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90 lines
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.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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..
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.. SPDX-License-Identifier: MPL-2.0
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..
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.. This Source Code Form is subject to the terms of the Mozilla Public
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.. License, v. 2.0. If a copy of the MPL was not distributed with this
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.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
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..
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.. See the COPYRIGHT file distributed with this work for additional
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.. information regarding copyright ownership.
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Notes for BIND 9.19.14
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----------------------
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Security Fixes
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~~~~~~~~~~~~~~
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- The overmem cleaning process has been improved, to prevent the cache from
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significantly exceeding the configured :any:`max-cache-size` limit.
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:cve:`2023-2828`
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ISC would like to thank Shoham Danino from Reichman University, Anat
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Bremler-Barr from Tel-Aviv University, Yehuda Afek from Tel-Aviv University,
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and Yuval Shavitt from Tel-Aviv University for bringing this vulnerability to
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our attention. :gl:`#4055`
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New Features
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~~~~~~~~~~~~
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- The read timeout in :iscman:`rndc` can now be specified on the command
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line using the :option:`-t <rndc -t>` option, allowing commands that
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take a long time to complete sufficient time to do so. :gl:`#4046`
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- Support for multi-signer model 2 (:rfc:`8901`) when using
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:any:`inline-signing` was added. :gl:`#2710`
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- A new option to :any:`dnssec-policy` has been added, :any:`cdnskey`,
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that allows users to enable or disable the publication of CDNSKEY
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records. :gl:`#4050`
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- The system test suite can now be executed with pytest (along with
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pytest-xdist for parallel execution). :gl:`#3978`
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Removed Features
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~~~~~~~~~~~~~~~~
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- Special-case code that was originally added to allow GSS-TSIG to work
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around bugs in the Windows 2000 version of Active Directory has now
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been removed, since Windows 2000 is long past end-of-life. The
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:option:`-o <nsupdate -o>` option and the ``oldgsstsig`` command to
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:iscman:`nsupdate` have been deprecated, and are now treated as
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synonyms for :option:`-g <nsupdate -g>` and ``gsstsig`` respectively.
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:gl:`#4012`
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Feature Changes
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~~~~~~~~~~~~~~~
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- If a response from an authoritative server has its RCODE set to
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FORMERR and contains an echoed EDNS COOKIE option that was present in
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the query, :iscman:`named` now retries sending the query to the
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same server without an EDNS COOKIE option. :gl:`#4049`
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- The responsiveness of :iscman:`named` was improved, when serving as an
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authoritative DNS server for a delegation-heavy zone(s) shortly after
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loading such zone(s). :gl:`#4045`
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Bug Fixes
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~~~~~~~~~
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- When the :any:`stale-answer-enable` option was enabled and the
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:any:`stale-answer-client-timeout` option was enabled and larger than
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0, :iscman:`named` previously allocated two slots from the
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:any:`clients-per-query` limit for each client and failed to gradually
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auto-tune its value, as configured. This has been fixed. :gl:`#4074`
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- Previously, it was possible for a delegation from cache to be returned
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to the client after the :any:`stale-answer-client-timeout` duration.
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This has been fixed. :gl:`#3950`
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- BIND could allocate too big buffers when sending data via
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stream-based DNS transports, leading to increased memory usage.
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This has been fixed. :gl:`#4038`
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Known Issues
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~~~~~~~~~~~~
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- There are no new known issues with this release. See :ref:`above
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<relnotes_known_issues>` for a list of all known issues affecting this
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BIND 9 branch.
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