python扫描端口脚本

# -*- coding:utf8 -*-

#

# Python:          2.7.8

# Platform:        Windows

# Authro:          wucl

# Program:         端口扫描

# History:         2015.6.1
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)