Implementing Authentication and Access Control
The standard specifying Port-based Network Access Control (NAC) for LANs and wireless LANs (WLANs) is the Institute of Electrical and Electronics Engineers (IEEE) 802.1X standard. 802.1X is a standalone authentication specification (as opposed to an amendment of another specification) and is therefore noted with a capital X, per the IEEE naming standards. This IEEE specification addresses authentication mechanisms for environments that require robust security and access control.
Central to the 802.1X specification is the mechanism for per-user and per-device authentication. The process calls out three entities:
- Supplicant—A client device looking to connect to the network
- Authenticator—A network ...
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