if (user.getOriginalPassword() != null) {
            modifyReplaceEntry(modifyList, "userPassword", user.getOriginalPassword());
        }

        final String attrSurname = fessConfig.getLdapAttrSurname();
        OptionalUtil.ofNullable(user.getSurname()).filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrSurname, s)).orElse(() -> getAttributeValueList(result, attrSurname)