slapd-null - Null backend to slapd

The null backend does not honor any of the access control semantics described in slapd.access(5).

This slapd.conf option applies to the NULL backend database. That is, it must follow a "database null" line and come before any subsequent "database" lines. Other database options are described in the slapd.conf(5) manual page. bind<on/off> Allow binds as any DN in this backend's suffix, with any password. The default is "off". dosearch<on/off> If enabled, a single entry will be returned on all search requests. The entry's DN will be the same as the database suffix. The default is "off".

The Null backend to slapd(8) is surely the most useful part of slapd: - Searches return success but no entries. - Compares return compareFalse. - Updates return success (unless readonly is on) but do nothing. - Binds other than as the rootdn fail unless the database option "bind on" is given. - The slapadd(8) and slapcat(8) tools are equally exciting. Inspired by the /dev/null device.

Here is a possible slapd.conf extract using the Null backend: database null suffix "cn=Nothing" bind on

/etc/ldap/slapd.conf default slapd configuration file

slapd-null - Null backend to slapd

slapd.conf(5), slapd(8), slapadd(8), slapcat(8). OpenLDAP 2.6.9+dfsg-2ubuntu1 2024/11/26 SLAPD-NULL(5)

/etc/ldap/slapd.conf