def list_port_forwarding_rules(ip_address_id=nil, listall=false)
      params = { 'command' => 'listPortForwardingRules' }
      params['ipAddressId'] = ip_address_id if ip_address_id
      params['listall'] = listall
      json = send_request(params)
      json['portforwardingrule']
    end
def list_port_forwarding_rules(ip_address_id=nil, listall=false)
      params = { 'command' => 'listPortForwardingRules' }
      params['ipAddressId'] = ip_address_id if ip_address_id
      params['listall'] = listall
      json = send_request(params)
      json['portforwardingrule']
    end
Lists all port forwarding rules.