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With this plugin, you can ask users to authenticate before they can see your WordPress site. 
You can either use the WordPress logins to authenticate, or a given password. 
This plugin can be useful when your website is still under construction or in beta fase. 
No HTTP Authentication is used.

Basic Authentication

With this plugin, you can ask users to authenticate before they can see your Wordpress site.

Aaron D. Campbell

George Stephanis

Scott Grant

Stephen Edgar

Steve Grunwell

Steven Word

Daisuke Takahashi

John Blackbourn

Kaspars

Derek Herman

Arslan Kalwar

Ali Husnain

Use the “Two-Factor Options” section under “Users” → “Your Profile” to enable and configure one or multiple two-factor authentication providers for your account:
<ul>
<li>Email codes</li>
<li>Time Based One-Time Passwords (TOTP)</li>
<li>FIDO Universal 2nd Factor (U2F)</li>
<li>Backup Codes</li>
<li>Dummy Method (only for testing purposes)</li>
</ul>
For more history, see <a href="https://georgestephanis.wordpress.com/2013/08/14/two-cents-on-two-factor/" rel="nofollow ugc">this post</a>.
<h4>Actions & Filters</h4>
Here is a list of action and filter hooks provided by the plugin:
<ul>
<li><code>two_factor_providers</code> filter overrides the available two-factor providers such as email and time-based one-time passwords. Array values are PHP classnames of the two-factor providers.</li>
<li><code>two_factor_providers_for_user</code> filter overrides the available two-factor providers for a specific user. Array values are instances of provider classes and the user object <code>WP_User</code> is available as the second argument.</li>
<li><code>two_factor_enabled_providers_for_user</code> filter overrides the list of two-factor providers enabled for a user. First argument is an array of enabled provider classnames as values, the second argument is the user ID.</li>
<li><code>two_factor_user_authenticated</code> action which receives the logged in <code>WP_User</code> object as the first argument for determining the logged in user right after the authentication workflow.</li>
<li><code>two_factor_user_api_login_enable</code> filter restricts authentication for REST API and XML-RPC to application passwords only. Provides the user ID as the second argument.</li>
<li><code>two_factor_email_token_ttl</code> filter overrides the time interval in seconds that an email token is considered after generation. Accepts the time in seconds as the first argument and the ID of the <code>WP_User</code> object being authenticated.</li>
<li><code>two_factor_email_token_length</code> filter overrides the default 8 character count for email tokens.</li>
<li><code>two_factor_backup_code_length</code> filter overrides the default 8 character count for backup codes. Providers the <code>WP_User</code> of the associated user as the second argument.</li>
</ul>

Two-Factor

The plugin is good, it works fine with the membership plugin.

Good Plugin, But need some improvements

The best to increase the security of your WordPress.

Great plugin


Works flawlessly! Easy UI for users to setup their 2FA, does not need much configuration if at all. And what I appericiate, does just one thing and does it good - instead of being packed with multiple more or less related functionalities.


My go-to plugin for 2FA!

Extremely safe and secure

Extremely Secure


As a contributor to the Two-Factor WordPress Plugin, I'm excited to present my review of this exceptional security solution. This plugin operates flawlessly, delivering a streamlined and user-friendly interface for configuring two-factor authentication (2FA) with minimal effort. One of the aspects I'm particularly fond of is its commitment to focusing on a single function while excelling at it, providing users with a reliable and efficient solution. In this review, I will delve deeper into the plugin's impressive features and highlight its effectiveness in enhancing WordPress security.



Impressive Simplicity: The Two-Factor WordPress Plugin truly shines in its simplicity. Configuring 2FA is a breeze, thanks to its straightforward and intuitive interface. Even users with minimal technical knowledge can easily set up the plugin without any hassle. By focusing on the core functionality of two-factor authentication, the plugin avoids overwhelming users with unnecessary features, ensuring a smooth and uncomplicated experience.



User-Centric Design: The plugin's user-centric design is a testament to its effectiveness. It prioritizes the needs and preferences of users, providing them with a seamless and efficient 2FA setup process. Whether users opt for time-based one-time passwords (TOTP), QR code scanning, or other authentication methods, the plugin caters to their diverse requirements, enhancing security without compromising convenience. The straightforward configuration options empower users to strengthen their WordPress logins with just a few clicks.



Contributor Involvement: As a proud contributor to the Two-Factor WordPress Plugin, I'm grateful for the opportunity to be part of a project that prioritizes user security. Collaborating with the dedicated development team has been an enriching experience, and I've witnessed firsthand their commitment to excellence and attention to detail. Contributing to this plugin has allowed me to play a role in providing users with a reliable and effective security solution for their WordPress websites.



Conclusion: In conclusion, the Two-Factor WordPress Plugin stands out as a remarkable tool for enhancing WordPress security. Its flawless performance, coupled with a user-friendly interface, makes it a top choice for configuring two-factor authentication with ease. The plugin's simplicity is commendable, offering users a focused and streamlined solution without overwhelming them with unnecessary features. As a contributor to this exceptional project, I take great pride in recommending the Two-Factor WordPress Plugin to WordPress users who value simplicity, security, and reliability.


Streamlined and Effective


This plugin functions flawlessly! It provides users with a straightforward and straightforward interface for configuring two-factor authentication (2FA), requiring minimal configuration, if any. What I appreciate most is that it focuses on doing one thing exceptionally well, as opposed to overwhelming users with a multiplicity of unrelated features.


Two-Factor plugin functions flawlessly!


The installation was easy. No problems so far.


Works like expected


Easy to set up, easy to use. Works like a charm. Thanks a lot!


Just works!

Works out of the box

Very good plugin

Enable Two-Factor Authentication (2FA) using time-based one-time passwords (TOTP), Universal 2nd Factor (U2F), email, and backup verification codes.

Basic Authentication vs Two-Factor