get https://api.linode.com//networking/firewalls//devices/
Returns information for a Firewall Device, which assigns a Firewall to a service (referred to as the Device's entity).
linode-cli firewalls device-view \
123 456
<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>