@Override
 public Collection<IPZoneEntity> listIPZones() {
   return listEntities(
       IPZONE_QUERY_ALL_STATEMENT,
       rs -> {
         try {
           IPZoneEntity entity = new IPZoneEntity();
           entity.setIphost(rs.getString(1));
           entity.setSecurityZone(rs.getString(2));
           return entity;
         } catch (Exception ex) {
           throw new IllegalStateException(ex);
         }
       });
 }