python编写的一个简单的扫描端口的程序，python编写端口,#-----------

python编写的一个简单的扫描端口的程序，python编写端口,#-----------

#-------------------------------------------------------------------------------# 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 pythonimport socketdef 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()