Man page of rlm_counter
rlm_counter
Section: FreeRADIUS Module (5)
Updated: 13 March 2004
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NAME
rlm_counter - FreeRADIUS Module
DESCRIPTION
The rlm_counter module provides a general framework to
allow access based on accumulated usage of a resource, such as
total time online in a given period, total data transferred in
a given period, etc. This is very useful in a 'Prepaid Service'
situation, where a user has paid for a finite amount of usage
and should not be allowed to use more than that service. Collection,
monitoring, and replenishment of prepaid services are beyond the
scope of this module.
The main configuration items to be aware of are:
- filename
-
The filename where the usage data is stored.
- key
-
An attribute which will be present in the Access-Request to be used as
the 'index' value for the counter. A counter entry is tracked for
each unique key. The most likely key you will want to use is User-Name.
- count-attribute
-
An attribute which will be used to increment the counter value. If this
attribute is Acct-Session-Time or an integer value the counter data is
incremented by the Attribute value. For all other attribute types the
counter is incremented by one.
- reset
-
How frequently the counter data should be set back to 0. Valid values for
this variable are:
hourly,
daily,
weekly,
monthly,
ornever
Alternatively, it can be user defined, in the form: num[hdwm]. num is
a numeric value, followed by one or none of the following letters. h: hours,
d: days, w: weeks, m: months.
- check-name
-
This defines an attribute name which will be registered by the counter module
and can be used to set the maximum allowed value for the counter after which
the user is rejected. If Daily-Session-Time is set, you can use the following
syntax in the Users file to set a cap of 3600 seconds ( 8 hours ):
-
DEFAULT Max-Daily-Session := 3600
- reply-name
-
This is the name of the attribute which will contain the remaining value for
the counter in the reply packet when the user is successfully authorized. The
default attribute name is "Session-Timeout".
- allowed-servicetype
-
This can be used to only apply the limitations to specific service types of
sessions. For example, setting this to Framed-User will only apply the counter
module to Framed sessions, excluding other types such as Telnet or Rlogin.
- cache-size
-
The maximum size of the cache to be used by the module. The default is 1000.
NOTES
This module registers an attribute, so it should be added to the
instantiate section, to be called on server startup. When used
in the authorize section, it must come after any modules which
set the 'check-name' attribute.
SECTIONS
instantiate,
authorize,
accounting
FILES
/etc/raddb/radiusd.conf
SEE ALSO
radiusd(8),
radiusd.conf(5)
rlm_sqlcounter(5)
AUTHOR
Chris Parker, cparker@segv.org
Index
- NAME
-
- DESCRIPTION
-
- NOTES
-
- SECTIONS
-
- FILES
-
- SEE ALSO
-
- AUTHOR
-
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Time: 07:34:21 GMT, September 13, 2011
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