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76 lines
2.4 KiB
Groff
76 lines
2.4 KiB
Groff
.TH SLAPO-TRANSLUCENT 5 "RELEASEDATE" "OpenLDAP LDVERSION"
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.\" Copyright 2004-2006 The OpenLDAP Foundation All Rights Reserved.
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.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
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.\" $OpenLDAP$
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.SH NAME
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slapo-translucent \- Translucent Proxy overlay
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.SH SYNOPSIS
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ETCDIR/slapd.conf
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.SH DESCRIPTION
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The Translucent Proxy overlay can be used with a backend database such as
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.BR slapd-bdb (5)
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to create a "translucent proxy". Entries retrieved from a remote LDAP
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server may have some or all attributes overridden, or new attributes
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added, by entries in the local database before being presented to the
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client.
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.LP
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A
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.BR search
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operation is first populated with entries from the remote LDAP server, the
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attributes of which are then overridden with any attributes defined in the
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local database. Local overrides may be populated with the
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.BR add ,
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.B modify ,
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and
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.B modrdn
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operations, the use of which is restricted to the root user.
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.LP
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A
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.BR compare
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operation will perform a comparison with attributes defined in the local
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database record (if any) before any comparison is made with data in the
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remote database.
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.SH CONFIGURATION
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The Translucent Proxy overlay uses a remote LDAP server which is configured
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with the options shown in
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.BR slapd-ldap (5).
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These
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.B slapd.conf
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options are specific to the Translucent Proxy overlay; they should appear
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after the
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.B overlay
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directive.
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.TP
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.B translucent_strict
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By default, attempts to delete attributes in either the local or remote
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databases will be silently ignored. The
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.B translucent_strict
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directive causes these modifications to fail with a Constraint Violation.
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.TP
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.B translucent_no_glue
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This configuration option disables the automatic creation of "glue" records
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for an
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.B add
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or
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.B modrdn
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operation, such that all parents of an entry added to the local database
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must be created by hand. Glue records are always created for a
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.B modify
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operation.
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.SH CAVEATS
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.LP
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The Translucent Proxy overlay will disable schema checking in the local database,
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so that an entry consisting of overlay attributes need not adhere to the
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complete schema.
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.LP
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Because the translucent overlay does not perform any DN rewrites, the local
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and remote database instances must have the same suffix. Other configurations
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will probably fail with No Such Object and other errors.
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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-ldap (5).
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