exam-laptop/roles/ufw/tasks/main.yml

- name: Install ufw
  apt: package=ufw state=present

- name: Configure ufw defaults
  ufw: 
    direction: "{{ item.direction }}"
    policy: "{{ item.policy }}"
  loop:
    - { direction: 'incoming', policy: 'deny' }
    - { direction: 'outgoing', policy: 'deny' }

# disable ipv6
- lineinfile:
    path: /etc/default/ufw
    state: present
    regexp: '^IPV6'
    line: 'IPV6=no'

- name: Enable ufw logging
  ufw: 
    logging: off

- name: Commenting a line.
  replace:
    path: /etc/ufw/before.rules
    regexp: '^(?!#)(.*limit --limit*)'
    replace: '#\1'

- name: Allow all access to tcp port 3142
  ufw:
    rule: allow
    port: '3142'
    direction: '{{ item }}'
  loop:
    - in
    - out

- name: set some allow rules
  ufw:
    rule: allow
    port: "{{ item.port }}"
    direction: "{{ item.direction }}"
    dest: "{{ item.destination }}"
  loop:
    - { port: '22', direction: 'in', destination: '10.0.0.0/24' }
    - { port: '22', direction: 'out', destination: '10.0.0.0/24' }
    - { port: '22', direction: 'in', destination: '10.16.0.0/12' }
    - { port: '22', direction: 'out', destination: '10.16.0.0/12' }
    - { port: '22', direction: 'in', destination: '162.55.5.40/32' }
    - { port: '22', direction: 'out', destination: '162.55.5.40/32' }
    - { port: '53', direction: 'in', destination: '10.16.0.0/12' }
    - { port: '53', direction: 'out', destination: '10.16.0.0/12' }
    - { port: '443', direction: 'in', destination: '10.16.0.0/12' }
    - { port: '443', direction: 'out', destination: '10.16.0.0/12' }
    - { port: '443', direction: 'in', destination: '162.55.5.40/32' }
    - { port: '443', direction: 'out', destination: '162.55.5.40/32' }