Multiple Activated Authentication Methods

A user can have multiple authentication methods enabled at the same time. You can choose if you want to have:

• a multi-level authentication process (three-factor and even more)
• or two-factor authentication and give the user the possibility to choose the authentication method

You can set the in the firewall configuration:

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# config/packages/security.yaml
security:
    firewalls:
        your_firewall_name:
            two_factor:
                multi_factor: false  # If ALL active two-factor methods need to be fulfilled

If you're not using multi-factor authentication, the user might want to configure a default two-factor method, which is requested first, before switching to another two-factor method. You can provide the preferred two-factor method by implementing the Scheb\TwoFactorBundle\Model\PreferredProviderInterface interface in the user entity. Return the alias of the two-factor provider, for example google or email for the ones shipped with this bundle. If null is returned the default order is applied.