KLUG Weekly Meeting Notes

Tuesday, January 24, 2006



Presented by Adam Williams

Adam has posted his presentation here:


Adam Williams spelled it out with a 42 slide Impress presentation,
"Wireless Alphabet Soup." He showed what it takes to configure
an OpenRADIUS server to handle wireless network authentication.
We saw yet another useful Open Source GPL’d software solution.

This presentation covered setting up a RADIUS service to provide
support for EAP authentication via your wireless network. OpenRADIUS
can authenticate users against your LDAP DSA, CIFS Domain Controller,
or a multitude of other sources (including flat files).
RADIUS stands for Remote Authentication Dial-In User Service.

Originally used by ISP’s to control the banks of dial-up modems,
OpenRADIUS is used for wireless network authentication services.
Adam told us how it all fits together. He explained the 802.11i goals
for security. The descriptions for setting up a WPA network will get
you to the goal of a working authentication service. He showed how
to configure the various files to get the desired result.

RADIUS is the protocol used by EAP servers to authenticate EAP users;
and OpenRADIUS is an Open Source service that provides RADIUS
service from any UNIX like platform (LINUX, BSD, etc...). EAP
(Extensible Authentication Protocol) is a standard for authenticating
network clients, most commonly used for wireless devices ("Supplicants").
EAP is an 802.1x standard that allows developers to pass security
authentication data between RADIUS and the access point (AP) and
wireless client. EAP has a number of variants, including: EAP MD5,
EAP-Tunneled TLS (EAP-TTLS), Lightweight EAP (LEAP), and
Protected EAP (PEAP).

(18 Linux Enthusiasts Attending)

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