001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.vfs2.provider.ftps;
018
019/**
020 * Protection level of the data channel in a FTPS communication.
021 * <ul>
022 * <li>C - Clear</li>
023 * <li>S - Safe</li>
024 * <li>E - Confidential</li>
025 * <li>P - Private</li>
026 * </ul>
027 *
028 * @see <a href="https://datatracker.ietf.org/doc/html/rfc2228#section-3">RFC 2228, section 3</a>
029 * @since 2.1
030 */
031public enum FtpsDataChannelProtectionLevel {
032
033    /** Clear. */
034    C,
035
036    /** Safe. */
037    S,
038
039    /** Confidential. */
040    E,
041
042    /** Private. */
043    P
044}