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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 9.16.9
---------------------
New Features
~~~~~~~~~~~~
- A new configuration option, ``stale-refresh-time``, has been
introduced. It allows a stale RRset to be served directly from cache
for a period of time after a failed lookup, before a new attempt to
refresh it is made. :gl:`#2066`
Bug Fixes
~~~~~~~~~
- ``named`` could crash with an assertion failure if a TCP connection
were closed while a request was still being processed. :gl:`#2227`
- ``named`` acting as a resolver could incorrectly treat signed zones
with no DS record at the parent as bogus. Such zones should be treated
as insecure. This has been fixed. :gl:`#2236`
- After a Negative Trust Anchor (NTA) is added, BIND performs periodic
checks to see if it is still necessary. If BIND encountered a failure
while creating a query to perform such a check, it attempted to
dereference a ``NULL`` pointer, resulting in a crash. :gl:`#2244`
- A problem obtaining glue records could prevent a stub zone from
functioning properly, if the authoritative server for the zone were
configured for minimal responses. :gl:`#1736`
- ``UV_EOF`` is no longer treated as a ``TCP4RecvErr`` or a
``TCP6RecvErr``. :gl:`#2208`
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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