http://stackoverflow.com/questions/8196886/how-to-generate-tcp-ip-and-udp-packets-in-python if you you want to send/receive usual packets then you should use socket or socketserver http://docs.python.org/library/socket.html#module-socket http://docs.python.org/library/socketserver.html#module-SocketServer to send TCP to google's port 80 use

udp.py

  import socket
  HOST = 'google.com'    # The remote host
  PORT = 80              # The same port as used by the server
  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  s.connect((HOST, PORT))
  s.send('GET / HTTP/1.1\r\nHost: google.com\r\n\r\n')
  data = s.recv(1024)
  s.close()
  print 'Received', repr(data)