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Single Sign On
As users access more and more network
services on more and more systems, thought has been given to the idea
of centralizing the user authentication process with a goal of
simplifying it and making it more secure. The idea of
a single sign on (SSO), now also referred to as federated
identity, is to increase security while at the same time reducing
the inconvenience to users of having to remember a different password
for each service. Single sign on separates the process of authenticating
a user, or letting the user prove that he/she is who she claims
to be, from the process of authorizing a user to perform individual
functions on the network. The single sign-on process authenticates
the user and provides them with a security token indicating
their identity. Network services can then examine this token
to determine whether or not that particular user is permitted
access to that service.
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CertiGuide for Network+ (http://www.CertiGuide.com/netplus/) on CertiGuide.com
Version 1.0 - Version Date: November 7, 2004
Adapted with permission from a work created by Tcat Houser and Helen O’Boyle.
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