2011-02-05 07:59:44 +08:00
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.TH SLAPO-LASTBIND 5 "RELEASEDATE" "OpenLDAP LDVERSION"
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.\" Copyright 2009 Jonathan Clarke, All Rights Reserved.
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2011-02-05 08:22:26 +08:00
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.\" $OpenLDAP$
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2011-02-05 07:59:44 +08:00
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.SH NAME
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slapo-lastbind \- lastbind overlay to slapd
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.SH SYNOPSIS
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ETCDIR/slapd.conf
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.SH DESCRIPTION
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The
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.B lastbind
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overlay to
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.BR slapd (8)
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allows recording the timestamp of the last successful bind to entries
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in the directory, in the
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2011-02-05 08:13:56 +08:00
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.B authTimestamp
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2011-02-05 07:59:44 +08:00
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attribute.
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The overlay can be configured to update this timestamp only if it is
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older than a given value, thus avoiding large numbers of write
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operations penalizing performance.
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2011-02-05 08:13:56 +08:00
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One sample use for this overlay would be to detect unused accounts.
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2011-02-05 07:59:44 +08:00
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.SH CONFIGURATION
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The config directives that are specific to the
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.B lastbind
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overlay must be prefixed by
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.BR lastbind\- ,
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to avoid potential conflicts with directives specific to the underlying
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database or to other stacked overlays.
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.TP
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.B overlay lastbind
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This directive adds the
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.B lastbind
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overlay to the current database, see
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.BR slapd.conf (5)
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for details.
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.LP
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This
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.B slapd.conf
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configuration option is defined for the lastbind overlay. It must
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appear after the
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.B overlay
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directive:
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.TP
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.B lastbind-precision <seconds>
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The value
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.B <seconds>
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is the number of seconds after which to update the
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2011-02-05 08:13:56 +08:00
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.B authTimestamp
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2011-02-05 07:59:44 +08:00
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attribute in an entry. If the existing value of
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2011-02-05 08:13:56 +08:00
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.B authTimestamp
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2011-02-05 07:59:44 +08:00
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is less than
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.B <seconds>
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old, it will not be changed.
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If this configuration option is omitted, the
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2011-02-05 08:13:56 +08:00
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.B authTimestamp
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2011-02-05 07:59:44 +08:00
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attribute is updated on each successful bind operation.
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.SH EXAMPLE
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This example configures the
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.B lastbind
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overlay to store
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2011-02-05 08:13:56 +08:00
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.B authTimestamp
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2011-02-05 07:59:44 +08:00
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in all entries in a database, with a 1 week precision.
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Add the following to
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.BR slapd.conf (5):
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.LP
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.nf
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database <database>
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# ...
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overlay lastbind
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lastbind-precision 604800
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.fi
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.LP
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.B slapd
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must also load
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.B lastbind.la,
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if compiled as a run-time module;
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.SH FILES
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.TP
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ETCDIR/slapd.conf
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default slapd configuration file
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.SH SEE ALSO
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.BR slapd.conf (5),
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.BR slapd (8).
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The
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.BR slapo-lastbind (5)
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overlay supports dynamic configuration via
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.BR back-config.
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.SH ACKNOWLEDGEMENTS
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.P
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This module was written in 2009 by Jonathan Clarke. It is loosely
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derived from the password policy overlay.
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