This release has a number of bug fixes. The CNAME synthesized for a
DNAME record uses the original TTL, of the DNAME record, and that means
it can be cached for the TTL, instead of 0.
There is a fix that when a message was stored in cache, but one of the
RRsets was not updated due to cache policy, it now restricts the message
TTL if the cache version of the RRset has a shorter TTL. It avoids a
bug where the message is not expired, but its contents is expired.
For dnstap, it logs type DoH and DoT correctly, if that is used for
the message.
The b.root-servers.net address is updated in the default root hints.
When performing retries for failed sends, a retry at a smaller UDP size
is now not performed when that attempt is not actually smaller, and at
defaults, since the flag day changes, it is the same size. This makes
it skip the step, it is useless because there is no reduction in size.
Clients with a valid DNS Cookie will bypass the ratelimit, if one is
set. The value from ip-ratelimit-cookie is used for these queries.
Furthermore there is a fix to make correct EDE Prohibited answers for
access control denials, and a fix for EDNS client subnet scope zero
answers.
Features:
- Merge PR #973: Use the origin (DNAME) TTL for synthesized CNAMEs as
per RFC 6672.
Bug Fixes:
- Fix unit test parse of origin syntax.
- Use 127.0.0.1 explicitly in tests to avoid delays and errors on
newer systems.
- Fix #964: config.h.in~ backup file in release tar balls.
- Merge #968: Replace the obsolescent fgrep with grep -F in tests.
- Merge #971: fix 'WARNING: Message has 41 extra bytes at end'.
- Fix #969: [FR] distinguish Do53, DoT and DoH in the logs.
- Fix dnstap that assertion failed on logging other than UDP and TCP
traffic. It lists it as TCP traffic.
- Fix to sync the tests script file common.sh.
- iana portlist update.
- Updated IPv4 and IPv6 address for b.root-servers.net in root hints.
- Update test script file common.sh.
- Fix tests to use new common.sh functions, wait_logfile and
kill_from_pidfile.
- Fix #974: doc: default number of outgoing ports without libevent.
- Merge #975: Fixed some syntax errors in rpl files.
- Fix root_zonemd unit test, it checks that the root ZONEMD verifies,
now that the root has a valid ZONEMD.
- Update example.conf with cookie options.
- Merge #980: DoH: reject non-h2 early. To fix #979: Improve errors
for non-HTTP/2 DoH clients.
- Merge #985: Add DoH and DoT to dnstap message.
- Fix #983: Sha1 runtime insecure change was incomplete.
- Remove unneeded newlines and improve indentation in remote control
code.
- Merge #987: skip edns frag retry if advertised udp payload size is
not smaller.
- Fix unit test for #987 change in udp1xxx retry packet send.
- Merge #988: Fix NLnetLabs#981: dump_cache truncates large records.
- Fix to link with -lcrypt32 for OpenSSL 3.2.0 on Windows.
- Fix to link with libssp for libcrypto and getaddrinfo check for
only header. Also update crosscompile to remove ssp for 32bit.
- Merge #993: Update b.root-servers.net also in example config file.
- Update workflow for ports to use newer openssl on windows compile.
- Fix warning for windres on resource files due to redefinition.
- Fix for #997: Print details for SSL certificate failure.
- Update error printout for duplicate trust anchors to include the
trust anchor name (relates to #920).
- Update message TTL when using cached RRSETs. It could result in
non-expired messages with expired RRSETs (non-usable messages by
Unbound).
- Merge #999: Search for protobuf-c with pkg-config.
- Fix #1006: Can't find protobuf-c package since #999.
- Fix documentation for access-control in the unbound.conf man page.
- Merge #1010: Mention REFUSED has the TC bit set with unmatched
allow_cookie acl in the manpage. It also fixes the code to match the
documentation about clients with a valid cookie that bypass the
ratelimit regardless of the allow_cookie acl.
- Document the suspend argument for process_ds_response().
- Move github workflows to use checkoutv4.
- Fix edns subnet replies for scope zero answers to not get stored
in the global cache, and in cachedb, when the upstream replies
without an EDNS record.
- Fix for #1022: Fix ede prohibited in access control refused answers.
- Fix unbound-control-setup.cmd to use 3072 bits so that certificates
are long enough for newer OpenSSL versions.
- Fix TTL of synthesized CNAME when a DNAME is used from cache.
- Fix unbound-control-setup.cmd to have CA v3 basicConstraints,
like unbound-control-setup.sh has.
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