揭开百度BWS神秘面纱

触发我好奇触觉神经的起因是因为在看小说时,无意中拖了一大段文字,结果GreenBrowser就自动同时开打了百度和Google来搜索(自己设置的),Google的结果页面很正常,而百度却给了个红脸 :

<HTML><HEAD><TITLE>400 Your request has bad syntax or is inherently impossible to satisfy.
</TITLE></HEAD>
<BODY BGCOLOR="#cc9999" TEXT="#000000" LINK="#2020ff" VLINK="#4040cc">
<H2>400 Your request has bad syntax or is inherently impossible to satisfy.
</H2>
Bad Request<HR>
</BODY>
</HTML>

这种风格的报错页面,有种眼熟的感觉。

众所周知,百度和Google一样,都把自己的web server标识改了类似“Baidu Web Server”、“Google Web Server”之类的缩写。从这里可以查看Server Type,百度的是 BWS/1.0,Google的是gws。

感觉百度不大可能自己从头开发一个Web Server 软件,加上现在看到的报错页面,便有心探查一下。

通过关键字,很快就找到了,原来是thttpd :
thttpd is a simple, small, portable, fast, and secure HTTP server.

常用作嵌入式设备的WebServer,如路由,难怪眼熟。

相关链接:

百度400 页面:
http://www.baidu.com/baidu?tn=GreenBrowser&word=%A1%A1%A1%A1%D2%AA%C8%FB%D2%C0%BE%C9%C5%CC%BE%E1%D4%DA%C4%C7%C0%EF%A3%AC%D4%DA%BF%D5%D6%D0%CE%D2%BF%C9%D2%D4%C7%E5%B3%FE%B5%C4%BF%B4%B5%BD%D3%D0%B4%F3%C1%BF%B5%C4%B9%A4%C8%CB%D4%DA%D0%DE%B2%B9%D7%C5%B5%B1%B3%F5%B1%BB%CE%D2%C3%C7%B5%C4%BD%FB%D6%E4%B4%F2%B3%F6%B5%C4%B4%B4%BF%DA%A3%AC%D5%E2%B8%F6%B9%A4%B3%CC%BF%C9%B2%BB%D0%A1%B0%A1%A3%AC%B9%BB%CB%FB%C3%C7%C3%A6%D2%BB%D5%F3%B5%C4%C1%CB%A3%AC%D3%C9%D3%DA%B2%BB%D6%AA%B5%C0%CC%EC%C1%D1%CF%BF%B9%C8%B5%C4%BE%DF%CC%E5%CE%BB%D6%C3%A3%AC%CE%D2%BE%F6%B6%A8%BB%B9%CA%C7%CF%C8%B5%BD%D2%AA%C8%FB%D6%D0%C8%A5%D7%AA%D7%AA%A3%AC%C4%C7%C0%EF%B5%C4%C8%CB%D3%A6%B8%C3%B6%D4%D6%DC%CE%A7%B5%C4%BB%B7%BE%B3%B1%C8%CE%D2%C1%CB%BD%E2%B2%C5%B6%D4%A3%AC%D2%B2%D0%ED%BB%E1%D3%D0%CA%B2%C3%B4%CF%DF%CB%F7%A3%AC%D7%DC%B1%C8%CE%D2%D7%D4%BC%BA%C2%D2%D5%D2%D2%AA%C7%BF%B5%C4%B6%E0%C1%CB%A1%A3%CF%EB%B5%BD%D5%E2%C0%EF%A3%AC%CE%D2%B7%C9%C2%E4%D4%DA%C0%EB%D2%AA%C8%FB%BC%B8%C0%EF%CD%E2%B5%C4%B5%D8%B7%BD%A3%AC%BF%C9%C4%DC%CA%C7%D3%C9%D3%DA%BA%CD%CC%B8%B5%C4%B3%C9%B9%A6%A3%AC%D2%AA%C8%FB%B5%C4%B7%C0%D3%F9%CF%D4%B5%C4%BA%DC%CB%C9%A3%AC%C6%BD%B3%A3%B5%C4%CA%B1%BA%F2%A3%AC%D5%E2%C0%EF%D3%A6%B8%C3%D3%D0%D1%B2%C2%DF%B5%C4%C8%CB%B2%C5%B6%D4%A3%AC%BF%C9%BD%F1%CC%EC%CE%D2%C8%B4%CA%B2%C3%B4%D2%B2%C3%BB%BF%B4%B5%BD%A3%AC%D6%BB%D3%D0%D2%BB%D0%A9%B9%FD%CD%F9%B5%C4%BF%CD%C9%CC%B2%BB%B6%CF%B5%C4%D4%DA%CD%F9%C0%B4%D7%C5%A1%A3


thttpd 400 页面:
http://www.doupovec.cz/

paypal 403 页面:
http://images.paypal.com/

各大网站的WEB服务器分析



注:

需要关闭IE的“显示友好 HTTP 错误信息”选项才能看到400页面


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