python的socket

Question

 

import socket
for port in range(1,65536):
    try:
        conn= socket.socket(2,1)
        conn.connect('192.168.1.100',port)
        print ('Tcp port %d is open' %port)
    except:
        pass

 

   

Answer 1

怎么什么都没显示，没结果

Answer 2

你打开的socket在连接到一个开放的端口后不能再连接下一个端口。

Answer 3

import socket for port in range(1,65536):     try:         conn = socket.socket(2 , 1)         conn.connect('192.168.1.100' , port)         print ('Tcp port %d is open'%port)     except:         pass     finally：         conn.close()