php - Joomla site security -

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how can secure our joomla site outsider user.

is there security feature available in joomla prevent hacking outsider user.

use following steps :

change default database prefix (jos_)

use sef component

use correct chmod each folder , file.

password protect administrative area.

keep website up-to-date.

use .htaccess file secure joomla.

passwords - use unique , strong password.

install jsecure authentication plugin.


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