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76 lines
2.6 KiB
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76 lines
2.6 KiB
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..
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Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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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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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 9.17.16
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----------------------
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Security Fixes
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~~~~~~~~~~~~~~
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- Sending non-zero opcode via DoT or DoH channels would trigger an assertion
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failure in ``named``. This has been fixed.
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ISC would like to thank Ville Heikkila of Synopsys Cybersecurity Research
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Center for responsibly disclosing the vulnerability to us. :gl:`#2787`
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Known Issues
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~~~~~~~~~~~~
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- None.
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New Features
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~~~~~~~~~~~~
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- Automatic KSK rollover: A new configuration option ``parental-agents`` is
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added to add a list of servers to a zone that can be used for checking DS
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presence. :gl:`#1126`
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Removed Features
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~~~~~~~~~~~~~~~~
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- Support for compiling and running BIND 9 natively on Windows has been
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completely removed. The last release branch that has working Windows
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support is BIND 9.16. :gl:`#2690`
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Feature Changes
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~~~~~~~~~~~~~~~
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- IP fragmentation on outgoing UDP sockets has been disabled. Errors from
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sending DNS messages larger than the specified path MTU are properly handled;
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``named`` now sends back empty DNS messages with the TC (TrunCated) bit set,
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forcing the DNS client to fall back to TCP. :gl:`#2790`
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- DNS over HTTPS support can be disabled at the compile time via the new
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configuration option ``--disable-doh``. This allows BIND 9 to be
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compiled without libnghttp2 library. [GL #2478]
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- Memory allocation has been substantially refactored, and is now based on
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the memory allocation API provided by the `jemalloc` library on platforms
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where it is available. This library is now recommended for building BIND 9.
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:gl:`#2433`
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Bug Fixes
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~~~~~~~~~
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- Fixed a bug that caused the NSEC salt to be changed for KASP zones on
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every startup. :gl:`#2725`
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- Signed, insecure delegation responses prepared by ``named`` either
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lacked the necessary NSEC records or contained duplicate NSEC records
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when both wildcard expansion and CNAME chaining were required to
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prepare the response. This has been fixed. :gl:`#2759`
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- A deadlock at startup was introduced when fixing :gl:`#1875` because when
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locking key files for reading and writing, "in-view" logic was not taken into
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account. This has been fixed. :gl:`#2783`
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- Fix a race condition where two threads are competing for the same set of key
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file locks, that could lead to a deadlock. This has been fixed. :gl:`#2786`
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