RHEL 7 DISA STIG

This role is still under active development.

Configure a RHEL 7 system to be DISA STIG compliant. All findings will be audited by default. Non-disruptive CAT I, CAT II, and CAT III findings will be corrected by default. Disruptive finding remediation can be enabled by setting rhel7stig_disruption_high to yes.

This role is based on RHEL 7 DISA STIG: Version 2, Rel 4 released on July 26, 2019.

Requirements

RHEL 7 or CentOS 7 - Other versions are not supported.

passlib >= 1.5 on the control node (1.6.5 is available in RHEL and CentOS as python-passlib)

jmespath on the control node (available in RHEL and CentOS as python2-jmespath)

Role Variables

Name	Default Value	Description
rhel7stig_cat1_patch	yes	Correct CAT I findings
rhel7stig_cat2_patch	yes	Correct CAT II findings
rhel7stig_cat3_patch	yes	Correct CAT III findings
rhel_07_######	see defaults/main.yml	Individual variables to enable/disable each STIG ID.
rhel7stig_gui	no	Whether or not to run tasks related to auditing/patching the desktop environment
rhel7stig_system_is_router	no	Run tasks that disable router functions.
rhel7stig_antivirus_required	no	Run tasks related to Anit-Virus package installation.
rhel7stig_av_package	see defaults/main.yml	Anti-virus package(s) to install and service to start and enable.
rhel7stig_time_service	chronyd	Set to ntpd or chronyd.
rhel7stig_time_service_configs	see defaults/main.yml	Time service packages and service configs.
rhel7stig_firewall_service	firewalld	Set to firewalld or iptables.
rhel7stig_vsftpd_required	no	If set to no, remove vsftpd.
rhel7stig_tftp_required	no	If set to no, remove tftp client and server packages.
rhel7stig_autofs_required	no	If set to no, disable autofs service.
rhel7stig_kdump_required	no	If set to no, disable kdump service.
rhel7stig_snmp_community	Endgam3Ladyb0g	SNMP community string that will replace public and private in snmpd.conf.
rhel7stig_bootloader_password	Boot1tUp!	GRUB2 bootloader password. This should be stored in an Ansible Vault.
rhel7stig_boot_superuser	root	Used to set the boot superuser in the GRUB2 config.
rhel7stig_boot_password_config	see defaults/main.yml	GRUB2 bootloader password configuration.
rhel7stig_aide_cron	see defaults/main.yml	AIDE Cron settings
rhel7stig_maxlogins	10	Set maximum number of simultaneous system logins (RHEL-07-040000)
rhel7stig_logon_banner	see defaults/main.yml	Logon banner displayed when logging in to the system. Defaults to nicely formatted standard logon banner.
rhel7stig_password_complexity	see below for specific settings	Dictionary of password complexity settings
rhel7stig_password_complexity.ucredit	-1	Minimum number of upper-case characters to be set in a new password - expressed as a negative number.
rhel7stig_password_complexity.lcredit	-1	Minimum number of lower-case characters to be set in a new password - expressed as a negative number.
rhel7stig_password_complexity.dcredit	-1	Minimum number of numeric characters to be set in a new password - expressed as a negative number.
rhel7stig_password_complexity.ocredit	-1	Minimum number of special characters to be set in a new password - expressed as a negative number.
rhel7stig_password_complexity.difok	8	Minimum number of characters in new password that must not be present in the old password.
rhel7stig_password_complexity.minclass	4	Minimum number of required classes of characters for the new password. (digits, upper, lower, other)
rhel7stig_password_complexity.maxrepeat	3	Maximum number of allowed same consecutive characters in a new password.
rhel7stig_password_complexity.maxclassrepeat	4	Maximum number of allowed same consecutive characters in the same class in the new password.
rhel7stig_password_complexity.minlen	15	Minimum number of characters in a new password.
rhel7stig_shell_session_timeout	file: /etc/profile timeout: 600	Dictionary of session timeout setting and file (TMOUT setting can be set in multiple files)

Dependencies

None

Example Playbook

- hosts: servers
  roles:
    - role: rhel7-stig
      when:
        - ansible_os_family == 'RedHat'
        - ansible_distribution_major_version | version_compare('7', '=')

License

MIT