Enable multi-factor authentication with fallback codes

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4.x-dev 2023-01-04 00:06 UTC

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Last update: 2024-05-04 05:16:50 UTC


CI Silverstripe supported module

With thanks to Simon Firesphere Erkelens

This module was based on pioneering work by Simon. It differs from the original implementation in its use of a pluggable React UI + JSON API architecture, and its enhanced management UI within the CMS. You can find Simon's original module here.


  • PHP ^7.1
  • Silverstripe ^4.1
  • defuse/php-encryption ^2.2 and OpenSSL PHP extension


Install with Composer:

composer require silverstripe/mfa ^4.0

You should also install one of the additional multi-factor authenticator modules:


After installing this module and a supported factor method module (e.g. TOTP), the default member authenticator will be replaced with the MFA authenticator instead. This will provide no change in the steps taken to log in until an MFA Method has also been configured for the site. The TOTP and WebAuthn modules will configure themselves automatically.

After installing the MFA module and having at least one method configured, MFA will automatically be enabled. By default it will be optional (users can skip MFA registration). You can make it mandatory via the Settings tab in the admin area.

The MFA flow will only be applied to members with access to the CMS or administration area. See 'Broadening the scope of MFA' for more detail.

You can disable MFA on an environment by setting a BYPASS_MFA=1 environment variable, or via YAML config - see local development for details.

Configuring custom methods

If you have built your own MFA method, you can register it with the MethodRegistry to enable it:

    - MyCustomMethod
    - Another\Custom\Method\Here


This module provides two distinct processes for MFA; verification and registration. This module provides a decoupled architecture where front-end and back-end are separate. Provided with the module is a React app that interfaces with default endpoints added by this module. Please refer to the docs for specific information about the included functionality:

Module development

When adding translatable content to front-end UIs in the MFA module, you must ensure that these translations are pushed to Transifex. If this doesn't happen, they will be automatically removed in the next module released. See the translation docs for more information.


See license.


This library follows Semver. According to Semver, you will be able to upgrade to any minor or patch version of this library without any breaking changes to the public API. Semver also requires that we clearly define the public API for this library.

All methods, with public visibility, are part of the public API. All other methods are not part of the public API. Where possible, we'll try to keep protected methods backwards-compatible in minor/patch versions, but if you're overriding methods then please test your work before upgrading.

Reporting issues

Please create an issue for any bugs you've found, or features you're missing.