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使用Python编写简单的端口扫描器的实例分享_python_脚本之家 http://www.jb51.net/article/76630.htm

 

-*- coding:utf8 -*-#!/usr/bin/python# Python:     2.7.8# Platform:    Windows# Authro:     wucl# Program:     端口扫描# History:     2015.6.1  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:\n')  lock=thread.allocate_lock()  ip_scan(url)