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      1 .lf 1 stdin
      2 .TH SLAPD-NULL 5 "2025/05/22" "OpenLDAP 2.6.10"
      3 .\" Copyright 2002-2024 The OpenLDAP Foundation.  All Rights Reserved.
      4 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
      5 .\" $OpenLDAP$
      6 .SH NAME
      7 slapd\-null \- Null backend to slapd
      8 .SH SYNOPSIS
      9 /etc/openldap/slapd.conf
     10 .SH DESCRIPTION
     11 The Null backend to
     12 .BR slapd (8)
     13 is surely the most useful part of
     14 .BR slapd :
     15 .br
     16 - Searches return success but no entries.
     17 .br
     18 - Compares return compareFalse.
     19 .br
     20 - Updates return success (unless readonly is on) but do nothing.
     21 .br
     22 - Binds other than as the rootdn fail unless the database option "bind
     23 on" is given.
     24 .br
     25 - The
     26 .BR slapadd (8)
     27 and
     28 .BR slapcat (8)
     29 tools are equally exciting.
     30 .br
     31 Inspired by the /dev/null device.
     32 .SH CONFIGURATION
     33 This
     34 .B slapd.conf
     35 option applies to the NULL backend database.
     36 That is, it must follow a "database null" line and come before
     37 any subsequent "database" lines.
     38 Other database options are described in the
     39 .BR slapd.conf (5)
     40 manual page.
     41 .TP
     42 .B bind <on/off>
     43 Allow binds as any DN in this backend's suffix, with any password.
     44 The default is "off".
     45 .TP
     46 .B dosearch <on/off>
     47 If enabled, a single entry will be returned on all search requests.
     48 The entry's DN will be the same as the database suffix.
     49 The default is "off".
     50 .SH EXAMPLE
     51 Here is a possible slapd.conf extract using the Null backend:
     52 .LP
     53 .RS
     54 .nf
     55 database null
     56 suffix   "cn=Nothing"
     57 bind     on
     58 .fi
     59 .RE
     60 .SH ACCESS CONTROL
     61 The
     62 .B null
     63 backend does not honor any of the access control semantics described in
     64 .BR slapd.access (5).
     65 .SH FILES
     66 .TP
     67 /etc/openldap/slapd.conf
     68 default slapd configuration file
     69 .SH SEE ALSO
     70 .BR slapd.conf (5),
     71 .BR slapd (8),
     72 .BR slapadd (8),
     73 .BR slapcat (8).
     74