- New upstream release 4.2.3:
* confine-to-zone configures NSD to not return out-of-zone
additional information.
* pidfile "" allows to run NSD without a pidfile
* adds support for readiness notification with READY_FD
* fix excessive logging of ixfr failures, it stops the log when
fallback to axfr is possible. log is enabled at high verbosity.
* Fixup warnings during --disable-ipv6 compile.
* The nsd.conf includes are sorted ascending, for include statements
with a '*' from glob.
* Fix log address and failure reason with tls handshake errors,
squelches (the same as unbound) some unless high verbosity is used.
* Number of different UDP handlers has been reduced to one.
recvmmsg and sendmmsg implementations are now used on all platforms.
* Socket options are now set in designated functions for easy reuse.
* Socket setup has been simplified for easy reuse.
* Configuration parser is now aware of the context in which
an option was specified.
* document that remote-control is a top-level nsd.conf attribute.
- Remove legacy upgrade of nsd users in %post (boo#1157331)