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IEEE 802.1X is an IEEE Standard for port-based network access control (PNAC). It is part of the IEEE 802.1 group of networking protocols. It provides an authentication mechanism to devices wishing to attach to a LAN or WLAN.
On a Windows machine, taking an example of Windows 8, one should make sure to enable one's client to act as a supplicant by going to the Network Properties of the Network Interface Card (NIC), and from the Authentication tab, "Enable IEEE 802.1X authentication" need to be checked.
A basic form of NAC is the 802.1X standard. Network access control aims to do exactly what the name implies—control access to a network with policies, including pre-admission endpoint security policy checks and post-admission controls over where users and devices can go on a network and what they can do.
AEGIS SecureConnect (or simply AEGIS) is the former name of a network authentication system used in IEEE 802.1X networks. [1] It was developed by Meetinghouse Data Communications, Inc.; the system was renamed "Cisco Secure Services Client" when Meetinghouse was acquired by Cisco Systems. [2]
MS-CHAP is used as one authentication option in Microsoft's implementation of the PPTP protocol for virtual private networks.It is also used as an authentication option with RADIUS [2] servers which are used with IEEE 802.1X (e.g., WiFi security using the WPA-Enterprise protocol).
It was later brought into IEEE 802 and IETF standards. RADIUS is a client/server protocol that runs in the application layer , and can use either TCP or UDP . Network access servers , which control access to a network, usually contain a RADIUS client component that communicates with the RADIUS server. [ 1 ]
IEEE 802.1 is a working group of the IEEE 802 project of the IEEE Standards Association. ... Enhancements to Bridging of 802.11 Media ... Maintenance to 802.1X-2001
EAP was originally developed for PPP(Point-to-Point Protocol) but today is widely used in IEEE 802.3, IEEE 802.11(WiFi) or IEEE 802.16 as a part of IEEE 802.1x authentication framework. The latest version is standardized in RFC 5247.