测试 tcp 是否能够连通

test_tcp_connection.py

 # -*- coding: UTF-8 -*-
import socket

def test_tcp_conn(ipaddr, port):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.settimeout(1)
    result = sock.connect_ex((ipaddr, port))
    if result == 0:
        print("{}:{} Open".format(ipaddr, port))
    sock.close()

test_tcp_conn('115.215.255.169', 1723);
test_tcp_conn('49.235.81.230', 8423);