Types Of Radius Messages - ZyXEL Communications ZyXEL ZyWALL 2WE User Manual

ZyWALL 2 and ZyWALL 2WE
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Authentication
Determines the identity of the users.
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Authorization
Determines the network services available to authenticated users once they are connected to the
network.
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Accounting
Keeps track of the client's network activity.
RADIUS is a simple package exchange in which your ZyWALL acts as a message relay between the wireless
client and the network RADIUS server.

Types of RADIUS Messages

The following types of RADIUS messages are exchanged between the access point and the RADIUS server
for user authentication:
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Access-Request
Sent by an access point requesting authentication.
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Access-Reject
Sent by a RADIUS server rejecting access.
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Access-Accept
Sent by a RADIUS server allowing access.
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Access-Challenge
Sent by a RADIUS server requesting more information in order to allow access. The access point
sends a proper response from the user and then sends another Access-Request message.
The following types of RADIUS messages are exchanged between the access point and the RADIUS server
for user accounting:
•
Accounting-Request
Sent by the access point requesting accounting.
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Accounting-Response
Sent by the RADIUS server to indicate that it has started or stopped accounting.
8-4 Wireless LAN Security Setup