python判断远程端口是否打开详解编程语言

python判断远程端口是否打开,下面的代码判断指定网站的80端口是否打开

import socket 
sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
sk.settimeout(1) 
try: 
    sk.connect(('www.open-open.com',80)) 
    print 'Server port 80 OK!' 
except Exception: 
    print 'Server port 80 not connect!' 
sk.close()