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NAMEradius.conf —
RADIUS client configuration file
SYNOPSIS/etc/radius.confDESCRIPTIONradius.conf contains the information necessary to
configure the RADIUS client library. It is parsed by
rad_config(3).
The file contains one or more lines of text, each describing a single RADIUS
server which will be used by the library. Leading white space is ignored, as
are empty lines and lines containing only comments.
A RADIUS server is described by three to seven fields on a line:
The fields are separated by white space. The
‘ The first field gives the service type, either
‘ The second field specifies the server host, either as a fully
qualified domain name or as a dotted-quad IP address. The host may
optionally be followed by a ‘ The third field contains the shared secret, which should be known only to the client and server hosts. It is an arbitrary string of characters, though it must be enclosed in double quotes if it contains white space. The shared secret may be any length, but the RADIUS protocol uses only the first 128 characters. N.B., some popular RADIUS servers have bugs which prevent them from working properly with secrets longer than 16 characters. The fourth field contains a decimal integer specifying the timeout in seconds for receiving a valid reply from the server. If this field is omitted, it defaults to 3 seconds. The fifth field contains a decimal integer specifying the maximum number of attempts that will be made to authenticate with the server before giving up. If omitted, it defaults to 3 attempts. Note, this is the total number of attempts and not the number of retries. The sixth field contains a decimal integer specifying a time interval in seconds when the server will not requested if it was inaccessible on the last try. 0 means ask always. The seventh field contains an IP address on multihomed host. All requests will be binded to this IP. Up to 10 RADIUS servers may be specified for each service type. The servers are tried in round-robin fashion, until a valid response is received or the maximum number of tries has been reached for all servers. The standard location for this file is /etc/radius.conf. But an alternate pathname may be specified in the call to rad_config(3). Since the file contains sensitive information in the form of the shared secrets, it should not be readable except by root. FILES
EXAMPLES# A simple entry using all the defaults: acct radius1.domain.com OurLittleSecret # A server still using the obsolete RADIUS port, with increased # timeout and maximum tries: auth auth.domain.com:1645 "I can't see you" 5 4 # As above but set dead time and bind address auth auth.domain.com:1645 "I can't see you" 5 4 60 192.168.1.8 # A server specified by its IP address: auth 192.168.27.81 $X*#..38947ax-+= SEE ALSOlibradius(3)C. Rigney, et al, Remote Authentication Dial In User Service (RADIUS), RFC 2138. C. Rigney, RADIUS Accounting, RFC 2139. AUTHORSThis documentation was written by John Polstra, and donated to the FreeBSD project by Juniper Networks, Inc.
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