Zope >= 2.8 (see http://www.zope.org/Products/Zope)
python-ldap >= 2.0.6 (see http://python-ldap.sourceforge.net)

If you want to use the LDAPMembership and the LDAPMemberData tools:
CMF >= 1.6 (see http://www.zope.org/Products/CMF)
