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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.
In Windows Server 2008, Network Policy Server (NPS) replaces the Internet Authentication Service (IAS). NPS performs all of the functions of IAS in Windows Server 2003 for VPN and 802.1X-based wireless and wired connections and performs health evaluation and the granting of either unlimited or limited access for Network Access Protection clients.
A supplicant, in some contexts, refers to a user or to a client in a network environment seeking to access network resources secured by the IEEE 802.1X authentication mechanism. But saying "user" or "client" overgeneralizes; in reality, the interaction takes place through a personal computer , an Internet Protocol (IP) phone, or similar network ...
IEEE 802.1X RADIUS Usage Guidelines: September 2003: 802.1X: RFC 4014: RADIUS Attributes Suboption for the DHCP Relay Agent Information Option: February 2005: RFC 4372: Chargeable User Identity: January 2006: RFC 4590: RADIUS Extension for Digest Authentication: July 2006: Obsoleted by RFC 5090: RFC 4668: RADIUS Authentication Client MIB for ...
When a server running NPS is a member of an Active Directory Domain Services (AD DS) domain, NPS uses the directory service as its user account database and is part of a single sign-on solution. The same set of credentials is used for network access control (authenticating and authorizing access to a network) and to log on to an AD DS domain.
NAP enforcement points can be IEEE 802.1X-capable switches or VPN servers, DHCP servers, or Health Registration Authorities (HRAs) that run Windows Server 2008 or later. The NAP health policy server is a computer running the Network Policy Server (NPS) service in Windows Server 2008 or later that stores health requirement policies and provides ...
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).
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.