Do not create new users: Enable this toggle to stop new user creation and prevent users from logging in.
Do not update existing user's roles: By enabling this toggle, the roles of the existing users (users already created in WordPress) will not change.
Whitelist existing user's roles: Enable this toggle to prevent some specific user roles from being updated.
Allow/Deny user login based on IDP Attribute values: Enabling this toggle will determine, whether users will be allowed or denied to login based on the below option selected and mapped IDP group attribute value.
Allow/Deny user login based on email domain: If you want the users of a specific domain to be allowed or restricted to login then you can use this feature.
Enable Regex for Role Mapping: Enabling this toggle allows you to set up patterns in the role mapping instead of IDP group values, so users will be assigned roles based on the specified pattern.