Due to a typo I’ve configured the wrong port for the LDAPS connection handler on my OUD instance. But this is actually not a problem and can be corrected easily. First let’s verify the current settings of the LDAPS connection handler.

oracle@urania:~/ [oud_eus] dsconfig -h localhost -p 4444 -D "cn=Directory Manager" \
-j $ORACLE_HOME/OUD/config/pwd.txt --trustAll --no-prompt \
get-connection-handler-prop --handler-name "LDAPS Connection Handler"

Property               : Value(s)
-----------------------:-------------------------------------------------------
allow-ldap-v2          : true
allow-start-tls        : false
allowed-client         : -
denied-client          : -
enabled                : true
keep-stats             : true
key-manager-provider   : JKS
listen-address         : 0.0.0.0
listen-port            : 1689
ssl-cert-nickname      : -
ssl-cipher-suite       : jvm, SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA,
                       : SSL_DH_anon_EXPORT_WITH_RC4_40_MD5,
                       : SSL_DH_anon_WITH_3DES_EDE_CBC_SHA,
                       : SSL_DH_anon_WITH_DES_CBC_SHA,
                       : SSL_DH_anon_WITH_RC4_128_MD5
ssl-client-auth-policy : optional
ssl-protocol           : -
trust-manager-provider : JKS
use-ssl                : true

Set the new listen-port to 1636 using dsconfig for the LDAPS connection handler.

oracle@urania:~/ [oud_eus] dsconfig -h localhost -p 4444 -D "cn=Directory Manager" \
-j $ORACLE_HOME/OUD/config/pwd.txt --trustAll \
set-connection-handler-prop --handler-name "LDAPS Connection Handler" \
--set listen-port:1636 --no-prompt    

Unfortunately, a restart of the OUD instance is required to use the new settings. This can be done using stop-ds. For better readability I left out a large part of the output in the following example.

oracle@urania:~/ [oud_eus] stop-ds --restart
Stopping Server...

[12/Jul/2016:23:15:09 +0200] category=CORE severity=NOTICE msgID=458887 msg=The Directory Server has started successfully
[12/Jul/2016:23:15:09 +0200] category=CORE severity=NOTICE msgID=458891 msg=The Directory Server has sent an alert notification generated by class org.opends.server.core.DirectoryServer (alert type org.opends.server.DirectoryServerStarted, alert ID 458887):  The Directory Server has started successfully

Use again dsconfig to get the new settings of the LDAPS connection handler. As you can see the listen-port is now set to 1636.

oracle@urania:~/ [oud_eus] dsconfig -h localhost -p 4444 -D "cn=Directory Manager" \
-j $ORACLE_HOME/OUD/config/pwd.txt --trustAll --no-prompt \
get-connection-handler-prop --handler-name "LDAPS Connection Handler"

Property               : Value(s)
-----------------------:-------------------------------------------------------
allow-ldap-v2          : true
allow-start-tls        : false
allowed-client         : -
denied-client          : -
enabled                : true
keep-stats             : true
key-manager-provider   : JKS
listen-address         : 0.0.0.0
listen-port            : 1636
ssl-cert-nickname      : -
ssl-cipher-suite       : jvm, SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA,
                       : SSL_DH_anon_EXPORT_WITH_RC4_40_MD5,
                       : SSL_DH_anon_WITH_3DES_EDE_CBC_SHA,
                       : SSL_DH_anon_WITH_DES_CBC_SHA,
                       : SSL_DH_anon_WITH_RC4_128_MD5
ssl-client-auth-policy : optional
ssl-protocol           : -
trust-manager-provider : JKS
use-ssl                : true

Or just do a ldapsearch against the new LDAPS port.

oracle@urania:~/ [oud_eus] ldapsearch -h localhost -p 1636 -D "cn=Directory Manager" \
--useSSL --trustAll -j $ORACLE_HOME/OUD/config/pwd.txt \
-s base -b 'dc=postgasse,dc=org' 'objectclass=*'

dn: dc=postgasse,dc=org
orclversion: 90400
dc: postgasse
orclsubscriberfullname: postgasse
objectclass: top
objectclass: orclSubscriber
objectclass: domain

Of course it is possible with this method to change other parameter of the different connection handler.

Information on dsconfig can be found in the Oracle® Fusion Middleware Administering Oracle Unified Directory 11g Release 2 (11.1.2) A.2.4 dsconfig. See more OraDBA sticky notes.