--- mem_size: 4096 num_cpus: 2 datadisks: - 1000 firewall_in: - {proto: tcp, port: 22, from: [172.20.20.0/22]} - {proto: tcp, port: 2049, from: [172.20.20.0/22]} - {proto: tcp, port: 2049, from: [172.20.30.0/24]}