Persistent Search Control

The persistent search control is a type of supportedControl that may be used for clients to be notified of changes to entries that match the criteria from the associated search operation.

The persistent search control is described in draft-ietf-ldapext-psearch and has an OID of 2.16.840.1.113730.3.4.3. It is defined as follows:

PersistentSearch ::= SEQUENCE 
    changeTypes INTEGER,
    changesOnly BOOLEAN,
    returnECs BOOLEAN

Search result entries returned as part of this search may optionally include the entry change notification control to describe the way in which the entry changed.

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