The AAA Protocol (Part 1)
Written on April 2, 2008 by editor
The AAA Protocol (Authentication, Authorization, and Accounting) is a model designed to make computers secure.
Authentication is proving who you are. It refers to the process of establishing the digital identity of one entity to another entity (a user, client, computer, etc. to a server or computer). It is traditionally accomplished by using passwords but can include two factor authentication, one-time tokens, digital certificate, phone numbers, and biometrics. This comes before authorization because the entity’s identity must be checked before it is allowed access to the system.
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