content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.csp.sentinel.dashboard.auth;
  
  import javax.servlet.Filter;
  
  /**
   * <p>The Servlet filter for authentication.</p>
   *
   * <p>Note: some urls are excluded as they needn't auth, such as:</p>
   * <ul>
   * <li>index url: {@code /}</li>
   * <li>authentication request url: {@code /login}, {@code /logout}</li>
   * <li>machine registry: {@code /registry/machine}</li>
   * <li>static resources</li>
   * </ul>
   * <p>
   * The excluded urls and urlSuffixes could be configured in {@code application.properties} file.
   *
   * @author cdfive
   * @author wxq
   * @since 1.6.0
   */
  public interface LoginAuthenticationFilter extends Filter {
  
  }
  