A RADIUS client is a network device or a software
application that contacts ClearBox Server when it needs to
authenticate a user or to record network connection accounting
information. RADIUS clients are often referred as NAS, Network
Access Servers. A client sends authentication or accounting request
to ClearBox server. Then the server checks the authenticity of a
user and replies with either accept or reject messages.
You may specify the list of authorized clients in several
- Plain list of clients known to the
server. You should then manually create then a node for each
client, define its IP address and a secret shared with the
- List of clients stored in a database
table. When defined, the server loads this list at startup. All
you need it to select a database
source where the list of clients is stored, and a SQL query
This option may be useful when the number of clients is too high,
or it's easier to manage them in a database table.
- Client secrets and addresses queried dynamically by the server at
run-time when it receives a request from unknown client. It may be
used when clients are added to a database dynamically and are not
known at the server startup.
A client may have a default realm. If
no realm is chosen by realm selection rules, then this client's
default realm is used for packet processing.
See how to configure a client.
How to add a new client:
1. Right-click the 'RADIUS clients' node in the left tree and
select 'Add New Client':
2. Type the new client name instead of <new id> text:
3. Configure its settings and click
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