import os
import sys
import socket

sys.stdout.reconfigure(encoding="utf-8")

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(5.0)
try:
    s.connect(("140.44.4.21", 22))
    banner = s.recv(1024)
    print(f"RAW BANNER (len={len(banner)}): {repr(banner)}")
    s.close()
except Exception as e:
    print("Error:", e)