Changelog:
Version 3.1.0
Monday, August 2, 2021
Features:
+ knotd: automatic zone catalog generation based on actual configuration
+ knotd: zone catalog supports configuration groups
+ knotd: support for ZONEMD validation and generation
+ knotd: basic support for TCP over XDP processing
+ knotd: configuration option for enabling IP route check in the XDP mode
+ knotd: support for epoll (Linux) and kqueue (*BSD, macOS) socket
polling
+ knotd: extended EDNS error (EDE) is added to the response if
appropriate
+ knotd: DNSSEC operation with extra ready public-only KSK is newly
allowed
+ knotd: new zone backup/restore filters for more variable component
specification
+ knotd: adaptive systemd service start timeout and new zone loading
status #733
+ knotd: configuration option for enabling TCP Fast Open on outbound
communication
+ knotd: when the server starts, zone NOTIFY is send only if not sent
already
+ knotc: zone reload with the force flag triggers reload of the zone and
its modules
+ libs: support for parsing and dumping SVCB and HTTPS resource records
+ kdig: support for TCP Fast Open along with DoT/DoH #549
+ kxdpgun: basic support for DNS over TCP processing
+ kxdpgun: current traffic statistics can be printed using a USR1 signal
+ python: new libknot/probe API wrapper
Improvements:
+ knotd: PID file is created even in the foreground mode
+ knotd: more robust and enhanced zone data backup and restore operations
+ knotd: maximum length of an XFR message is limited to 16 KiB for better
compression
+ knotd: maximum CNAME/DNAME chain depth per reply was decreased from 20
to 5
+ knotd: improved performance of processing domain names with many short
labels
+ knotd: adaptive limit on the number of LMDB readers to avoid problems
with many workers
+ knotd: TTL of generated NSEC(3) records is set to min(SOA TTL, SOA
minimum)
+ knotd: TTL of generated NSEC3PARAM is equal to TTL of NSEC3 records
+ knotd: maximum TCP segment size is restricted to 1220 octets on Linux #
468
+ knotc: various improvements in error reporting
+ knotc: default control timeout is infinity in the blocking mode
+ dnssec: dnskey generator tries to return a key with a unique keytag
+ kxdpgun: RLIMIT_MEMLOCK is increased only if not high enough
+ kxdpgun: RTNETLINK is used for getting network information instead of
the ip command
Bugfixes:
+ knotd: DNAME not applied more than once to resolve the query #714
+ knotd: root zone not correctly purged from the journal
+ kzonecheck: incorrect check for opt-outed empty non-terminal nodes
+ libzscanner: wrong error line number
+ libzscanner: broken multiline rdata processing if an error occurs
+ mod-geoip: NXDOMAIN is responded instead of NODATA #745
+ make: build fails with undefined references if building using slibtool
#722
Packaging:
+ knotd: systemd service reload uses 'kill -HUP' instead of 'knotc
reload'
+ kxdpgun: new library dependency libmnl
+ mod-dnstap: new package separate from the knot package
+ mod-geoip: new package separate from the knot package
Compatibility:
+ configure: option '--enable-xdp=yes' means use an external libbpf if
available
or use the embedded one
+ libzsanner: omitted TTL value is correctly set to the last explicitly
stated value (RFC 1035)
+ knotc: zone restore from an old backup (3.0.x) requires forced
operation
+ knotd: configuration option 'server.listen-xdp' is replaced with
'xdp.listen'
+ knotd: zone file loading with automatic SOA serial incrementation newly
requires having full zone in the journal
+ knotd: obsolete configuration options 'zone.disable-any',
'server.tcp-handshake-timeout'
are silently ignored
+ knotd: obsolete configuration options 'zone.max-zone-size',
'zone.max-journal-depth',
'zone.max-journal-usage', 'zone.max-refresh-interval',
'zone.min-refresh-interval' 'server.max-ipv4-udp-payload',
'server.max-ipv6-udp-payload', 'server.max-udp-payload',
'server.tcp-reply-timeout', 'server.max-tcp-clients' are ignored
+ knotd: obsolete default template options 'template.journal-db',
'template.kasp-db', 'template.timer-db',
'template.max-journal-db-size', 'template.journal-db-mode',
'template.max-timer-db-size', 'template.max-kasp-db-size' are
ignored
Version 3.0.8
Friday, July 16, 2021
Features:
+ knotc: new command for loading DNSSEC keys without dropping all RRSIGs
when re-signing
+ knotd: new policy configuration option for disabling some DNSSEC safety
features #741
+ mod-geoip: new dnssec and policy configuration options
Bugfixes:
+ knotd: early KSK removal during a KSK rollover if automatic KSK
submission check
is enabled and DNSKEY TTL is lower than the corresponding DS TTL
+ knotd: failed to generate a new DNSKEY if previously generated shared
key not available
+ knotd: periodical error logging when a PKCS #11 keystore failed to
initialize #742
+ knotd: zone commit doesn't check for missing SOA record
Version 3.0.7
Wednesday, June 16, 2021
Features:
+ knotd: new configuration policy option for CDS digest algorithm setting
#738
+ keymgr: new command for primary SOA serial manipulation in on-secondary
signing mode
Improvements:
+ knotd: improved algorithm rollover to shorten the last step of old
RRSIG publication
Bugfixes:
+ knotd: zone is flushed upon server start, despite DNSSEC signing is
up-to-date
+ knotd: wildcard nonexistence is proved on empty-non-terminal query
+ knotd: redundant wildcard proof for non-authoritative data in a reply
+ knotd: missing wildcard proofs in a wildcard-cname loop reply
+ knotd: incorrectly synthesized CNAME owner from a wildcard record #715
+ knotd: zone-in-journal changeset ignores journal-max-usage limit #736
+ knotd: incorrect processing of zone-in-journal changeset with SOA
serial 0
+ knotd: broken initialization of processing workers if SO_REUSEPORT(_LB)
not available
+ kjournalprint: reported journal usage is incorrect #736
+ keymgr: cannot parse algorithm name ed448 #739
+ keymgr: default key size not set properly
+ kdig: failed to process huge DoH responses
+ libknot/probe: some corner-case bugs
Version 3.0.6
Wednesday, May 12, 2021
Features:
+ mod-probe: new module for simple traffic logging (Python API not yet
included)
Improvements:
+ keymgr: new mode for listing zones with at least one key stored
+ keymgr: the pregenerate command accepts optional timestamp-from
parameter
+ kzonecheck: accept '-' as substitution for standard input #727
+ knotd: print an error when unable to change owner of a logging file
+ knotd: new warning log if no interface is configured
+ knotd: new signing policy check for NSEC3 iterations higher than 20
+ knotd: don't allow backup to/restore from the DB storage directory
+ Various code (mostly zone backup/restore), tests, and documentation
improvements
Bugfixes:
+ knotd: secondary fails to load zone file if HTTPS or SVCB record is
present #725
+ knotd: (KSK roll-over) new KSK is not signing DNSKEY long enough before
DS submission
+ knotd: (KSK roll-over) old KSK uselessly published after roll-over
finished
+ knotd: malformed address in TCP-related logs when listening on a UNIX
socket
+ knotd: server responds FORMERR instead of BADTIME if TSIG signed time
is zero #730
+ modules: incorrect local and remote addresses in the XDP mode
+ modules: failed to read configuration from a section without
identifiers
+ mod-synthrecord: queries on synthesized empty-non-terminals not
answered with NODATA
+ keymgr: confusing error if del-all-old command fails
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