The entry change notification control is a supportedControl that is included in search result entries returned to clients in response to a search operation that uses the Persistent Search Control.

The entry change notification control is described in draft-ietf-ldapext-psearch and has an OID of 2.16.840.1.113730.3.4.7.

The entry change notification control is defined as follows:

           EntryChangeNotification ::= SEQUENCE {
                     changeType ENUMERATED {
                             add             (1),
                             delete          (2),
                             modify          (4),
                             modDN           (8)
                     },
                     previousDN   LDAPDN OPTIONAL,     -- modifyDN ops. only
                     changeNumber INTEGER OPTIONAL     -- if supported
} 

More Information#

There might be more information for this subject on one of the following:

• Glossary Of LDAP And Directory Terminology
• Persistent Search Control
• SupportedControl