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Tell me What are the different types of actors involved in Authentication and Authorization?


There are two types of actors that are required for authentication and authorization:
User or administrator of the system who has the rights to start and stop the instances of the system.
Components of the systems that are required to be present to fully utilize the requests.
The authentication on ubuntu cloud is being performed by X509 certificate that consists of cryptographic keys for authentication and secure communications between all the actors.

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Do you know how does networking play an important role in security?Do you know what are the steps involved in authenticating and authorizing the user?