想着在编写python web相关程序时，需要用的上User-agent这一项内容（有些网站屏蔽非人为的访问，也就是说拒绝机器人访问，所有你要把自己伪装成为一个人的行为）。利用BurpSuite在自己的电脑上把几个常用的User-agent都给抓下来，留下备查。
FireFox37.0.1+Win7_X64：
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0
FireFox33.1.1+Win7_X32:
User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:33.0) Gecko/20100101 Firefox/33.0
Chrome41.0+Win7_X64:
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36
Chrome41.0+Win7_X32:
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36
IE10.0+Win7_X32:
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)
IE11.0+Win7_X64:
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Iceweasel31.6.0+Kali GNU/Linux 1.1.0_X32:
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.6.0
Iceweasel31.6.0+Kali GNU/Linux 1.1.0_X64:
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.6.0
差不多就这些，以后有需要再慢慢添加其他的。