802.1X Port−Based Authentication HOWTO
Lars Strand
<lars strand (at) gnist org>
2004−08−18
Revision History
Revision 1.0
2004−10−18
Revised by: LKS
Initial Release, reviewed by TLDP.
Revision 0.2b
2004−10−13
Revised by: LKS
Various updates. Thanks to Rick Moen <rick (at) linuxmafia com> for language review.
Revision 0.0
2004−07−23
Revised by: LKS
Initial draft.
This document describes the software and procedures to set up and use IEEE 802.1X Port−Based Network
Access Control using Xsupplicant as Supplicant with FreeRADIUS as a back−end Authentication Server.
Table of Contents
1. Introduction.....................................................................................................................................................1
1.1. What is 802.1X?................................................................................................................................1
1.2. What is 802.11i?...............................................................................................................................3
1.2.1. WEP.........................................................................................................................................3
1.2.2. 802.11i.....................................................................................................................................3
1.2.3. Key Management....................................................................................................................3
1.2.4. TSN (WPA) / RSN (WPA2)...................................................................................................5
1.3. What is EAP?....................................................................................................................................6
1.4. EAP authentication methods.............................................................................................................6
1.5. What is RADIUS?.......................................................................................................................