Summary
The focus of this chapter was on access control and identity management. The key difference between authentication and identification is that authentication means someone has accurate information, while identification means the accurate information is proven to be in possession of the correct individual.
The most basic form of authentication is known as single factor authentication (SFA) because only one set of values is checked. To increase security, it is necessary to move to multifactor authentication, which involves two or more values that are checked.
This chapter examined the various types of authentication services in use, including RADIUS and different variations of TACACS. It also looked at tunneling protocols, smart cards, and ...
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