#11848: bind9 bind 9.14.0
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Reporter: bdubbs | Owner: bdubbs
Type: enhancement | Status: assigned
Priority: normal | Milestone: 8.5
Component: BOOK | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by bdubbs):
BIND 9.14.0 is the first release from a new stable branch of BIND 9,
incorporating all changes from the 9.13 development branch, updating
the most recent stable branch, 9.12. These changes include:
* A new "plugin" mechanism has been added to allow query functionality
to be extended using dynamically loadable libraries. The "filter-aaaa"
feature has been removed from named and is now implemented as a plugin.
* QNAME minimization, as described in RFC 7816, is now supported.
* Socket and task code has been refactored to improve performance on most
modern machines.
* "Root key sentinel" support, enabling validating resolvers to indicate
via a special query which trust anchors are configured for the root
zone.
* Secondary zones can now be configured as "mirror" zones; their contents
are transferred in as with traditional slave zones, but are subject to
DNSSEC validation and are not treated as authoritative data when
answering. This makes it easier to configure a local copy of the root
zone as described in RFC 7706.
* The "validate-except" option allows configuration of domains below which
DNSSEC validation should not be performed.
* The default value of "dnssec-validation" is now "auto".
* IDNA2008 is now supported when linking with `libidn2`.
* "named -V" now outputs the default paths for files used by named
and other tools.
In addition, workarounds that were formerly in place to enable resolution
of domains whose authoritative servers did not respond to EDNS queries
have been removed. See [https://dnsflagday.net](https://dnsflagday.net)
for more details.
Cryptographic support has been modernized. BIND now uses the
best available pseudo-random number generator for the platform on which
it's built. Very old versions of OpenSSL are no longer supported.
Cryptography is now mandatory: building BIND without DNSSEC is no
longer supported.
Special code to support certain legacy operating systems has also
been removed; see the file [PLATFORMS.md](PLATFORMS.md) for details
of supported platforms. In addition to OpenSSL, BIND now requires
support for IPv6, threads, and standard atomic operations provided
by the C compiler. Non-threaded builds are no longer supported.
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