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RADZAP(1)				FreeRadius Daemon				RADZAP(1)

NAME
       radzap - remove rogue entries from the active sessions database

SYNOPSIS
       radzap  [-d  raddb_directory]  [-h]  [-N nas_ip_address] [-P nas_port] [-u user] [-U user]
       [-x] server[:port] secret

DESCRIPTION
       The FreeRadius server can be configured to maintain an active session database in  a  file
       called radutmp. Commands like radwho(1) use this database. Sometimes that database can get
       out of sync, and then it might contain rogue entries. radzap can clean up this database.

       As of FreeRADIUS 1.1.0, radzap is a simple shell-script wrapper around radwho(1) and  rad-
       client(1).

       The  sessions  are  "zapped"  by  sending  an Accounting-Request packet which contains the
       information necessary for the server to delete the session record.  radzap sends a  packet
       to  the	server, rather than writing to radutmp directly, because session records may also
       be maintained in SQL.

OPTIONS
       -d raddb_directory
	      The  directory  that  contains  the  RADIUS  configuration  files.   radzap   reads
	      radiusd.conf to determine the location of the radutmp file.

       -h     Print usage help information.

       -N nas_ip_address
	      Zap the entries which match the given NAS IP address.

       -P nas_port
	      Zap the entries which match the given NAS port.

       -u user
	      Zap the entries which match the given username (case insensitive).

       -U user
	      Zap the entries which match the given username (case sensitive).

       -x     Enable debugging output.

       server[:port]
	      The hostname or IP address of the remote server. Optionally a UDP port can be spec-
	      ified. If no UDP port is specified, it is looked up in /etc/services.  The  service
	      name  looked  for  is  radacct  for  accounting  packets,  and radius for all other
	      requests. If a service is not found  in  /etc/services,  1813  and  1812	are  used
	      respectively.

       secret The  shared  secret  for	this client.  It needs to be defined on the radius server
	      side too, for the IP address you are sending the radius packets from.

SEE ALSO
       radwho(1), radclient(1), radiusd(8), radiusd.conf(5).

AUTHOR
       Alan DeKok <aland@ox.org>

					   8 April 2005 				RADZAP(1)
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