getObject returns a SoftLayer_Network_Firewall_Interface object. You can only get objects for servers attached to your account that have a network firewall enabled.
The SoftLayer_Network_Firewall_Interface data type contains general information relating to a single SoftLayer firewall interface. This is the object which ties the firewall context access control list to a firewall. Use the [[SoftLayer Network Firewall Template]] service to pull SoftLayer recommended rule set templates. Use the [[SoftLayer Network Firewall Update Request]] service to submit a firewall update request.
The SoftLayer_Network_Firewall_Interface service accesses general information relating to a single SoftLayer firewall interface. This is the object which ties the firewall context access control list to a firewall. The current running rule set can be pulled from this service. Use the [[SoftLayer Network Firewall Template]] service to pull SoftLayer recommended rule set templates. Use the [[SoftLayer Network Firewall Update Request]] service to submit a firewall update request.