opneldap†

yum -y install openldap-clients openldap-servers
chkconfig --level 2345 ldap on

/etc/openldap/slapd.conf

rootpw secret

/etc/init.d/ldap start

/root/manager.ldif

dn: dc=my-domain,dc=com
objectClass: dcObject
objectClass: organization
dc: my-domain
o: my-domain

dn: cn=Manager,dc=my-domain,dc=com
objectClass: organizationalRole
cn: Manager

dn: ou=People,dc=my-domain,dc=com
objectClass: organizationalUnit
ou: People

dn: ou=Group,dc=my-domain,dc=com
objectClass: organizationalUnit
ou: Group

ldapadd -x -D "cn=Manager,dc=my-domain,dc=com" -W -f manager.ldif

phpLdapAdmin†

wget http://ftp-srv2.kddilabs.jp/Linux/distributions/fedora/epel/5/x86_64/epel-release-5-4.noarch.rpm
rpm -ivh epel-release-5-4.noarch.rpm
yum --enablerepo=epel install phpldapadmin

/etc/httpd/conf.d/phpldapadmin.conf

Alias /phpldapadmin /usr/share/phpldapadmin/htdocs
Alias /ldapadmin /usr/share/phpldapadmin/htdocs
<Directory /usr/share/phpldapadmin/htdocs>
  Order Deny,Allow
  Deny from all
  Allow from 127.0.0.1 192.168.0.
</Directory> 

/etc/init.d/httpd restart

login : cn=Manager,dc=my-domain,dc=com
password : password

/etc/phpldapadmin/config.php

// 有効にする
$servers->setValue('login','attr','dn');

参考
http://satospo.sakura.ne.jp/blog_archives/tech/web/ldapadmin_inst1.html