tcp-dumper.py

#!/usr/bin/env python3
import socket
HOST = ''
PORT = 26732

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    try:
        s.bind((HOST, PORT))
        s.listen()
        conn, addr = s.accept()
        with conn:
            print('Connected by', addr)
            while True:
                data = conn.recv(1024)
                if not data:
                    break
                print(data)
    except (KeyboardInterrupt, SystemExit):
        print("Closing socket")
        s.close()