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CompTIA Security+ All-in-One Exam Guide, Third Edition by Chuck Cothren, Roger Davis, Dwayne Williams, Gregory White, Wm. Arthur Conklin

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The Remote Access Process

The process of connecting by remote access involves two elements: a temporary network connection and a series of protocols to negotiate privileges and commands. The temporary network connection can occur via a dial-up service, the Internet, wireless access, or any other method of connecting to a network. Once the connection is made, the primary issue is authenticating the identity of the user and establishing proper privileges for that user. This is accomplished using a combination of protocols and the operating system on the host machine.

The three steps in the establishment of proper privileges are authentication, authorization, and accounting (AAA). Authentication is the matching of user-supplied credentials to previously ...

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