Microsoft Nps 802.1x Mac Authentication

07.04.2020

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Applies To: Windows Vista, Windows XP, Windows Server 2008, Windows 7, Windows 8.1, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2012, Windows 8

This document provides introductory information about Institute of Electrical and Electronics Engineers (IEEE) 802.1X authenticated access for IEEE 802.3 wired Ethernet connections. Links to resources with information about technologies that are closely related to 802.1X Authenticated Wired Access, or otherwise relevant to wired access are also provided.

Note

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In addition to this topic, the following 802.1X Authenticated Wired Access documentation is available.What's New in 802.1X Authenticated Wired Access

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Netsh Commands for Wired Local Area Network (LAN) in the Windows Server 2008 R2 and Windows Server 2008 technical library on TechNet.
802.1X Authenticated Wired Access in the Windows Server 2008 R2 and Windows Server 2008 technical library on TechNet.

Feature description

IEEE 802.1X authentication provides an additional security barrier for your intranet that you can use to prevent guest, rogue, or unmanaged computers that cannot perform a successful authentication from connecting to your intranet.

For the same reason that administrators deploy IEEE 802.1X authentication for IEEE 802.11 wireless networks—enhanced security—network administrators want to implement the IEEE 802.1X standard to help protect their wired network connections. Just as an authenticated wireless client must submit a set of credentials to be validated before being allowed to send wireless frames to the intranet, an IEEE 802.1X wired client must also perform authentication prior to being able to send traffic over its switch port.

Betreff: - Re: 802.1x MAB with Microsoft NPS ieee802Device object group. Cisco Support Community Re: 802.1x MAB with Microsoft NPS ieee802Device object group. Created by Scott Li in Other Security Subjects - View the full discussion. MAC-Based Access Control is one method for preventing unauthorized access to the Wireless LAN. This article discusses how MAC-Based Access Control works and provides step-by-step configuration instructions for Microsoft NPS and Dashboard. MAC-Based Access Control. It is critical to control which devices can access the wireless LAN. The 802.1X Wireless paper that I mentioned in my previous post, the Windows Server 2012 Core Network Companion Guide: Deploying Password-based 802.1X Authenticated Wireless Access, is now available for download in Word format from the Microsoft Download Center, at November 5, 2012 By James McIllece.

2018-5-19 目标 NPS是Windows服务器操作系统自带的一款Radius服务器，可以提供类似Cisco I运维 802.1X本身并不算太难，确切的说命令的繁琐，实验环境难以搭建（虚拟机+物理交换机）。. My existing wireless users have no issue logging in via 802.1x by supplying domain user name and password without any certificate requirement. I've just purchased a Aruba Controller. I have configured the controller as a Radius client to the same NPS. Confgured a SSID to use 802.1x on the Aruba controller.

Important terminology and technology overviews

Following are overviews that will help you to understand the various technologies that are required to deploy 802.1X authenticated wired access.

Note

In this document, 802.1X authenticated wired access is referred to as wired access.

IEEE 802.1X

The IEEE 802.1X standard defines the port-based network access control that is used to provide authenticated wired access to Ethernet networks. This port-based network access control uses the physical characteristics of the switched Local Area Network (LAN) infrastructure to authenticate devices attached to a LAN port. Access to the port can be denied if the authentication process fails. Although this standard was designed for wired Ethernet networks, it has also been adapted for use on 802.11 wireless LANs.

IEEE 802.1X-capable wired Ethernet switches

To deploy 802.1X wired access you must install and configure one or more 802.1X-capable Ethernet switches on your network. The switches must be compatible with the Remote Authentication Dial-In User Service (RADIUS) protocol.

When 802.1X and RADIUS-compliant switches are deployed in a RADIUS infrastructure, with a RADIUS server such as an NPS server, they are called RADIUS clients.

IEEE 802.3 Ethernet

IEEE 802.3 is a collection of standards that defines the Layer-1 (physical layer) and Layer-2 (data-link layer media access control (MAC)) of wired Ethernet. 802.3 Ethernet is typically implemented on a LAN, and also in some wide area network (WAN) applications.

Network Policy Server

Network Policy Server (NPS) lets you centrally configure and manage network policies by using the following three components: RADIUS server, RADIUS proxy, and Network Access Protection (NAP) policy server. NPS is required to deploy 802.1X wired access.

Server certificates

Wired access deployment requires server certificates for each NPS server that performs 802.1X authentication.

A server certificate is a digital document that is commonly used for authentication and to help secure information on open networks. A certificate securely binds a public key to the entity that holds the corresponding private key. Certificates are digitally signed by the issuing certification authority (CA), and they can be issued for a user, a computer, or a service.

A CA is an entity responsible for establishing and vouching for the authenticity of public keys that belong to subjects (usually users or computers) or other CAs. Activities of a CA can include binding public keys to distinguished names through signed certificates, managing certificate serial numbers, and revoking certificates.

Active Directory Certificate Services (AD CS) is a Windows Server 2012 server role that issues certificates as a network CA. An AD CS certificate infrastructure, also called a public key infrastructure (PKI), provides customizable services for issuing and managing certificates for the enterprise.

EAP

Extensible Authentication Protocol (EAP) extends Point-to-Point Protocol (PPP) by enabling additional authentication methods that use credential and information exchanges of arbitrary lengths. With EAP authentication, both the network access client and the authenticator (such as an NPS server) must support the same EAP type for successful authentication to occur.

New and changed functionality

In Windows Server 2012, wired access includes only minimal changes to the wired access solution provided in Windows Server 2008 R2. That change is summarized as follows:

Feature/functionality	Previous operating system	New operating system
The addition of EAP-Tunneled Transport Layer Security (EAP-TTLS) to the list of network authentication methods that are included by default	Not included	Included by default

Content type	References
Product evaluation	IEEE 802.1X Authenticated Wired Access – Cable Guy article
Planning	Windows Server 2008 802.1X Authenticated Wired Access Design Guide
Deployment	Windows Server 2008 802.1X Authenticated Wired Access Deployment Guide Windows Server 2008 R2 Core Network Companion Guide: Deploying Password-based 802.1X Authenticated Wireless Access
Operations	Windows Server 2008 R2 Netsh Commands for Wired Local Area Network (LAN)
Troubleshooting	Windows Server 2008 R2 Network Diagnostics Framework (NDF) and Network Tracing
Security	Not applicable
Tools and settings	Content not available
Community resources	Content not available
Related technologies	Windows Server 2008 R2 802.1X Authenticated Wireless Access Windows Server 2008 R2 Network Policy and Access Services

Feature description

For the same reason that administrators deploy IEEE 802.1X authentication for IEEE 802.3 wired networks—enhanced security—network administrators want to implement the IEEE 802.1X standard to help protect their wireless network connections. Just as an authenticated wired client must submit a set of credentials to be validated before being allowed to send frames over the wired Ethernet intranet, an IEEE 802.1X wireless client must also perform authentication prior to being able to send traffic over its wireless access point (AP) port, and over the network.

Important terminology and technology overviews

Following are overviews that will help you to understand the various technologies that are required to deploy 802.1X authenticated wireless access.

Note

In this document, 802.1X authenticated wireless access is referred to as WiFi access.

IEEE 802.1X

The IEEE 802.1X standard defines the port-based network access control that is used to provide authenticated WiFi access to corporate networks. This port-based network access control uses the physical characteristics of the 802.1X capable wireless APs infrastructure to authenticate devices attached to a LAN port. Access to the port can be denied if the authentication process fails. Although this standard was first designed for wired Ethernet networks, it has also been adapted for use on 802.11 wireless LANs.

IEEE 802.1X-capable wired Ethernet switches

To deploy 802.1X wireless access you must install and configure one or more 802.1X-capable wireless APs on your network. The wireless APs must be compatible with the Remote Authentication Dial-In User Service (RADIUS) protocol.

When 802.1X and RADIUS-compliant wireless APs are deployed in a RADIUS infrastructure, with a RADIUS server such as an NPS server, they are called RADIUS clients.

IEEE 802.11 wireless