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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
Notes for BIND 9.18.21
----------------------
Removed Features
~~~~~~~~~~~~~~~~
- Support for using AES as the DNS COOKIE algorithm (``cookie-algorithm
aes;``) has been deprecated and will be removed in a future release.
Please use the current default, SipHash-2-4, instead. :gl:`#4421`
- The :any:`resolver-nonbackoff-tries` and :any:`resolver-retry-interval`
statements have been deprecated. Using them now causes a warning to be
logged. :gl:`#4405`
Known Issues
~~~~~~~~~~~~
- There are no new known issues with this release. See :ref:`above
<relnotes_known_issues>` for a list of all known issues affecting this
BIND 9 branch.
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