python 域名转IP 在查看制定端口是否开放
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转自:http://www.oschina.net/code/snippet_782578_14264#!/usr/local/bin/python#-*- coding: UTF-8 -*-#####################################################################qq:316118740#BLOG:http://hi.baidu.com/alalmn# python 域名转IP 在查看制定端口是否开放# 刚学写的不好请大家见谅####################################################################import socket#获取域名的IP地址def www_ip(name): #域名转IP try: result = socket.getaddrinfo(name, None) return result[0][4][0] except: return 0def ip_port(ip): #查看IP端口是否开放 port=21 s=socket.socket() #address="127.0.0.1" try: s.connect((ip,port)) #print 'IP:',ip,"port:",port,"以开放" return 1 except socket.error,e: #print 'IP:',ip,"port:",port,"未开放" return 0if __name__=='__main__': www= "www.163.com" IP=www_ip(www) if IP: print www,"ip地址:",IP if ip_port(IP): print IP,"开放21端口" else: print IP,"未开21放端口" else: print www,"域名转IP失败"