1.5. Changing Directory Server Port Numbers
The standard and secure LDAP port numbers used by Directory Server can be changed through the Directory Server Console or by changing the value of the nsslapd-port or nsslapd-secureport attribute under the cn=config entry in the dse.ldif.
Changing the configuration directory or user directory port or secure port numbers has the following repercussions:
To modify a Directory Server LDAP or LDAPS port for either a user or a configuration directory, do the following: