
Fundamentals of User Authentication in 802.11
corporate Intranets has exploded in the last decade, both due to an increasingly mobile work-
force and also due to the burgeoning 802.3 and 802.11 access available at public facilities
around the world. RADIUS remains a key component for a traveling businessperson accessing
a home network via dial-up access as well as for hotel-based 802.3 wired networks and a
variety of public 802.11 facilities. The authentication request that emanates from such globally
roaming users will often first reach a RADIUS server that has no knowledge about the authenti-
cating individual. However, such an authentication request ...