neutron-lib/api-ref/source/v2/samples/security-group-default-rules/security-group-default-rule-create-response.json

{
    "default_security_group_rule": {
        "direction": "ingress",
        "ethertype": "IPv4",
        "id": "2bc0accf-312e-429a-956e-e4407625eb62",
        "port_range_max": 80,
        "port_range_min": 80,
        "protocol": "tcp",
        "remote_group_id": null,
        "remote_ip_prefix": null,
        "remote_address_group_id": null,
        "used_in_default_sg": false,
        "used_in_non_default_sg": true,
        "description": ""
    }
}