RHEL9-CIS/tasks/section_3/cis_3.2.x.yml

---

- name: "3.2.1 | PATCH | Ensure IP forwarding is disabled"
  block:
      - name: "3.2.1 | PATCH | Ensure IP forwarding is disabled | Disable IPv4 forwarding"
        sysctl:
            name: net.ipv4.ip_forward
            value: '0'
            state: present
            reload: yes
            ignoreerrors: yes
        notify: sysctl flush ipv4 route table

      - name: "3.2.1 | PATCH | Ensure IP forwarding is disabled | Disable IPv6 forwarding"
        sysctl:
            name: net.ipv6.conf.all.forwarding
            value: '0'
            state: present
            reload: yes
            ignoreerrors: yes
        notify: sysctl flush ipv6 route table
        when: rhel9cis_ipv6_required
  when:
      - not rhel9cis_is_router
      - rhel9cis_rule_3_2_1
  tags:
      - level1-server
      - level1-workstation
      - automated
      - sysctl
      - patch
      - rule_3.2.1

- name: "3.2.2 | PATCH | Ensure packet redirect sending is disabled"
  sysctl:
      name: '{{ item.name }}'
      value: '{{ item.value }}'
      sysctl_set: yes
      state: present
      reload: yes
      ignoreerrors: yes
  notify: sysctl flush ipv4 route table
  with_items:
      - { name: net.ipv4.conf.all.send_redirects, value: 0 }
      - { name: net.ipv4.conf.default.send_redirects, value: 0 }
  when:
      - not rhel9cis_is_router
      - rhel9cis_rule_3_2_2
  tags:
      - level1-server
      - level1-workstation
      - automated
      - patch
      - sysctl
      - rule_3.2.2