3.3. General Backend Directives

Directives in this section apply only to the backend in which they are defined. They are supported by every type of backend. Backend directives apply to all databases instances of the same type and, depending on the directive, may be overridden by database directives.

backend <type>

This directive marks the beginning of a backend definition. <type> should be one of bdb or one of other supported backend types listed below:

Table 3-2. Database Backends

Type	Description
bdb	Berkeley DB transactional backend
dnssrv	DNS SRV backend
ldbm	Lightweight DBM backend
ldap	Lightweight Directory Access Protocol (Proxy) backend
meta	Meta Directory backend
monitor	Monitor backend
passwd	Provides read-only access to passwd(5)
perl	Perl programmable backend
shell	Shell (external program) backend
sql	SQL programmable backend

Example:

backend bdb

This marks the beginning of a new BDB backend definition