network
URL of the network resource for this firewall rule. If not specified when creating a firewall rule, the default network is used: global/networks/default If you choose to specify this field, you can specify the network as a full or partial URL. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/myproject/global/networks/my-network - projects/myproject/global/networks/my-network - global/networks/default