python的socket库可以检测端口是否开放。
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import socket; sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) result = sock.connect_ex(('127.0.0.1',80)) if result == 0: print "Port is open" else: print "Port is not open"
这里sock.connect_ex()方法尝试连接,如果连接成功返回0。