def tcp_device_discovery_ports=(ports)
      tcp = REXML::XPath.first(@xml, 'ScanTemplate/DeviceDiscovery/CheckHosts/TCPHostCheck')
      REXML::XPath.first(tcp, './portList').text = ports.join(',')
    end
def tcp_device_discovery_ports=(ports)
      tcp = REXML::XPath.first(@xml, 'ScanTemplate/DeviceDiscovery/CheckHosts/TCPHostCheck')
      REXML::XPath.first(tcp, './portList').text = ports.join(',')
    end
Set custom TCP ports to scan for device discovery
 @param [Array] ports Ports to scan for device discovery