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Using RADIUS to Authenticate Users
This section provides a description of RADIUS and explains how to configure PortServer TS 8/16
to use RADIUS.
What is RADIUS?
RADIUS (remote authentication dial-in user service) is a method of maintaining a database of
profiles of dial-in users. These profiles can include login and password information, as well as other
user attributes.
RADIUS Components
RADIUS requires two components, an authentication host server and client protocols. The
PortServer TS 8/16 implements the client protocol. A host must implement the authentication server
application.
RADIUS Table Key
The numbers in the following tables have the following meaning:
0
0+
0-1
1
RADIUS Attributes (RFC 2138) Supported
The following attributes are supported in the Digi PortServer TS 8/16 RADIUS client
implementation.
Request
1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0
0
0
0+
0+
0
0
0
0
12-4
#
This attribute must not be present.
Zero or more instances of this attribute may be
present.
Zero or one instance of this attribute may be
present.
Exactly one instance of this attribute must be
present.
Accept
Reject
0
0
0
0
0
0
0
0
0
0
0-1
0
0-1
0
0-1
0
0-1
0
0-1
0
0+
0
0-1
0
0+
0
0+
0
0-1
0
0-1
0
0-1
0
0-1
0
Meaning
Challenge
#
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
13
0
14
0
15
0
16
0-1
27
0-1
28
Using RADIUS to Authenticate Users
Attribute
User-Name
User-Password
CHAP-Password
NAS-IP-Address
NAS-Port
Service-Type
Framed-Protocol
Framed-IP-Address
Framed-IP-Netmask
Framed-Routing
Filter-Id
Framed-MTU
Framed Compression
Login-IP-Host
Login-Service
Login-TCP-Port
Session-Timeout
Idle-Timeout
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