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Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 20 RADIUS and Internet Authentication Service.

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Presentation on theme: "Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 20 RADIUS and Internet Authentication Service."— Presentation transcript:

1 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 20 RADIUS and Internet Authentication Service

2 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 2 RADIUS and Internet Authentication Service Overview of RADIUS RADIUS in action RADIUS in Windows Server 2003 RADIUS message structure RADIUS messages

3 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 3 Overview of RADIUS Provides authentication, authorization, and accounting (AAA) services Uses UDP ports 1812 and 1813 Access client RADIUS client (NAS device) RADIUS server Access Request Access Accept/Reject Accounting Request Accounting Response

4 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 4 RADIUS Proxy Forwards RADIUS messages between RADIUS clients and servers Access client RADIUS client (NAS device) RADIUS server RADIUS Request RADIUS Response RADIUS proxy RADIUS Request RADIUS Response

5 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 5 RADIUS in Action RADIUS authentication RADIUS accounting RADIUS proxy RADIUS attributes Access client RADIUS client (NAS device) RADIUS proxy RADIUS Request RADIUS Response RADIUS proxy RADIUS Request RADIUS Response RADIUS server RADIUS Request RADIUS Response

6 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 6 RADIUS in Windows Server 2003 RADIUS authentication in Routing and Remote Access RADIUS accounting in Windows Server 2003 RADIUS proxy in Windows Server 2003

7 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 7 RADIUS Message Structure Code Identifier Length Authenticator Attributes...

8 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 8 RADIUS Attribute Format Type Length Value...

9 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 9 Vendor-Specific Attribute Format Type Length Vendor ID Value = 26...

10 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 10 Vendor-Specific Attribute Format Type Length Vendor ID Vendor Type Vendor Length Value = 26...

11 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 11 RADIUS Messages Authentication Access-Request Access-Challenge Access-Accept Access-Reject Accounting Accounting-Request Accounting-Response

12 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 12 Review Overview of RADIUS RADIUS in action RADIUS in Windows Server 2003 RADIUS message structure RADIUS messages

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