[root@comanche ~]# /etc/init.d/ldap2.4 start
Starting slapd (ldap + ldaps):                                  [  OK  ]
[root@comanche ~]# ldapadd2.4  -H ldapi:/// -f memberof.ldif
SASL/EXTERNAL authentication started
SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
adding new entry "dc=example,dc=com"

adding new entry "ou=Group,dc=example,dc=com"

adding new entry "ou=People,dc=example,dc=com"

adding new entry "uid=test1,ou=People,dc=example,dc=com"

adding new entry "cn=testgroup,ou=Group,dc=example,dc=com"

[root@comanche ~]# ldapsearch2.4 -LLL -H ldapi:/// "(uid=test1)" -b dc=example,dc=com memberOf
SASL/EXTERNAL authentication started
SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
dn: uid=test1,ou=People,dc=example,dc=com
memberOf: cn=testgroup,ou=Group,dc=example,dc=com



[root@comanche ~]# cat memberof.ldif
dn: dc=example,dc=com
objectclass: domain
dc: example

dn: ou=Group,dc=example,dc=com
objectclass: organizationalUnit
ou: Group

dn: ou=People,dc=example,dc=com
objectclass: organizationalUnit
ou: People

dn: uid=test1,ou=People,dc=example,dc=com
objectclass: account
uid: test1

dn: cn=testgroup,ou=Group,dc=example,dc=com
objectclass: groupOfNames
cn: testgroup
member: uid=test1,ou=People,dc=example,dc=com



# egrep -v "^(#|$)" /etc/openldap2.4/slapd.conf
include /usr/share/openldap2.4/schema/core.schema
include /usr/share/openldap2.4/schema/cosine.schema
include /usr/share/openldap2.4/schema/corba.schema
include /usr/share/openldap2.4/schema/inetorgperson.schema
include /usr/share/openldap2.4/schema/java.schema
include /usr/share/openldap2.4/schema/krb5-kdc.schema
include /usr/share/openldap2.4/schema/kerberosobject.schema
include /usr/share/openldap2.4/schema/misc.schema
include /usr/share/openldap2.4/schema/nis.schema
include /usr/share/openldap2.4/schema/openldap.schema
include /usr/share/openldap2.4/schema/autofs.schema
include /usr/share/openldap2.4/schema/samba.schema
include /usr/share/openldap2.4/schema/kolab.schema
include /usr/share/openldap2.4/schema/evolutionperson.schema
include /usr/share/openldap2.4/schema/calendar.schema
include /usr/share/openldap2.4/schema/sudo.schema
include /usr/share/openldap2.4/schema/dnszone.schema
include /usr/share/openldap2.4/schema/dhcp.schema
include /etc/openldap2.4/schema/local.schema
include         /etc/openldap2.4/slapd.access.conf
access to dn.subtree="dc=example,dc=com"
        by group="cn=Replicator,ou=Group,dc=example,dc=com"
        by users read
        by anonymous read
pidfile         /var/run/ldap2.4/slapd.pid
argsfile        /var/run/ldap2.4/slapd.args
modulepath      /usr/lib/openldap2.4
moduleload      memberof.la
authz-regexp "gidNumber=0\\\+uidNumber=0,cn=peercred,cn=external,cn=auth"
        "cn=Manager,dc=example,dc=com"
TLSCertificateFile      /etc/ssl/openldap2.4/ldap.pem
TLSCertificateKeyFile   /etc/ssl/openldap2.4/ldap.pem
TLSCACertificateFile    /etc/ssl/openldap2.4/ldap.pem
database        bdb
suffix          "dc=example,dc=com"
rootdn          "cn=Manager,dc=example,dc=com"
directory       /var/lib/ldap2.4
checkpoint 256 5
index   objectClass                                             eq
index   cn,mail,surname,givenname                               eq,subinitial
index   uidNumber,gidNumber,memberuid,member,uniqueMember       eq
index   uid                                                     eq,subinitial
index   sambaSID,sambaDomainName,displayName                    eq
limits group="cn=Replicator,ou=Group,dc=example,dc=com"
 size=unlimited
 time=unlimited

overlay memberof