Test for open ports

my_port_scanner.py

import socket
import sys

host = sys.argv[1]
maxport = int(sys.argv[2])

for k in range(1, maxport):
        try:
                s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                s.settimeout(0.5)
                s.connect((host, k))
                #c = socket.connect((host, k), 1)
                print "%s : %d responds" % (host, k)
                s.close()
        except:
                pass
                #print "no response in %s : %d" % (host, k)