nsd: 4.1.9 -> 4.1.12

4.1.12
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Bugfixes
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Fix malformed edns query assertion failure, reported by Michal Kepien (NASK).

4.1.11
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Features
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* When tcp is more than half full, use short timeout for tcp session.
* Patch for {max,min}-{refresh,retry}-time from YAMAGUCHI Takanori.
* Fix #790: size-limit-xfr can stop NSD from downloading infinite zone transfer data size, from Toshifumi Sakaguchi. Fixes CVE-2016-6173 JVN#63359718 JPCERT#91251865.

Bugfixes
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* Fix build without IPv6, patch from Zdenek Kaspar.
* Fix #783: Trying to run a root server without having configured it silently gives wrong answers.
* Fix #782: Serve DS record but parent zone has no NS record.
* Fix nsec3 missing for nsec3 signed parent and child for DS at zonecut.

4.1.10
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Features
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* ip-freebind: yesno option in nsd.conf sets IP_FREEBIND socket option for Linux, binds to interfaces and addresses that are down.
* NSD includes AAAA before A for queries over IPV6 (in delegations). And TC is set if no glue can be provided with a delegation because of packet size.
* print notice that nsd is starting before taking off.

Bugfixes
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* Fix for openssl 1.1.0, HMAC_CTX size not exported from openssl.
* Fix #751: NSD fails to occlude names below a DNAME.
* If set without nsd.db print "" as the default in the man pages.
* Fix #755: NSD spins after a zone update and a lot of TCP queries.
* Fix for NSEC3 with zone signed without exact match for empty nonterminals, the answer for that domain gets closest encloser.
* #772 Document that recvmmsg has IPv6 problems on some linux kernels.

4.1.9
=====

Bugfixes
--------

* Change the nsd.db file version because of nanosecond precision fix.