allowed to use the su command. # This variable determines the name of the group of users that are allowed to use the su command.
# CIS requires that such a group be CREATED(named according to site policy) and be kept EMPTY. # CIS requires that such a group be CREATED(named according to site policy) and be kept EMPTY.
rhel9cis_sugroup: nosugroup rhel9cis_sugroup: nosugroup
## Section6 vars ## Section6 vars
### Control 6.1.15 - Audit system file permissions | Create list and warning ## Control 6.1.15 - Audit system file permissions | Create list and warning
# The RPM package-manager has many useful options. For example, using option: # The RPM package-manager has many useful options. For example, using option:
# - '-V': RPM can automatically check if system packages are correctly installed # - '-V': RPM can automatically check if system packages are correctly installed
# - '-qf': RPM can be used to determine which package a particular file belongs to # - '-qf': RPM can be used to determine which package a particular file belongs to
# Rule 6.1.15 takes advantage of the combination of those two options and, therefore, is able to # Auditing system file-permissions takes advantage of the combination of those two options and, therefore, is able to
# detect any discrepancy regarding installed packages, redirecting the output of this combined # detect any discrepancy regarding installed packages, redirecting the output of this combined
# command into a specific file. If no output is returned, the package is installed correctly. # command into a specific file. If no output is returned, the package is installed correctly.
# Current variable stores the preferred absolute filepath such a file, therefore if this file # Current variable stores the preferred absolute filepath for such a file, therefore if this file
# contains any lines, an alert message will be generated to warn about each discrepancy. # contains any lines, an alert message will be generated to warn about each discrepancy.
rhel9cis_rpm_audit_file: /var/tmp/rpm_file_check rhel9cis_rpm_audit_file: /var/tmp/rpm_file_check
### Control 6.1.9 - Ensure no world writable files exist ## Control 6.1.9 - Ensure no world writable files exist
# Allow ansible to adjust world-writable files. False will just display world-writable files, True will remove world-writable. # Allow ansible to adjust world-writable files. False will just display world-writable files, True will remove world-writable.
rhel9cis_no_world_write_adjust: true rhel9cis_no_world_write_adjust: true
rhel9cis_passwd_label: "{{ (this_item | default(item)).id }}: {{ (this_item | default(item)).dir }}" rhel9cis_passwd_label: "{{ (this_item | default(item)).id }}: {{ (this_item | default(item)).dir }}"
### Control 6.2.16 - Ensure local interactive user dot files are not group or world writable ## Control 6.2.16 - Ensure local interactive user dot files are not group or world writable
# This boolean variable governs if current role should follow filesystem links for changes to # This boolean variable governs if current role should follow filesystem links for changes to
# user home directory. # user home directory.
rhel_09_6_2_16_home_follow_symlinks: false rhel_09_6_2_16_home_follow_symlinks: false