if (form.ldapAdminSecurityCredentials != null && StringUtil.isNotBlank(form.ldapAdminSecurityCredentials.replace("*", " "))) {
            fessConfig.setLdapAdminSecurityCredentials(form.ldapAdminSecurityCredentials);
        }
        fessConfig.setLdapBaseDn(form.ldapBaseDn);
        fessConfig.setLdapAccountFilter(form.ldapAccountFilter);

    }

    default String getLdapAdminSecurityPrincipal() {
        return getSystemProperty(Constants.LDAP_ADMIN_SECURITY_PRINCIPAL);
    }

    default void setLdapAdminSecurityCredentials(final String value) {
        setSystemProperty(Constants.LDAP_ADMIN_SECURITY_CREDENTIALS,
                Constants.CIPHER_PREFIX + ComponentUtil.getPrimaryCipher().encrypt(value));
    }