Hello, We are proud to announce the release of PowerDNS Recursor 5.0.1! This is the first public release of the 5.0 branch.
Compared to the latest 4.9 release, this release features the ability
to read settings from YAML files, enhancing structure, processing and
error-checking of settings.
There is also an internal change: the code processing the YAML file is
written in Rust and generated from a table. The former allows for more
secure code and the latter has the big advantage that old-style
settings, YAML settings and documentation[1] are automatically kept in
sync.
Current old-style settings are still supported without change. There is
a semi-automatic process[2] to convert old setting files to the new
format. A future release will remove support for the old-style
settings.
Introducing Rust code implies that the build procedure has changed. Our
own package builds for various distributions are adapted.
In addition to YAML settings, this pre-release also includes the
following changes
* The Recursor now has dedicated thread[3](s) to process incoming TCP
queries
* Improvements to the handling of a few edge cases related to NS
records
* A few files that are generated are now packaged in the source
tarball, so that package builds do not have to generate them
* The Recursor now includes extended[4] errors in responses by
default
* By default, the Recursor now disallows queries without the
Recursion Desired (RD) [5]bit set.
* The default of nsec3-max-iterations[6] has been lowered to 50.
As always, there are also many smaller bug fixes and improvements,
please refer to the changelog[7] for additional details. When upgrading
do not forget to check the upgrade guide.[8]
Please send us all feedback and issues you might have via the mailing
list[9], or in case of a bug, via GitHub[10].
The tarball[11] (signature[12]) is available from our
download server[13] and packages for several distributions are
available from our repository[14].
We also made changes to our Open Source End of Life policy. Older
release trains are now supported for one year after the following major
release. Consult the EOL policy[15] for more details.
We would also like to mention that with the 4.5 release we stopped
supporting systems using 32-bit time. This includes many 32-bit Linux
platforms.
We are grateful to the PowerDNS community for the reporting of bugs,
issues, feature requests, and especially to the submitters of fixes and
implementations of features.
References
1. https://docs.powerdns.com/recursor/yamlsettings.html
2. https://docs.powerdns.com/recursor/appendices/yamlconversion.html
3. https://docs.powerdns.com/recursor/settings.html#tcp-threads
4.
https://docs.powerdns.com/recursor/settings.html#extended-resolution-errors
5. https://docs.powerdns.com/recursor/settings.html#allow-no-rd
6. https://docs.powerdns.com/recursor/settings.html#nsec3-max-iterations
7. https://doc.powerdns.com/recursor/changelog/5.0.html#change-5.0.0
8. https://docs.powerdns.com/recursor/upgrade.html
9. https://mailman.powerdns.com/mailman/listinfo/pdns-users
10. https://github.com/PowerDNS/pdns/issues/new/choose
11. https://downloads.powerdns.com/releases/pdns-recursor-5.0.1.tar.bz2
12. https://downloads.powerdns.com/releases/pdns-recursor-5.0.1.tar.bz2.sig
13. https://downloads.powerdns.com/releases/
14. https://repo.powerdns.com/
15. https://docs.powerdns.com/recursor/appendices/EOL.html
--
kind regards,
Otto Moerbeek
PowerDNS Developer
Email: otto.moerb...@open-xchange.com
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95366
Managing Board: Andreas Gauger, Dirk Valbert, Frank Hoberg, Stephan Martin
Chairman of the Board: Richard Seibt
PowerDNS.COM BV, Koninginnegracht 14L, 2514 AA Den Haag, The Netherlands
Managing Director: Robert Brandt, Maxim Letski
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