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PUB:20150225 How to Hide PHP Version in Linux
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published/20150225 How to Hide PHP Version in Linux.md
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如何在Linux服务器中隐藏PHP版本
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================================================================================
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通常,大多数默认设置安装的web服务器存在信息泄露,这其中之一就是PHP。PHP 是如今流行的服务端html嵌入式语言(之一?)。在如今这个充满挑战的时代,有许多攻击者会尝试发现你服务端的漏洞。因此,我会简单描述如何在Linux服务器中隐藏PHP信息。
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默认上**expose_php**默认是开的。关闭“expose_php”参数可以使php隐藏它的版本信息。
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[root@centos66 ~]# vi /etc/php.ini
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在你的php.ini, 定位到含有expose_php的那行把On设成Off:
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expose_php = Off
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在此之前,web服务器头看上去就像这样:
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[root@centos66 ~]# curl -I http://www.ehowstuff.com/
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----------
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HTTP/1.1 200 OK
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Server: nginx
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Content-Type: text/html; charset=UTF-8
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Vary: Accept-Encoding
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X-Powered-By: PHP/5.3.3
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X-Pingback: http://www.ehowstuff.com/xmlrpc.php
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Date: Wed, 11 Feb 2015 14:10:43 GMT
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X-Page-Speed: 1.9.32.2-4321
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Cache-Control: max-age=0, no-cache
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更改并重启 Web 服务后,php就不会在web服务头中显示版本了:
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```[root@centos66 ~]# curl -I http://www.ehowstuff.com/
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HTTP/1.1 200 OK
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Server: nginx
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Date: Wed, 11 Feb 2015 15:38:14 GMT
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Content-Type: text/html; charset=UTF-8
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Vary: Accept-Encoding
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X-Pingback: http://www.ehowstuff.com/xmlrpc.php
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Date: Wed, 11 Feb 2015 14:10:43 GMT
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X-Page-Speed: 1.9.32.2-4321
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Cache-Control: max-age=0, no-cache
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```
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LCTT译注:除了 PHP 的版本之外,Web 服务器也会默认泄露版本号。如果使用 Apache 服务器,请[参照此文章关闭Apache 版本显示][2];如果使用 Nginx 服务器,请在 http 段内加入`server_tokens off;` 配置。以上修改请记得重启相关服务。
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--------------------------------------------------------------------------------
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via: http://www.ehowstuff.com/how-to-hide-php-version-in-linux/
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作者:[skytech][a]
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译者:[geekpi](https://github.com/geekpi)
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校对:[wxy](https://github.com/wxy)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
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[a]:http://www.ehowstuff.com/author/mhstar/
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[1]:http://www.ehowstuff.com/archives/
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[2]:http://linux.cn/article-3642-1.html
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