clouddock_ansible_build/install-nebula-lighthouses.yml

---
- hosts: lighthouses
  become: true
  tasks:
    - name: Allow UDP 4242
      ansible.builtin.iptables:
        action: insert 
        chain: INPUT
        protocol:  udp
        match: udp
        destination_port: 4242
        jump: ACCEPT

    - name: Allow TCP 4242
      ansible.builtin.iptables:
        action: insert 
        chain: INPUT
        protocol:  tcp
        match: tcp
        destination_port: 4242
        jump: ACCEPT