10.11. Security Through 802.1x
802.1x is a protocol that Apple added to Mac OS with Leopard. The 802.1x standard can greatly increase the security of a network environment by requiring users to authenticate before they can access the local network for Ethernet or wireless networks. The 802.1x standard can use a third-party authentication authority, such as Open Directory or Active Directory, or you can use pre-shared keys. Authentication to the network rather than just the computer is a fairly new concept for most Mac environments. This level of advanced networking is fairly complex and must be given an appropriate level of planning.
Enabling 802.1x is accomplished by opening System Preferences, clicking the Network pane, choosing the appropriate ...
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