[dnsdist] PowerDNS DNSdist 1.9.2 released

[Remi Gacogne]

Hello!

We released PowerDNS DNSdist 1.9.2 today. This release fixes several issues:
- HTTP/1.1 was wrongly selected over HTTP/2 when a DNS over HTTPS client 
advertised both HTTP versions in ALPN and listed HTTP/1.1 first, and the 
nghttp2 provider was used
- The first connection to the DNSdist console done over IPv6 was rejected
- A failure of the first lazy health-check was not properly handled
- A crash might have occurred if an incoming DNS over HTTPS connection 
timed out right before the corresponding outgoing query to a backend 
did, and the nghttp2 provider was used
- DNS over HTTPS connections and queries counters were not working 
properly with the nghttp2 provider
- Incoming TCP connections from a client were not always closed right 
away after an error
- Outgoing TCP connections to a backend were not always closed right 
away after a timeout
- The Docker image was printing the DNSdist configuration to the 
terminal by default, including secrets, which might not have been expected
- It was not possible to return a "no server available" result from a 
custom Lua FFI load-balancing policy
- Several compilation warnings have been fixed

Please see the DNSdist website [1] for the more complete changelog [2] 
and the current documentation. The upgrade guide is also available there 
[3].

Please send us all feedback and issues you might have via the mailing 
list, or in case of a bug, via GitHub [4].

The release tarball [5] and its signature [6] are available on the 
downloads website, and packages for several distributions are available 
from our repository [7].

[1]: https://dnsdist.org
[2]: https://dnsdist.org/changelog.html#change-1.9.2
[3]: https://dnsdist.org/upgrade_guide.html
[4]: https://github.com/PowerDNS/pdns/issues/new/choose
[5]:
https://downloads.powerdns.com/releases/dnsdist-1.9.2.tar.bz2
[6]:
https://downloads.powerdns.com/releases/dnsdist-1.9.2.tar.bz2.sig
[7]: https://repo.powerdns.com

Best regards,
-- 
Remi Gacogne
PowerDNS.COM BV - https://www.powerdns.com/
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