RADWHOSection: FreeRADIUS Daemon (1)
Updated: 17 Feb 2013
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NAMEradwho - show online users
SYNOPSISradwho [-c] [-d raddb_directory] [-F radutmp_file] [-i] [-n] [-N nas_ip_address] [-p] [-P nas_port] [-r] [-R] [-s] [-S] [-u user] [-U user] [-Z]
DESCRIPTIONThe FreeRADIUS server can be configured to maintain an active session database in a file called radutmp. This utility shows the content of that session database.
- Shows caller ID (if available) instead of the full name.
- -d raddb_directory
- The directory that contains the RADIUS configuration files. Defaults to /etc/raddb.
- -F radutmp_file
- The file that contains the radutmp file. If this is specified, -d is not necessary.
- Shows the session ID instead of the full name.
- Normally radwho looks up the username in the systems password file, and shows the full username as well. The -n flags prevents this.
- -N nas_ip_address
- Show only those entries which match the given NAS IP address.
- Adds an extra column for the port type - I for ISDN, A for Analog.
- -P nas_port
- Show only those entries which match the given NAS port.
- Outputs all data in raw format - no headers, no formatting, fields are comma-separated.
- Output all data in RADIUS attribute format. All fields are printed.
- Show full name.
- Hide shell users. Doesn't show the entries for users that do not have a SLIP or PPP session.
- -u user
- Show only those entries which match the given username (case insensitive).
- -U user
- Show only those entries which match the given username (case sensitive).
- When combined with -R, prints out the contents of an Accounting-Request packet which can be passed to radclient, in order to "zap" that users session from radutmp.
$ radwho -ZRN 10.0.0.1 | radclient -f - radius.example.net acct testing123
To "zap" one user, specify NAS, username, and NAS port:
$ radwho -ZRN 10.0.0.1 -u user -P 10 | radclient -f - radius.example.net acct testing123
SEE ALSOradiusd(8), radclient(1), radiusd.conf(5).
AUTHORMiquel van Smoorenburg, email@example.com.
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Time: 22:15:42 GMT, June 12, 2018