[dnsdist] PowerDNS DNSdist 1.9.0-alpha1 released
remi.gacogne at powerdns.com
Mon Sep 18 08:54:32 UTC 2023
We are very happy to be releasing the first alpha release of what will
become DNSdist 1.9.0!
The most important change since 1.8.1 is that incoming DNS over HTTPS
requests are now handled by the nghttp2 library, instead of the h2o one.
This change should be transparent for most users, since we made sure to
preserve the existing features and configuration directives. Switching
to nghttp2 allows us to support hardware acceleration for TLS exchanges,
using for example Linux's kTLS or Intel Quick-Assist Technology. It also
reduces our footprint on low-end devices by not requiring an additional
library, since nghttp2 was already used for outgoing DNS over HTTPS
requests. Finally, while it was a long time coming, h2o is officially
 no longer maintained in a way that makes it possible to use it as a
stable library. Technically it will still be possible to revert to the
use of h2o for incoming DNS over HTTPS in DNSdist 1.9.x, but we will
remove that support after that.
We have made a lot of small improvements since 1.8.x as well, like
adding Lua bindings to access selectors and actions, more fields of a
DNS header in Lua actions, and adding metrics for health-check events.
We still have several wonderful features planned for 1.9.0 that have not
been merged yet, but rest assured that the final release will not be boring!
Packagers need to be aware that SNMP support is no longer enabled by
default, as it had been causing integration issues in some environments
for a while, but it's still enabled in our packages.
Speaking of packages, we are now publishing SLSA attestations along with
our packages, making it possible to verify how exactly they were built
and reproduce our workflow, providing strong guarantees against
supply-chain attacks. Please get in touch if you want to know more!
Please see the DNSdist website  for the more complete changelog 
and the current documentation. The upgrade guide is also available there
Please send us all feedback and issues you might have via the mailing
list, or in case of a bug, via GitHub .
We are immensely grateful to the PowerDNS community for the reporting of
bugs, issues, feature requests, and especially to the submitters of
fixes and implementations of features.
The release tarball  and its signature  are available on the
downloads website, and packages for several distributions are available
from our repository .
PowerDNS.COM BV - https://www.powerdns.com/
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