Pyhton扫描端口脚本

# -*- coding:utf8 -*-

#!/usr/bin/python

# Program:         端口扫描

import socket, time, thread

socket.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)