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6 About RSA RADIUS Server September 2005
X The RADIUS shared secret to be used by the RSA RADIUS Server and the
client device. For information on RADIUS shared secrets, see “Shared
Secrets” on page 6.
X The UDP ports on which to send and receive RADIUS authentication and
accounting packets. RSA RADIUS Server uses UDP ports 1645 and 1812 for
authentication and UDP ports 1646 and 1813 for accounting. For more
information, see “RADIUS Ports” on page 8.
Shared Secrets
A shared secret is a text string that serves as a password between hosts.
RSA RADIUS Server uses three types of shared secrets:
X RADIUS secret – Used to authenticate communication between a RADIUS
server and a RADIUS client
X Replication secret – Used to authenticate communication between a primary
RADIUS server and a replica RADIUS server
X Node secret – Used to authenticate communication between a RADIUS
server and an RSA Authentication Manager server.
Figure 2 Shared Secrets
Replica
RADIUS
Server
Replica
RADIUS
Server
Primary
RADIUS
Server
RSA
Authentication
Manager Server
Access
Point
Remote Access
Server (RAS)
802.1X-Compatible
Switch
Virtual Private
Network
Replication
Secret
RADIUS
Secret
Replication
Secret
Node
Secret