authentication provider

Definition of authentication provider in The Network Encyclopedia.

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What is Authentication Provider (in computer networking)?

In Internet Connection Services for Microsoft Remote Access Service (RAS), a database for providing authentication, access, and accounting information for the users in a given realm. An authentication provider is a server that is used by Internet Authentication Service (IAS) to map a Remote Authentication Dial-In User Service (RADIUS) authentication request to a database containing user credentials. The authentication provider can verify or deny whether the individual exists in the database and return this information to the IAS server. Choices for authentication providers are

  • A Microsoft Window NT or Windows 2000 domain controller
  • A Local Users file on the IAS server
  • An open database connectivity (ODBC)–compliant database
  • A Microsoft Commercial Internet System (MCIS) membership database