IGAP-420/620/6620 Series
User’s Manual
ORing Industrial Networking Corp. 26
RADIUS
(Remote Authentication Dial-in User Service) is the industrial standard
agreement, and it is used to provide an identify verification. The Radius customer (is
usually a dial-in server, VPN server or wireless point) send your proof and the
conjunction parameter to the Radius server by Radius news. The Radius server
validates the request of the Radius customer, and return Radius news to back.
Radius server validates your proof, also carry on the authorization. So the Radius
server received by ISA server responded (point out the customer carries proof to be not
granted) and it means that the Radius server did not authorize you to carry. Even if the
proof has already passed an identify verification, the ISA server may also refuse you to
carry a claim according to the authorization strategy of the Radius server.
The principle of the Radius server shows in the following pictures: