Pyhton扫描端口脚本代码

# -*- coding:utf8 -*-#!/usr/bin/python# Program:         端口扫描import socket, time, threadsocket.setdefaulttimeout(3)def socket_port(ip,port):    """    输入IP和端口号，扫描判断端口是否开放    """    try:        if port>=65535:            print u'端口扫描结束'        s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)        result=s.connect_ex((ip,port))        if result==0:            lock.acquire()            print  ip,u':',port,u'端口开放'            lock.release()        s.close()    except:        print u'端口扫描异常'def ip_scan(ip):    """    输入IP，扫描IP的0-65534端口情况    """    try:        print u'开始扫描 %s' % ip        start_time=time.time()        for i in range(0,65534):            thread.start_new_thread(socket_port,(ip,int(i)))        print u'扫描端口完成，总共用时 ：%.2f' %(time.time()-start_time)        raw_input("Press Enter to Exit")    except:        print u'扫描ip出错'if __name__=='__main__':    url=raw_input('Input the ip you want to scan:')    lock=thread.allocate_lock()    ip_scan(url)