Authentication Server An authentication database, usually a radius server such as Cisco ACS*, Funk Steel-Belted RADIUS*, or Microsoft IAS*.Įxtensible Authentication Protocol (EAP) is used to pass the authentication information between the supplicant (the Wi-Fi workstation) and the authentication server (Microsoft IAS or other).Supplicant A software client running on the Wi-Fi workstation.There are three basic pieces to 802.1X authentication: If not successfully authorized, a virtual port isn't made available and communications are blocked. If a Wi-Fi user is authenticated via 802.1X for network access, a virtual port is opened on the access point allowing for communication. As a result, this type of authentication method is extremely useful in the Wi-Fi environment due to the nature of the medium. However, these users may find the topics interesting for informational purposes.Ĩ02.1X is a port access protocol for protecting networks via authentication. This data isn't intended for home or small-office users who typically don't use advanced security features such as those discussed within this page.
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