[GitHub] jgao54 commented on a change in pull request #4595: [AIRFLOW-XXX] Add a doc about fab security

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jgao54 commented on a change in pull request #4595: [AIRFLOW-XXX] Add a doc about fab security
URL: https://github.com/apache/airflow/pull/4595#discussion_r251609146
 
 

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 File path: docs/fab_security.rst
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+..  Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you 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.
+
+Airflow UI Security
+===================
+
+Security of Airflow Webserver UI is handled by Flask AppBuilder (FAB).
+Please read its related `security document <http://flask-appbuilder.readthedocs.io/en/latest/security.html>`_
+regarding its security model.
+
+Default Roles
+-------------
+Airflow ships with a set of roles by default: Admin, User, Op, Viewer, and Public.
+Only ``Admin`` users could configure/alter the permissions for other roles. But it is not recommended
+that ``Admin`` users alter these default roles in any way by removing
+or adding permissions to them as these roles will be re-synchronized to their original values.
 
 Review comment:
   @XD-DENG  ah, the fix is for roles in ROLE_CONFIGS, which does not include admin, so @feng-tao  is correct in this statement. `update_admin_perm_view()` will add all permissions for admin.
   
   It's a bit restricting, but I think this is a fair restriction to make given it's admin/

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