LinuxHelps.com

A blog for Linux Lovers.

Archive for the ‘Apache’ Category

Posted by sibu on March 3, 2009

Apache PHP Request Handling..

Apache PHP Request Handling

To make the things simple PHP configuration for Apache has been broken out into a separate file that is included into the main httpd.conf. The file is located at

/usr/local/apache/conf/php.conf

WHM that assists with configuration of how PHP is served by Apache. It is located under “Service Configuration” and called “Configure PHP and SuExec”. A command line interface that serves the same function is available at /usr/local/cpanel/bin/rebuild_phpconf

In whm You can see how PHP is served by Apache, the option is “Configure PHP and SuExec”.
Configuration file is /usr/local/cpanel/bin/rebuild_phpconf.

The Five Types of PHP Configuration That Are Possible:

* None - Don’t provide access to this version of PHP

* DSO - Provide this version of PHP via libphp4.so or libphp5.so (mod_php). This is normally the fastest possible way to serve PHP requests, but PHP will execute as the user “nobody”. If both versions of PHP are available, it is impossible to configure both to be served as DSO unless the concurrent DSO patch was applied at build time.

* SuPHP - Provide this version of PHP through mod_suphp. This is the most flexible way of serving PHP requests and tends to be very secure. PHP scripts are executed by the user who owns the VirtualHost serving the request.

* FCGI - Provide this version of PHP through mod_fcgid. This is a very fast way of serving PHP requests, but php.conf will most likely require additional tuning to perform well. If Suexec is enabled, each user will create their own PHP FastCGI server automatically and PHP scripts will be executed by the user who owns the VirtualHost serving the request. If Suexec is disabled, the “nobody” user will own all of the PHP FastCGI server processes and PHP scripts will be executed by the “nobody” user. FCGI mode is recommended only for advanced administrators who understand how to tune the performance of mod_fcgid. Userdir requests will not function correctly with the basic mod_fcgid setup provided by cPanel.

* CGI - Provide this version of PHP through mod_cgi or mod_cgid. If Suexec is enabled, PHP scripts will be executed by the user who owns the VirtualHost serving the request. If Suexec is disabled, the “nobody” user will execute all PHP scripts. Userdir requrests will not function correctly with the basic CGI setup provided by cPanel. It is intended as a fallback when the other preferred methods (DSO or SuPHP) are not available.

For more details please visit the url :

http://www.cpanel.net/support/docs/ea/ea3/ea3php_php_requests.html