探测TCP端口

代码

test.py

import socket
import sys

server = sys.argv[1]
ip, port = server.split(":")

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result = sock.connect_ex((ip, int(port)))
if result == 0:
   print("open")
else:
   print("timeout")
sock.close()

cmdline

py -3 -c "import base64;exec(base64.b64decode('aW1wb3J0IHNvY2tldAppbXBvcnQgc3lzCgpzZXJ2ZXIgPSBzeXMuYXJndlsxXQppcCwgcG9ydCA9IHNlcnZlci5zcGxpdCgiOiIpCgpzb2NrID0gc29ja2V0LnNvY2tldChzb2NrZXQuQUZfSU5FVCwgc29ja2V0LlNPQ0tfU1RSRUFNKQpyZXN1bHQgPSBzb2NrLmNvbm5lY3RfZXgoKGlwLCBpbnQocG9ydCkpKQppZiByZXN1bHQgPT0gMDoKICAgcHJpbnQoIm9wZW4iKQplbHNlOgogICBwcmludCgidGltZW91dCIpCnNvY2suY2xvc2UoKQ=='.encode()).decode())" 1.1.1.1:80