by klickonit on WordPress.org
WP Configuration and Status
WP Configuration and Status is a simple plugin which, once enabled, will allow easy access to key configuration parameters within your WordPress installation.
Sync your WordPress users with .htpasswd file for enabling Apache (2.2.18 and above) basic authentication based on file for your resources
Wordless Extender is a starting point for everyone: list of commonly used plugins, wp-config.php / .htaccess configuration and security improvements.
The Square Bracket Hack Prevention plugin prevents hackers from adding a "[" to the URL.