get https://api.linode.com//networking/firewalls//devices
Returns a paginated list of a firewall's devices. A firewall device assigns a firewall to a service (referred to as the device's entity).
linode-cli firewalls devices-list 123
<https://techdocs.akamai.com/cloud-computing/docs/getting-started-with-the-linode-cli>
firewall:read_only
<https://techdocs.akamai.com/linode-api/reference/get-started#oauth>