dnssrv DNS SRV backend
hdb Hierarchical variant of bdb backend
ldap Lightweight Directory Access Protocol (Proxy) backend
-ldbm Lightweight DBM backend
meta Meta Directory backend
monitor Monitor backend
passwd Provides read-only access to {{passwd}}(5)
mechanisms authenticate the identity within. The {{EX:secprops}}
parameter specifies Cyrus SASL security properties.
-The syncrepl replication mechanism is supported by the
-three native backends: back-bdb, back-hdb, and back-ldbm.
+The syncrepl replication mechanism is supported by the two primary
+database backends: back-bdb and back-hdb.
See the {{SECT:LDAP Sync Replication}} chapter of the admin guide
for more information on how to use this directive.