Gulzar Ahmed

<p>Only logged-in users can view the frontend or backend if this plugin is activated. The password reset process on wp-login keeps on working.</p>
<ul>
<li>No options/settings</li>
<li>No by-pass</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>WooCommerce</li>
</ul>
<h3>Usage as MU-Plugin</h3>
<p>This plugin is very simple and can also be used as a must-use plugin. That way no admin of a website can deactivate the plugin, making sure the requirement of just authenticated  users is ensured.<br />
! No automatic updates are made for mu plugins</p>


WP Logged-in Only Basic

A Plugin to lock down the whole site to prevent public access.

marcucci

<p>This is a very simple plugin that will check to see if a visitor is logged in before allowed your WordPress site to be displayed.<br />
If they are not it will display the login page of your site. It will also add text on the login page to explain that the site<br />
required all visitors to login.</p>


Password Protect Plugin for WordPress

Force all visitors to login before accessing your wordpress site and add a message on the login screen explaining that login is required.

WP Logged-in Only Basic vs Password Protect Plugin for WordPress