tls_prank_call.py

import sys
import socket
from time import time

args = sys.argv[1:]
if len(args) not in [1,2]:
    print("usage: tls_prank_call hostname [port]")

hostname = args[0]
port = 443 if len(args) == 1 else int(args[1])

start_time = time()
err = None
try:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.setblocking(True)
    s.connect((hostname, port))

    x = s.recv(4096)
except Exception as e:
    err = e
finally:
    end_time = time()
if err:
    print(err)

print("Time Elapsed: {:.3} seconds".format(end_time - start_time))