ansible-lockdown/RHEL9-CIS
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added option for sysctl or kernel for disabling IPv6

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Signed-off-by: George Nalen <georgen@mindpointgroup.com>
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George Nalen 2025-12-22 16:35:08 -05:00
parent 62989d258b
commit beb3bfdc94
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GPG key ID: CA43827BF7C4DEBA
2 changed files with 19 additions and 2 deletions
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2
defaults/main.yml
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@ -802,6 +802,8 @@ rhel9cis_tftp_client: false
## Control 3.1.1 - Ensure IPv6 status is identified ## Control 3.1.1 - Ensure IPv6 status is identified
# This variable governs whether ipv6 is enabled or disabled. # This variable governs whether ipv6 is enabled or disabled.
rhel9cis_ipv6_required: true rhel9cis_ipv6_required: true
# rhel9cis_ipv6_disable defines the method of disabling IPv6, sysctl vs kernel
rhel9cis_ipv6_disable: "sysctl"
## Control 3.1.2 - Ensure wireless interfaces are disabled ## Control 3.1.2 - Ensure wireless interfaces are disabled
# if wireless adapter found allow network manager to be installed # if wireless adapter found allow network manager to be installed

19
tasks/section_3/cis_3.1.x.yml
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@ -16,14 +16,29 @@
- rule_3.1.1 - rule_3.1.1
- NIST800-53R5_CM-7 - NIST800-53R5_CM-7
block: block:
- name: "3.1.1 | PATCH | Ensure IPv6 status is identified | refresh" - name: "3.1.1 | AUDIT | Ensure IPv6 status is identified | Set vars for sysctl template"
when: "'sysctl' in rhel9cis_ipv6_disable_method"
ansible.builtin.set_fact: ansible.builtin.set_fact:
rhel9cis_sysctl_update: true rhel9cis_sysctl_update: true
rhel9cis_flush_ipv6_route: true rhel9cis_flush_ipv6_route: true
- name: "3.1.1 | PATCH | Ensure IPv6 status is identified | disable" - name: "3.1.1 | PATCH | Ensure IPv6 status is identified | disable via sysctl template"
when: "'sysctl' in rhel9cis_ipv6_disable_method"
ansible.builtin.debug: ansible.builtin.debug:
msg: "Control being set via Handler 'update sysctl' which writes to /etc/sysctl.d/60-disable_ipv6.conf" msg: "Control being set via Handler 'update sysctl' which writes to /etc/sysctl.d/60-disable_ipv6.conf"
- name: "3.1.1 | PATCH | Ensure IPv6 status is identified | Find IPv6 status"
when: "'kernel' in rhel9cis_ipv6_disable_method"
ansible.builtin.command: grubby --info=ALL
changed_when: false
failed_when: false
register: discovered_rhel9cis_3_1_1_ipv6_status
- name: "3.1.1 | PATCH | Ensure IPv6 status is identified | Disable IPV6 via Kernel"
when:
- "'kernel' in rhel9cis_ipv6_disable_method"
- "'ipv6.disable=1' not in discovered_rhel9cis_3_1_1_ipv6_status.stdout"
ansible.builtin.shell: grubby --update-kernel=ALL --args="ipv6.disable=1"
- name: "3.1.2 | PATCH | Ensure wireless interfaces are disabled" - name: "3.1.2 | PATCH | Ensure wireless interfaces are disabled"
when: when: