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Cisco Wireless LAN Security by Andrew Balinsky, Darrin Miller, Krishna Sankar, Sri Sundaralingam

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Authentication and Identity Protocols

In the wireless world, you need to ascertain the identity of the users (and devices) using authentication mechanisms. This is important because access control is established depending on the user’s identity. For example, users belonging to an organization would be allowed access to its internal network, whereas guests would only be allowed Internet access.

Note

In many environments, after you establish a peer-to-peer link-level connection, additional access control mechanisms you can sometimes deploy at higher levels of the protocol stack—for example, permitting access to hosts with certain IP addresses accessing specific applications. Also, you can assign virtual LANs and subnets to users depending on their ...

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