python做这个事情很轻松,如果省去不必要的参数输入部分,代码可以更简单  :-)

 

直接上代码吧:

 

#-------------------------------------------------------------------------------
#
 Name:        PortScan
#
 Purpose:     扫描目标主机的端口开放情况
#
#
 Author:      xxh
#
#
 Created:     05-12-2011
#
 Copyright:   (c) xxh 2011
#
 Licence:     <your licence>
#
-------------------------------------------------------------------------------
#
!/usr/bin/env python

import socket

def main():
    sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sk.settimeout(1000)
    ip=input('请输入目标主机:(默认:127.0.0.1)')
    if ip=='':
        ip='127.0.0.1'



    s=input('请输入目标主机开始端口:(默认:80)')
    if s=='':
        startport=80
    else:
        startport=int(s)

    s=input('请输入目标主机结束端口:(默认:80)')
    if s=='':
        endport=80
    else:
        endport=int(s)

    for port in range(startport,endport+1):
        print('正在扫描端口:%d' % port)
        try:
            sk.connect((ip,port))
            print('Server %s port %d OK!' % (ip,port))
        except Exception:
            print('Server %s port %d is not connected!' % (ip,port))
    sk.close()


if __name__ == '__main__':
    main()

 

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