AuthPro

AuthPro.com is remotely hosted password protection and membership site management service for your website.
With this plugin you can easily add AuthPro protection code to your WordPress blog.

You can select to protect whole website or selected pages or posts.
You can also disable protection code on all pages page if you need.

PS: You’ll need an active AuthPro account to use this plugin.
If you do not have AuthPro account you can signup for new one on authpro.com website.