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.TH SLAPO-CLOAK 5 "RELEASEDATE" "OpenLDAP LDVERSION"
.\" Copyright 1998-2018 The OpenLDAP Foundation, All Rights Reserved.
.\" Copying restrictions apply. See the COPYRIGHT file.
.\" $OpenLDAP$
.SH NAME
slapo-cloak \- Attribute cloak overlay to slapd
.SH SYNOPSIS
ETCDIR/slapd.conf
.SH DESCRIPTION
The
.B cloak
overlay to
.BR slapd (8)
allows the server to hide specific attributes, unless explicitely requested
by the client. This improve performance when a client requests all attributes
and get a huge binary attribute that is of no interest for it.
This behavior is disabled when the \fImanageDSAit\fP
control (RFC 3296) is used.
.SH CONFIGURATION
The config directives that are specific to the
.B cloak
overlay must be prefixed by
.BR cloak\- ,
to avoid potential conflicts with directives specific to the underlying
database or to other stacked overlays.
.TP
.B overlay cloak
This directive adds the cloak overlay to the current database,
or to the frontend, if used before any database instantiation; see
.BR slapd.conf (5)
for details.
.LP
This
.B slapd.conf
configuration option is defined for the cloak overlay. It may have multiple
occurrences, and it must appear after the
.B overlay
directive:
.TP
.B cloak-attr <attribute> [<class>]
The value
.B <attribute>
is the name of the attribute that will be cloaked.
The optional
.B <class>
restricts cloaking only to entries of the named
.B <class>.
.SH EXAMPLE
This example hide the
.B jpegPhoto
attribute. Add the following to slapd.conf:
.LP
.nf
database <database>
# ...
overlay cloak
cloak-attr jpegPhoto
.fi
.LP
and that slapd loads cloak.la, if compiled as a run-time module;
.SH FILES
.TP
ETCDIR/slapd.conf
default slapd configuration file
.SH SEE ALSO
.BR slapd.conf (5),
.BR slapd (8).
The
.BR slapo-cloak (5)
overlay supports dynamic configuration via
.BR back-config .
.SH ACKNOWLEDGEMENTS
.P
This module was originally written in 2008 by Emmanuel Dreyfus.
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