To enforce two-factor authentication (2FA) for specific users in Ory, you can use the step-up authentication feature. This allows you to require a higher level of authentication (AAL2) for certain operations or endpoints. Here's how you can implement this: 1. Enable 2FA methods: First, ensure that you have enabled the desired 2FA methods in your Ory configuration, such as TOTP, WebAuthn, or SMS. 2. Configure step-up authentication: You can configure step-up authentication for specific operations or endpoints. This is done by setting the required Authentication Assurance Level (AAL) to

aal2

. 3. Trigger dynamic MFA: For specific users or sensitive functions, you can trigger dynamic MFA by initiating a new login flow with the

aal

parameter set to

aal2

. Here's an example of how to trigger dynamic MFA:

/self-service/login/browser?aal=aal2 /self-service/login/api?aal=aal2

If you want to refresh the session using the second factor:

/self-service/login/browser?refresh=true&aal=aal2 /self-service/login/api?refresh=true&aal=aal2

When the user successfully provides their configured second factor: - The method (e.g., TOTP) is added to the Ory Session. - The Ory Session Authenticator Assurance Level (AAL) is set to

aal2

. - The

authenticated_at

time is updated to the time when the user provides the second factor. By implementing this approach, you can enforce 2FA for specific users or operations in your application, providing an additional layer of security where needed. For more detailed information on step-up authentication and configuring MFA, you can refer to the [Step-up authentication documentation](https://www.ory.sh/docs/kratos/mfa/step-up-authentication).

To restrict user registration to only allow email addresses with a specific domain ending (like @demo.com in your example), you can use Ory Actions (also known as hooks) to implement this custom logic. Here's how you can achieve this: 1. First, you'll need to create an Ory Action that runs before the registration process. This action will check if the email address has the required domain ending. 2. You can implement this logic in any programming language and host it as a webhook that Ory can call. 3. Then, you'll need to configure Ory Identities to use this action before the registration flow. Here's an example of how you might configure this in Ory:

yaml selfservice:   flows:     registration:       before:         hooks:           - hook: web_hook             config:               url: <https://your-webhook-url.com/check-email-domain>               method: POST

In your webhook, you would implement the logic to check the email domain. If the email doesn't end with the required domain, you would return an error response to prevent the registration from proceeding. Unfortunately, the provided knowledge sources don't contain a specific example of how to implement this exact functionality. However, this approach aligns with Ory's extensibility mechanisms described in the [Hooks documentation](https://www.ory.sh/docs/kratos/hooks/configure-hooks). For a more detailed guide on implementing custom actions and integrating them with Ory, I recommend referring to the official Ory documentation or reaching out to Ory support for specific implementation details.

To enforce email domain restrictions for existing users in Ory, you can use a combination of approaches. While the knowledge sources don't provide a direct method for this specific use case, I can suggest a strategy based on the available information: 1. Use the Identity API to filter and update users: You can use the Ory Identity API to list and filter existing users based on their email domains. Then, you can update or deactivate accounts that don't match your required domain. 2. Implement a login hook: You can create a login hook (Ory Action) that checks the user's email domain before allowing them to log in. This approach is similar to the registration hook mentioned earlier. Here's how you might implement this: 1. First, use the Identity API to list and filter users: You can use the API to retrieve all identities and filter them based on their email domain. The exact implementation will depend on your identity schema, but you'll need to examine the

traits.email

field of each identity. 2. Create a login hook: Implement a webhook that checks the user's email domain during the login process. You can configure this in your Ory Identities settings:

yaml    selfservice:      flows:        login:          before:            hooks:              - hook: web_hook                config:                  url: <https://your-webhook-url.com/check-email-domain>                  method: POST

In your webhook, implement logic to check the email domain and return an error if it doesn't match your requirements. 3. Update or deactivate non-compliant accounts: For users with non-compliant email domains, you can either update their email addresses (if appropriate) or deactivate their accounts using the Identity Management API. It's important to note that this approach may impact existing users, so you should plan carefully and communicate any changes to your user base. For more information on implementing webhooks and managing identities, you can refer to the following Ory documentation: - [Integrate with Ory Cloud through webhooks](https://www.ory.sh/docs/guides/integrate-with-ory-cloud-through-webhooks#modify-identities) - [Hooks documentation](https://www.ory.sh/docs/kratos/hooks/configure-hooks) Remember to test thoroughly in a non-production environment before applying these changes to your live system.

Yes, you can enforce two-factor authentication (2FA) for new users who match specific criteria in Ory. To achieve this, you'll need to combine the concepts of custom registration logic and step-up authentication. Here's how you can approach this: 1. Create a custom registration hook: Implement a webhook that runs during the registration process to check if the new user matches your specific criteria. This is similar to the email domain check we discussed earlier. 2. Configure the registration flow: Set up your Ory Identities configuration to use this webhook during registration:

yaml    selfservice:      flows:        registration:          before:            hooks:              - hook: web_hook                config:                  url: <https://your-webhook-url.com/check-user-criteria>                  method: POST

3. Implement the criteria check: In your webhook, implement the logic to check if the user matches your specific criteria. If they do, you can either: a) Return a response that tells Ory to require 2FA for this user, or b) Set a flag in the user's traits indicating they require 2FA 4. Enforce 2FA: After registration, you can enforce 2FA for these users by using step-up authentication. You can trigger this by initiating a new login flow with the

aal

parameter set to `aal2`:

/self-service/login/browser?aal=aal2

Or for API-based flows:

/self-service/login/api?aal=aal2

5. Implement a login hook: To consistently enforce 2FA for these users, you should also implement a login hook that checks the user's criteria or the flag you set during registration, and requires step-up authentication if necessary. Remember that the exact implementation will depend on your specific criteria and how you want to store and check this information. For more detailed information on implementing custom logic with webhooks and configuring step-up authentication, you can refer to the [Hooks documentation](https://www.ory.sh/docs/kratos/hooks/configure-hooks) and the [Step-up authentication documentation](https://www.ory.sh/docs/kratos/mfa/step-up-authentication). It's important to note that while this approach allows you to enforce 2FA for specific new users, you should thoroughly test it in a non-production environment before applying it to your live system. Also, consider how this might affect user experience and have a clear communication plan for users who will be required to set up 2FA.

Yes, you can enforce two-factor authentication (2FA) for all users in Ory using configuration settings. This is done by setting the required Authentication Assurance Level (AAL) to the highest available level, which is typically

aal2

. Here's how you can configure this: 1. In your Ory Identities (Kratos) configuration, you can set the required AAL for user sessions and settings:

yaml selfservice:   flows:     settings:       required_aal: highest_available session:   whoami:     required_aal: highest_available

This configuration enforces the highest available authentication level (which includes 2FA if configured) for accessing user settings and for all user sessions. 2. You also need to ensure that at least one second-factor authentication method is enabled. This could be TOTP, WebAuthn, or SMS-based one-time codes. For example, to enable TOTP:

yaml selfservice:   methods:     totp:       config:         issuer: YourCompanyName       enabled: true

By setting these configurations, you're enforcing 2FA for all users across your application. Users will be required to set up and use a second factor to authenticate and access their accounts. For more detailed information on configuring multi-factor authentication and enforcing AAL levels, you can refer to the [Step-up authentication documentation](https://www.ory.sh/docs/kratos/mfa/step-up-authentication). Remember to thoroughly test these changes in a non-production environment before applying them to your live system, as this will significantly impact your users' authentication process.