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Implementing 802.1x Authentication
- 1. 802.1X Authentication Deniz Kaya Microsoft, Cisco, Ironport Trainer CCSI, CCNP, MCT, MCSE, ICSI, ICSP, CPTS
- 2. … While the Assets Needing to be Protected are Expanding Service Provider/ Internet Teleworker City Hall VPN Head-End Cable Provider 831 Library Partner/Vendor One physical network, must accommodate multiple logical networks (user groups) each with own rules. Airport
- 3. IDENTITY: So, you said MAC Address ? Win 2K & XP allow easy change for MAC addresses MAC address is not an authentication mechanism…
- 6. Some IEEE Terminology AAA/RADIUS Server Authentication Server Network Access Device Authenticator Client Supplicant Normal People Terms IEEE Terms
- 9. 802.1x – enhancing LAN security Topology
- 13. 802.1x in Microsoft Windows Machine and user authentication Startup Machine Machine credentials available (use machine credentials) Machine authentication success Machine authentication failure User logon User credentials available (use user credentials) User authentication success User authentication failure User logoff
- 17. EAP TLS GSS_API Kerberos PEAP MS-CHAPv2 TLS IKE MD5 EAP PPP 802.3 802.5 802.11 Other… method layer EAP layer media layer
- 19. 802.1x authentication client EAP methods – wired and wireless networks
- 20. EAP with MD5 Authenticator Peer cleartext password cleartext password Random challenge identity-request identity-response (username) success or failure MD5-challenge -request MD5-challenge -response R = MD5(password,challenge) Check that MD5(password,challenge) equals the response
Hinweis der Redaktion
- My name is Deniz Kaya and today I will be speaking about 802.1x authentication standard, how to configure it on Cisco Catalyst Switches and also 802.1x authentication client in Microsoft Windows. In the year 2000, IEEE created the 802.1x specification. This was done to further protect wired and wireless networks. First of all, I want to lay the groundwork of what 802.1x authentication really is, and how it enhances network security. We'll talk briefly about the specifics of the protocol, and we'll also get into implementation and EAP methods (Extensible Authentication Protocol methods). And then we'll talk about the kind of configuration and the type of scenarios that you'll be using 802.1x in.