This plugin is outdated and might not be supported anymore
WP Require Auth

WP Require Auth

Details
View on WordPress

If you need to make your WordPress site private, this plugin makes it possible for
your users having to log in before being able to view any content on the website.

Details

Plugin code:
wp-require-auth
Plugin version:
1.0.2
Outdated:
Yes
WP version:
2.0 or higher
PHP version:
or higher
Test up to WP version:
3.9.40
Total installations:
10
Last updated:
2014-04-16
Rating:
Times rated:
1
authentication
security