下面小编就为大家分享一篇python通过伪装头部数据抵抗反爬虫的实例，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧
0x00 环境
系统环境:win10
编来源[email protected]搞@^&代*@码)网写工具:JetBrains PyCharm Community Edition 2017.1.2 x64
python 版本:python-3.6.2
抓包工具:Fiddler 4
0x01 头部数据伪装思路
通过http向服务器提交数据,以下是通过Fiddler 抓取python没有伪装的报文头信息
GET /u012870721 HTTP/1.1 Accept-Encoding: identity Host: blog.gaodaimna User-Agent: <span style="color:#ff0000">Python-urllib/3.6</span> Connection: close
Python-urllib/3.6
很明显啊，我们暴露了。现在要问了，该怎么！模拟浏览器，让自己伪装成浏览器，一下是浏览器访问发送的头部数据
Connection: keep-alive Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Referer: http://write.blog.gaodaimna/postlist Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.8
0x02代码实现
from urllib import request html_url = "http://blog.gaodaimna/u012870721"; #伪装构造头 header ={ "Connection": "keep-alive", "Upgrade-Insecure-Requests": "1", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36", "Accept":" text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8", "Accept-Encoding": "gzip,deflate", "Accept-Language": "zh-CN,zh;q=0.8" }; #int main() #{ req = request.Request(url=html_url, headers=header); resp = request.urlopen(req); # return 0; # }
伪装后进行发送的信息头
GET /u012870721 HTTP/1.1 Host: blog.gaodaimna Connection: close Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 Accept-Encoding: gzip,deflate Accept-Language: zh-CN,zh;q=0.8
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