Unless accessing anonymously, users are typically authenticated to verify their identity and apply authorization based on their groups, roles and permissions. The simplest authentication mode is Forms authentication, which is the recommended starting point for a new deployment.
supports the following authentication modes:
In addition to these modes, has been integrated with a wide range of other authentication systems and technologies, including OpenID Connect, SAML 2.0, and more.
If no Identity Extension has been added, it is assumed that the site wants Forms authentication and no additional configuration is needed.