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System authentication handler

Diffusion™ Cloud provides an authentication handler that uses principal, credential, and roles information stored in Diffusion Cloud to make its authentication decision.

System authentication store

The principal, credentials, and role information located in the system authentication store is used by the system authentication handler to authenticate users.

The system authentication store is designed to hold information about Diffusion Cloud administration users and system clients. It can manage hundreds or perhaps thousands of principals, but does not provide the administration tools necessary to support millions of principals. We recommend that you delegate such "internet scale" use cases to a third-party identity provider using a custom authentication handler. For example, by using the OAuth or OpenID protocol.

You can see the principals defined in the system authentication store in the System Users table of the Diffusion Cloud dashboard.
Note: By default, Cloud services are configured with an administrative user with a randomly generated name that is not shown in the Cloud dashboard. However, this principal is present in the store and is used by the dashboard to get information from Diffusion Cloud . To ensure that your Diffusion Cloud dashboard can connect to Diffusion Cloud , do not delete or modify this user and ensure that no user-written authentication handlers deny the principal access.

The hash scheme used is PBKDF-SHA256-1000.

Behavior of the system authentication handler

The system authentication handler behaves in the following way:
  • If anonymous connections are allowed in the system authentication store and a client session connects anonymously, the system authentication handler returns an ALLOW decision and the list of roles an anonymous client session is assigned.
  • If anonymous connections are not allowed in the system authentication store and a client session connects anonymously, the system authentication handler returns a DENY decision.
  • If a client session connects with a principal listed in the system authentication store and the correct credentials, the system authentication handler returns an ALLOW decision and the list of roles that client session is assigned.
  • If a client session connects with a principal listed in the system authentication store and incorrect credentials, the system authentication handler returns a DENY decision.
  • If a client session connects with a principal that is not listed in the system authentication store, the system authentication handler returns an ABSTAIN decision.