def tcp_service_discovery_ports=(ports)
      service_ports = REXML::XPath.first(@xml, 'ScanTemplate/ServiceDiscovery/TCPPortScan')
      service_ports.attributes['mode'] = 'custom'
      service_ports.attributes['method'] = 'syn'
      REXML::XPath.first(service_ports, './portList').text = ports.join(',')
    end
def tcp_service_discovery_ports=(ports)
      service_ports = REXML::XPath.first(@xml, 'ScanTemplate/ServiceDiscovery/TCPPortScan')
      service_ports.attributes['mode'] = 'custom'
      service_ports.attributes['method'] = 'syn'
      REXML::XPath.first(service_ports, './portList').text = ports.join(',')
    end
Set custom TCP ports to scan for TCP service discovery
 @param [Array] ports Ports to scan for TCP service discovery