---
firewall_in:
  - {proto: tcp, port: 22, from: [172.20.20.0/22]}
  - {proto: tcp, port: 443, from: [172.20.27.0/24]}
  - {proto: tcp, port: 1883, from: [172.20.27.0/24]}
  - {proto: tcp, port: 9100, from: [172.20.20.0/22]}
  - {proto: tcp, port: 8883, from: [172.20.20.0/22, 172.20.27.0/24]}