How to hide PHP version in Linux server

Usually, most of the webservers installed with default settings have information leakage, and one of them is PHP. PHP is one of the popular server-side htmlembedded languages ​​(one?). In these challenging times, there are many attackers who will try to find vulnerabilities on your server. Therefore, I will briefly describe how to hide PHP information in Linuxserver.

is on by default expose_php is on by default. Turning off the "expose_php" parameter allows php to hide its version information.

[root@centos66 ~]#vi /etc/php.ini

In your php.ini, locate the one containing expose_php That's OK Set On to Off:

expose_php = Off

Before that, webThe server header looks like Like this:

[root@centos66 ~]#curl -I http://www.ehowstuff.com/

HTTP/1.1 200 OK

Server: nginx

Content-Type: text/html; charset=UTF-8

Vary:Accept-Encoding

X-Powered-ByHP/5.3.3

X-Pingback: http: //www.ehowstuff.com/xmlrpc.php

Date: Wed, 11 Feb2015 14:10:43 GMT

X-Page-Speed:1.9.32.2-4321

Cache-Control: max-age=0, no-cache

After changing and restarting the Web service, php will not show the version in the web service header Got:

HTTP/1.1 200 OK

Server: nginx

Content-Type: text/html; charset=UTF-8

V ary:Accept-Encoding

X-Powered-ByHP/5.3.3

GMT

X-Page-Speed:1.9.32.2-4321

Cache-Control: max-age=0, no-cache

LCTTAnnotation: In addition to the version of PHP , the Web server will also be leaked by default version number. If you use Apache server, please refer to this article to turn off Apache version display; if you use Nginx server, please turn off http Add within paragraph server_tokens off; configuration. Please remember to restart related services for the above modifications.

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