code: def cmd_nmap_excluded(lowest, highest):
      
  
      if lowest >= highest:
          logging.error('lowest can not be greater or equal than highest')
  
      cfg = loadcfg()
  
      with (cfg['DATADIR'] / 'nmap-services').open() as nsf:
          nmap_services = nsf.read()
  
      unwanted = set()
  
      for line in nmap_services.strip().split('\n'):
          if line.startswith('#'):
              continue
  
          service,port,_ = line.split('\t', maxsplit=2)
          unwanted.add(int(port.split('/')[0]))
  
      choices = list(range(lowest,highest))
      random.shuffle(choices)
  
      found = False
      for choice in choices:
          if choice not in unwanted:
              print(choice)
              found = True
              break
  
      if not found:
          logging.error('Can\'t find a port number with the specified parameters')
docs: Prints a random port that is not present on nmap-services file so is not scanned automatically by nmap.
  
      Useful for services like SSH or RDP, that are continuously scanned on their default ports.
  
      Example:
  
      \b
      # habu.nmap.excluded
      58567