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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /NEWS | |
parent | Initial commit. (diff) | |
download | knot-upstream.tar.xz knot-upstream.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'NEWS')
-rw-r--r-- | NEWS | 1567 |
1 files changed, 1567 insertions, 0 deletions
@@ -0,0 +1,1567 @@ +Knot DNS 2.7.6 (2019-01-23) +=========================== + +Improvements: +------------- + - Zone status also shows when the zone load is scheduled + - Server workers status also shows background workers utilization + - Default control timeout for knotc was increased to 10 seconds + - Pkg-config files contain auxiliary variable with library filename + +Bugfixes: +--------- + - Configuration commit or server reload can drop some pending zone events + - Nonempty zone journal is created even though it's disabled #635 + - Zone is completely re-signed during empty dynamic update processing + - Server can crash when storing a big zone difference to the journal + - Failed to link on FreeBSD 12 with Clang + +Knot DNS 2.7.5 (2019-01-07) +=========================== + +Features: +--------- + - Keymgr supports NSEC3 salt handling + +Improvements: +------------- + - Zone history in journal is dropped apon AXFR-like zone update + - Libdnssec is no longer linked against libm #628 + - Libdnssec is explicitly linked against libpthread if PKCS #11 enabled #629 + - Better support for libknot packaging in Python + - Manually generated KSK is 'ready' by default + - Kdig supports '+timeout' as an alias for '+time' + - Kdig supports '+nocomments' option + - Kdig no longer prints empty lines between retries + - Kdig returns failure if operations not successfully resolved #632 + - Fixed repeating of the 'KSK submission, waiting for confirmation' log + - Various improvements in documentation, Dockerfile, and tests + +Bugfixes: +--------- + - Knotc fails to unset huge configuration section + - Kjournalprint sometimes fails to display zone journal content + - Improper timing of ZSK removal during ZSK rollover + - Missing UTC time zone indication in the 'iso' keymgr list output + - A race condition in the online signing module + +Knot DNS 2.7.4 (2018-11-13) +=========================== + +Features: +--------- + - Added SNI configuration for TLS in kdig (Thanks to Alexander Schultz) + +Improvements: +------------- + - Added warning log when DNSSEC events not successfully scheduled + - New semantic check on timer values in keymgr + - DS query no longer asks other addresses if got a negative answer + - Reintroduced 'rollover' configuration option for CDS/CDNSKEY publication + - Extended logging for zone loading + - Various documentation improvements + +Bugfixes: +--------- + - Failed to import module configuration #613 + - Improper Cflags value in libknot.pc if built with embedded LMDB #615 + - IXFR doesn't fall back to AXFR if malformed reply + - DNSSEC events not correctly scheduled for empty zone updates + - During algorithm rollover old keys get removed before DS TTL expires #617 + - Maximum zone's RRSIG TTL not considered during algorithm rollover #620 + +Knot DNS 2.7.3 (2018-10-11) +=========================== + +Features: +--------- + - New queryacl module for query access control + - Configurable answer rrset rotation #612 + - Configurable NSEC bitmap in online signing + +Improvements: +------------- + - Better error logging for KASP DB operations #601 + - Some documentation improvements + +Bugfixes: +--------- + - Keymgr "list" output doesn't show key size for ECDSA algorithms #602 + - Failed to link statically with embedded LMDB + - Configuration commit causes zone reload for all zones + - The statistics module overlooks TSIG record in a request + - Improper processing of an AXFR-style-IXFR response consisting of one-record messages + - Race condition in online signing during key rollover #600 + - Server can crash if geoip module is enabled in the geo mode + +Knot DNS 2.7.2 (2018-08-29) +=========================== + +Improvements: +------------- + - Keymgr list command displays also key size + - Kjournalprint displays total occupied size in the debug mode + - Server doesn't stop if failed to load a shared module from the module directory + - Libraries libcap-ng, pthread, and dl are linked selectively if needed + +Bugfixes: +--------- + - Sometimes incorrect result from dnssec_nsec_bitmap_contains (libdnssec) + - Server can crash when loading zone file difference and zone-in-journal is set + - Incorrect treatment of specific queries in the module RRL + - Failed to link module Cookies as a shared library + +Knot DNS 2.7.1 (2018-08-14) +=========================== + +Improvements: +------------- + - Added zone wire size information to zone loading log message + - Added debug log message for each unsuccessful remote address operation + - Various improvements for packaging + +Bugfixes: +--------- + - Incompatible handling of RRSIG TTL value when creating a DNS message + - Incorrect RRSIG TTL value in zone differences and knotc zone operation outputs + - Default configure prefix is ignored + +Knot DNS 2.7.0 (2018-08-03) +=========================== + +Features: +--------- + - New DNS Cookies module and related '+cookie' kdig option + - New module for response tailoring according to client's subnet or geographic location + - General EDNS Client Subnet support in the server + - OSS-Fuzz integration (Thanks to Jonathan Foote) + - New '+ednsopt' kdig option (Thanks to Jan Včelák) + - Online Signing support for automatic key rollover + - Non-normal file (e.g. pipe) loading support in zscanner #542 + - Automatic SOA serial incrementation if non-empty zone difference + - New zone file load option for ignoring zone file's SOA serial + - New build-time option for alternative malloc specification + - Structured logging for DNSSEC key submission event + - Empty QNAME support in kdig + +Improvements: +------------- + - Various library and server optimizations + - Reduced memory consumption of outgoing IXFR processing + - Linux capabilities use overhaul #546 (Thanks to Robert Edmonds) + - Online Signing properly signs delegations and CNAME records + - CDS/CDNSKEY rrset is signed with KSK instead of ZSK + - DNSSEC-related records are ignored when loading zone difference with signing enabled + - Minimum allowed RSA key length was increased to 1024 + - Removed explicit dependency on Nettle + +Bugfixes: +--------- + - Possible uninitialized address buffer use in zscanner + - Possible index overflow during multiline record parsing in zscanner + - kdig +tls sometimes consumes 100 % CPU #561 + - Single-Type Signing doesn't work with single ZSK key #566 + - Zone not flushed after re-signing during zone load #594 + - Server crashes when committing empty zone transaction + - Incoming IXFR with on-slave signing sometimes leads to memory corruption #595 + +Compatibility: +-------------- + - Removed obsolete RRL configuration + - Removed obsolete module names 'mod-online-sign' and 'mod-synth-record' + - Removed obsolete 'ixfr-from-differences' configuration option + - Removed old journal migration + - Removed module rosedb + +Knot DNS 2.6.9 (2018-08-14) +=========================== + +Improvements: +------------- + - Added zone wire size to zone loading log message + - Added debug log message for each unsuccessful remote address operation + +Bugfixes: +--------- + - Zone not flushed after re-signing during zone load #594 + - Server crashes when committing empty zone transaction + - Incoming IXFR with on-slave signing sometimes leads to memory corruption #595 + +Knot DNS 2.6.8 (2018-07-10) +=========================== + +Features: +--------- + - New 'import-pkcs11' command in keymgr + +Improvements: +------------- + - Unixtime serial policy mimics Bind – increment if lower #593 + +Bugfixes: +--------- + - Creeping memory consuption upon server reload #584 + - Kdig incorrectly detects QNAME if 'notify' is a prefix + - Server crashes when zone sign fails #587 + - CSK->KZSK rollover retires CSK early #588 + - Server crashes when zone expires during outgoing multi-message transfer + - Kjournalprint doesn't convert zone name argument to lower-case + - Cannot switch to a previously used ksk-shared dnssec policy #589 + +Knot DNS 2.6.7 (2018-05-17) +=========================== + +Features: +--------- + - Added 'dateserial' (YYYYMMDDnn) serial policy configuration (Thanks to Wolfgang Jung) + +Improvements: +------------- + - Trailing data indication from the packet parser (libknot) + - Better configuration check for a problematical option combination + +Bugfixes: +--------- + - Incomplete configuration option item name check + - Possible buffer overflow in 'knot_dname_to_str' (libknot) + - Module dnsproxy doesn't preserve letter case of QNAME + - Module dnsproxy duplicates OPT and TSIG in the non-fallback mode + +Knot DNS 2.6.6 (2018-04-11) +=========================== + +Features: +--------- + - New EDNS option counters in the statistics module + - New '+orphan' filter for the 'zone-purge' operation + +Improvements: +------------- + - Reduced memory consuption of disabled statistics metrics + - Some spelling fixes (Thanks to Daniel Kahn Gillmor) + - Server no longer fails to start if MODULE_DIR doesn't exist + - Configuration include doesn't fail if empty wildcard match + - Added a configuration check for a problematical option combination + +Bugfixes: +--------- + - NSEC3 chain not re-created when SOA minimum TTL changed + - Failed to start server if no template is configured + - Possibly incorrect SOA serial upon changed zone reload with DNSSEC signing + - Inaccurate outgoing zone transfer size in the log message + - Invalid dname compression if empty question section + - Missing EDNS in EMALF responses + +Knot DNS 2.6.5 (2018-02-12) +=========================== + +Features: +--------- + - New 'zone-notify' command in knotc + - Kdig uses '@server' as a hostname for TLS authenticaion if '+tls-ca' is set + +Improvements: +------------- + - Better heap memory trimming for zone operations + - Added proper polling for TLS operations in kdig + - Configuration export uses stdout as a default output + - Simplified detection of atomic operations + - Added '--disable-modules' configure option + - Small documentation updates + +Bugfixes: +--------- + - Zone retransfer doesn't work well if more masters configured + - Kdig can leak or double free memory in corner cases + - Inconsistent error outputs from dynamic configuration operations + - Failed to generate documentation on OpenBSD + +Knot DNS 2.6.4 (2018-01-02) +=========================== + +Features: +--------- + - Module synthrecord allows multiple 'network' specification + - New CSK handling support in keymgr + +Improvements: +------------- + - Allowed configuration for infinite zsk lifetime + - Increased performance and security of the module synthrecord + - Signing changeset is stored into journal even if 'zonefile-load' is whole + +Bugfixes: +--------- + - Unintentional zone re-sign during reload if empty NSEC3 salt + - Inconsistent zone names in journald structured logs + - Malformed outgoing transfer for big zone with TSIG + - Some minor DNSSEC-related issues + +Knot DNS 2.6.3 (2017-11-24) +=========================== + +Bugfixes: +--------- + - Wrong detection of signing scheme rollover + +Knot DNS 2.6.2 (2017-11-23) +=========================== + +Features: +--------- + - CSK algorithm rollover and (KSK, ZSK) <-> CSK rollover support + +Improvements: +------------- + - Allowed explicit configuration for infinite ksk lifetime + - Proper error messages instead of unclear error codes in server log + - Better support for old compilers + +Bugfixes: +--------- + - Unexpected reply for DS query with an owner below a delegation point + - Old dependencies in the pkg-config file + +Knot DNS 2.6.1 (2017-11-02) +=========================== + +Features: +--------- + - NSEC3 Opt-Out support in the DNSSEC signing + - New CDS/CDNSKEY publish configuration option + +Improvements: +------------- + - Simplified DNSSEC log message with DNSKEY details + - +tls-hostname in kdig implies +tls-ca if neither +tls-ca nor +tls-pin is given + - New documentation sections for DNSSEC key rollovers and shared keys + - Keymgr no longer prints useless algorithm number for generated key + - Kdig prints unknown RCODE in a numeric format + - Better support for LLVM libFuzzer + +Bugfixes: +--------- + - Faulty DNAME semantic check if present in the zone apex and NSEC3 is used + - Immediate zone flush not scheduled during the zone load event + - Server crashes upon dynamic zone addition if a query module is loaded + - Kdig fails to connect over TLS due to SNI is set to server IP address + - Possible out-of-bounds memory access at the end of the input + - TCP Fast Open enabled by default in kdig breaks TLS connection + +Knot DNS 2.6.0 (2017-09-29) +=========================== + +Features: +--------- + - On-slave (inline) signing support + - Automatic DNSSEC key algorithm rollover + - Ed25519 algorithm support in DNSSEC (requires GnuTLS 3.6.0) + - New 'journal-content' and 'zonefile-load' configuration options + - keymgr tries to run as user/group set in the configuration + - Public-only DNSSEC key import into KASP DB via keymgr + - NSEC3 resalt and parent DS query events are persistent in timer DB + - New processing state for a response suppression within a query module + - Enabled server side TCP Fast Open if supported + - TCP Fast Open support in kdig + +Improvements: +------------- + - Better record owner compression if related to the previous rdata dname + - NSEC(3) chain is no longer recomputed whole on every update + - Remove inconsistent and unnecessary quoting in log files + - Avoiding of overlapping key rollovers at a time + - More DNSSSEC-related semantic checks + - Extended timestamp format in keymgr + +Bugfixes: +--------- + - Incorrect journal free space computation causing inefficient space handling + - Interface-automatic broken on Linux in the presence of asymmetric routing + +Knot DNS 2.5.7 (2018-01-02) +=========================== + +Bugfixes: +--------- + - Unintentional zone re-sign during reload if empty NSEC3 salt + - Inconsistent zone names in journald structured logs + - Malformed outgoing transfer for big zone with TSIG + - Unexpected reply for DS query with an owner below a delegation point + - Old dependencies in the pkg-config file + +Knot DNS 2.5.6 (2017-11-02) +=========================== + +Improvements: +------------- + - Keymgr no longer prints useless algorithm number for generated key + +Bugfixes: +--------- + - Faulty DNAME semantic check if present in the zone apex and NSEC3 is used + - Immediate zone flush not scheduled during the zone load event + - Server crashes upon dynamic zone addition if a query module is loaded + - Kdig fails to connect over TLS due to SNI is set to server IP address + +Knot DNS 2.5.5 (2017-09-29) +=========================== + +Improvements: +------------- + - Constant time memory comparison in the TSIG processing + - Proper use of the ctype functions + - Generated RRSIG records have inception time 90 minutes in the past + +Bugfixes: +--------- + - Incorrect online signature for NSEC in the case of a CNAME record + - Incorrect timestamps in dnstap records + - EDNS Subnet Client validation rejects valid payloads + - Module configuration semantic checks are not executed + - Kzonecheck segfaults with unusual inputs + +Knot DNS 2.5.4 (2017-08-31) +=========================== + +Improvements: +------------- + - New minimum and maximum refresh interval config options (Thanks to Manabu Sonoda) + - New warning when unforced flush with disabled zone file synchronization + - New 'dnskey' keymgr command + - Linking with libatomic on architectures that require it (Thanks to Pierre-Olivier Mercier) + - Removed 'OK' from listing keymgr command outputs + - Extended journal and keymgr documentation and logging + +Bugfixes: +--------- + - Incorrect handling of specific corner-cases with zone-in-journal + - The 'share' keymgr command doesn't work + - Server crashes if configured with query-size and reply-size statistics options + - Malformed big integer configuration values on some 32-bit platforms + - Keymgr uses local time when parsing date inputs + - Memory leak in kdig upon IXFR query + +Knot DNS 2.5.3 (2017-07-14) +=========================== + +Features: +--------- + - CSK rollover support for Single-Type Signing Scheme + +Improvements: +------------- + - Allowed binding to non-local adresses for TCP (Thanks to Julian Brost!) + - New documentation section for manual DNSSEC key algorithm rollover + - Initial KSK also generated in the submission state + - The 'ds' keymgr command with no parameter uses all KSK keys + - New debug mode in kjournalprint + - Updated keymgr documentation + +Bugfixes: +--------- + - Sometimes missing RRSIG by KSK in submission state. + - Minor DNSSEC-related issues + +Knot DNS 2.5.2 (2017-06-23) +=========================== + +Security: +--------- + - CVE-2017-11104: Improper TSIG validity period check can allow TSIG forgery (Thanks to Synacktiv!) + +Improvements: +------------- + - Extended debug logging for TSIG errors + - Better error message for unknown module section in the configuration + - Module documentation compilation no longer depends on module configuration + - Extended policy section configuration semantic checks + - Improved python version compatibility in pykeymgr + - Extended migration section in the documentation + - Improved DNSSEC event timing on 32-bit systems + - New KSK rollover start log info message + - NULL qtype support in kdig + +Bugfixes: +--------- + - Failed to process included configuration + - dnskey_ttl policy option in the configuration has no effect on DNSKEY TTL + - Corner case journal fixes (huge changesets, OpenWRT operation) + - Confusing event timestamps in knotc zone-status output + - NSEC/NSEC3 bitmap not updated for CDS/CDNSKEY + - CDS/CDNSKEY RRSIG not updated + +Knot DNS 2.5.1 (2017-06-07) +=========================== + +Bugfixes: +--------- + - pykeymgr no longer crash on empty json files in the KASP DB directory + - pykeymgr no longer imports keys in the "removed" state + - Imported keys in the "removed" state no longer makes knotd to crash + - Including an empty configuration directory no longer makes knotd to crash + - pykeymgr is distributed and installed to the distribution tarball + +Knot DNS 2.5.0 (2017-06-05) +=========================== + +Features: +--------- + - KASP database switched from JSON files to LMDB database + - KSK rollover support using CDNSKEY and CDS in the automatic DNSSEC signing + - Dynamic module loading support with proper module API + - Journal can store full zone contents (not only differences) + - Zone freeze/thaw support + - Updated knotc zone-status output with optional column filters + - New '[no]crypto' option in kdig + - New keymgr implementation reflecting KASP database changes + - New pykeymgr for JSON-based KASP database migration + - Removed obsolete knot1to2 utility + +Improvements: +------------- + - Added libidn2 support to kdig (with libidn fallback) + - Maximum timer database switched from configure to the server configuration + +Knot DNS 2.4.4 (2017-06-05) +=========================== + +Improvements: +------------- + - Improved error handling in kjournalprint + +Bugfixes: +--------- + - Zone flush not replanned upon unsuccessful flush + - Journal inconsistency after deleting deleted zone + - Zone events not rescheduled upon server reload (Thanks to Mark Warren) + - Unreliable LMDB mapsize detection in kjournalprint + - Some minor issues found by AddressSanitizer + +Knot DNS 2.4.3 (2017-04-11) +=========================== + +Improvements: +------------- + - New 'journal-db-mode' optimization configuration option + - The default TSIG algorithm for utilities input is HMAC-SHA256 + - Implemented sensible default EDNS(0) padding policy (Thanks to D. K. Gillmor) + - Added some more semantic checks on the knotc configuration operations + +Bugfixes: +--------- + - Missing 'zone' keyword in the YAML output + - Missing trailing dot in the keymgr DS owner output + - Journal logs 'invalid parameter' in several cases + - Some minor journal-related problems + +Knot DNS 2.4.2 (2017-03-23) +=========================== + +Features: +--------- + - Zscanner can store record comments placed on the same line + - Knotc status extension with version, configure, and workers parameters + +Improvements: +------------- + - Significant incoming XFR speed-up in the case of many zones + +Bugfixes: +--------- + - Double OPT RR insertion when a global module returns KNOT_STATE_FAIL + - User-driven zscanner parsing logic inconsistency + - Lower serial at master doesn't trigger any errors + - Queries with too long DNAME substitution do not return YXDOMAIN response + - Incorrect elapsed time in the DDNS log + - Failed to process forwarded DDNS request with TSIG + +Knot DNS 2.4.1 (2017-02-10) +=========================== + +Improvements: +------------- + - Speed-up of rdata addition into a huge rrset + - Introduce check of minimum timeout for next refresh + - Dnsproxy module can forward all queries without local resolving + +Bugfixes: +-------- + - Transfer of a huge rrset goes into an infinite loop + - Huge response over TCP contains useless TC bit instead of SERVFAIL + - Failed to build utilities with disabled daemon + - Memory leaks during keys removal + - Rough TSIG packet reservation causes early truncation + - Minor out-of-bounds string termination write in rrset dump + - Server crash during stop if failed to open timers DB + - Failed to compile on OS X older than Sierra + - Poor minimum UDP-max-size configuration check + - Failed to receive one-record-per-message IXFR-style AXFR + - Kdig timeouts when receiving RCODE != NOERROR on subsequent transfer message + +Knot DNS 2.4.0 (2017-01-18) +=========================== + +Bugfixes: +-------- + - False positive semantic-check warning about invalid bitmap in NSEC + - Unnecessary SOA queries upon notify with up to date serial + - Timers for expired zones are reset on reload + - Zone doesn't expire when the server is down + - Failed to handle keys with duplicate keytags + - Per zone module and global module insconsistency + - Obsolete online signing module configuration + - Malformed output from kjournalprint + - Redundant SO_REUSEPORT activation on the TCP socket + - Failed to use higher number of background workers + +Improvements: +------------- + - Lower memory consumption with qp-trie + - Zone events and zone timers improvements + - Print all zone names in the FQDN format + - Simplified query module interface + - Shared TCP connection between SOA query and transfer + - Response Rate Limiting as a module with statistics support + - Key filters in keymgr + +Features: +--------- + - New unified LMDB-based zone journal + - Server statistics support + - New statistics module for traffic measuring + - Automatic deletion of retired DNSSEC keys + - New control logging category + +Knot DNS 2.3.4 (2017-11-20) +=========================== + +Security: +--------- + - CVE-2017-11104: Improper TSIG validity period check can allow TSIG forgery (Thanks to Synacktiv!) + +Bugfixes: +--------- + - Unexpected response for DS query below delegation poing + - Zone events not rescheduled upon server reload (Thanks to Mark Warren) + - Missing trailing dot in the keymgr DS owner output + - Malformed output from kjournalprint + - Redundant SO_REUSEPORT activation on the TCP socket + +Knot DNS 2.3.3 (2016-12-08) +=========================== + +Bugfixes: +--------- + - Double free when failed to apply zone journal + - Zone bootstrap retry interval not preserved upon zone reload + - DNSSEC related records not flushed if not signed + - False semantic checks warning about incorrect type in NSEC bitmap + - Memory leak in kzonecheck + +Improvements: +------------- + - All zone names are fully-qualified in log + +Features: +--------- + - New kjournalprint utility + +Knot DNS 2.3.2 (2016-11-04) +=========================== + +Bugfixes: +--------- + - Incorrect %s expansion for the root zone + - Failed to refresh not existing slave zone after restart + - Immediate zone refresh upon restart if refresh already scheduled + - Early zone transfer after restart if transfer already scheduled + - Not ignoring empty non-terminal parents during delegation lookup + - CD bit preservation in responses + - Compilation error on GNU/kFreeBSD + - Server crash after double zone-commit if journal error + +Improvements: +------------- + - Speed-up of knotc if control operation and known socket + - Zone purge operation purges also zone timers + +Features: +--------- + - Simple modules don't require empty configuration section + - New zone journal path configuration option + - New timeout configuration option for module dnsproxy + +Knot DNS 2.3.1 (2016-10-07) +=========================== + +Bugfixes: +--------- + - Missing glue records in some responses + - Knsupdate prompt printing on non-terminal + - Mismatch between configuration policy item names and documentation + - Segfault on OS X (Sierra) + +Improvements: +------------- + - Significant speed-up of conf-commit and conf-diff operations (in most cases) + - New EDNS Client Subnet libknot API + - Better semantic-checks error messages + +Features: +--------- + - Print TLS certificate hierarchy in kdig verbose mode + - New +subnet alias for +client + - New mod-whoami and mod-noudp modules + - New zone-purge control command + - New log-queries and log-responses options for mod-dnstap + +Knot DNS 2.3.0 (2016-08-09) +=========================== + +Bugfixes: +--------- + - No wildcard expansion below empty non-terminal for NSEC signed zone + - Avoid multiple loads of the same PKCS #11 module + - Fix kdig IXFR response processing if the transfer content is empty + - Don't ignore non-existing records to be removed in IXFR + +Improvements: +------------- + - Refactored semantic checks and improved error messages + - Set TC flag in delegation only if mandatory glue doesn't fit the response + - Separate EDNS(0) payload size configuration for IPv4 and IPv6 + +Features: +--------- + - DNSSEC policy can be defined in server configuration + - Automatic NSEC3 resalt according to DNSSEC policy + - Zone content editing using control interface + - Zone size limit restriction for DDNS, AXFR, and IXFR (CVE-2016-6171) + - DNS-over-TLS support in kdig (RFC 7858) + - EDNS(0) padding and alignment support in kdig (RFC 7830) + +Knot DNS 2.2.1 (2016-05-24) +=========================== + +Bugfixes: +--------- + - Fix separate logging of server and zone events + - Fix concurrent zone file flushing with many zones + - Fix possible server crash with empty hostname on OpenWRT + - Fix control timeout parsing in knotc + - Fix "Environment maxreaders limit reached" error in knotc + - Don't apply journal changes on modified zone file + - Remove broken LTO option from configure script + - Enable multiple zone names completion in interactive knotc + - Set the TC flag in a response if a glue doesn't fit the response + - Disallow server reload when there is an active configuration transaction + +Improvements: +------------- + - Distinguish unavailable zones from zones with zero serial in log messages + - Log warning and error messages to standard error output in all utilities + - Document tested PKCS #11 devices + - Extended Python configuration interface + +Knot DNS 2.2.0 (2016-04-26) +=========================== + +Bugfixes: +--------- + - Fix build dependencies on FreeBSD + - Fix query/response message type setting in dnstap module + - Fix remote address retrieval from dnstap capture in kdig + - Fix global modules execution for queries hitting existing zones + - Fix execution of semantic checks after an IXFR transfer + - Fix PKCS#11 support detection at build time + - Fix kdig failure when the first AXFR message contains just the SOA record + - Exclude non-authoritative types from NSEC/NSEC3 bitmap at a delegation + - Mark PKCS#11 generated keys as sensitive (required by Luna SA) + - Fix error when removing the only zone from the server + - Don't abort knotc transaction when some check fails + +Features: +--------- + - URI and CAA resource record types support + - RRL client address based white list + - knotc interactive mode + +Improvements: +------------- + - Consistent IXFR error messages + - Various fixes for better compatibility with PKCS#11 devices + - Various keymgr user interface improvements + - Better zone event scheduler performance with many zones + - New server control interface + - kdig uses local resolver if resolv.conf is empty + +Knot DNS 2.1.1 (2016-02-10) +=========================== + +Bugfixes: +--------- + - DNSSEC: Allow import of duplicate private key into the KASP + - DNSSEC: Avoid duplicate NSEC for Wildcard No Data answer + - Fix server crash when an incoming transfer is in progress and reload is issued + - Fix socket polling when configured with many interfaces and threads + - Fix compilation against Nettle 3.2 + +Improvements: +------------- + - Select correct source address for UDP messages received on ANY address + - Extend documentation of knotc commands + +Knot DNS 2.1.0 (2016-01-14) +=========================== + +Features: +--------- + - Per-thread UDP socket binding using SO_REUSEPORT on Linux + - Support for dynamic configuration database + - DNSSEC: Support for cryptographic tokens via PKCS #11 interface + - DNSSEC: Experimental support for online signing + +Improvements: +------------- + - Support for zone file name patterns + - Configurable location of zone timer database + - Non-blocking network operations and better timeout handling + - Caching of Critical configuration values for better performance + - Logging of ACL failures + - RRL: Add rate-limit-slip zero support to drop all responses + - RRL: Document behavior for different rate-limit-slip options + - kdig: Warning instead of error on TSIG validation failure + - Cleanup of support libraries interfaces (libknot, libzscanner, libdnssec) + - Remove possibly insecure server control over a network socket + - Remove implementation limit for the number of network interfaces + +Bugfixes: +--------- + - synth-record module: Fix application of default configuration options + - TSIG: Allow compressed TSIG name when forwarding DDNS updates + - Schedule zone bootstrap after slave zone fails to load from disk + +Knot DNS 2.0.2 (2015-11-24) +=========================== + +Bugfixes: +--------- + - Out-of-bound read in packet parser for malformed NAPTR records (LibFuzzer) + +Knot DNS 2.0.1 (2015-09-02) +=========================== + +Bugfixes: +--------- + - Do not reload expired zones on 'knotc reload' and server startup + - Fix rare race-condition in event scheduling causing delayed event execution + - Fix skipping of non-authoritative nodes in NSEC proofs + - Fix TC flag setting in RRL slipped answers + - Disable domain name compression for root label + - Log via journald only when running under systemd + - Fix CNAME following when quering for NSEC RR type + - Fix refreshing of DNSSEC signatures for zone keys + - Fix binding an unavailable IPv6 address on Linux (IP_FREEBIND) + - Fix infinite loop in knotc zonestatus and memstats + - Fix memory leak in configuration on server shutdown + - Fix broken dnsproxy module + - Fix DNSSEC KASP timestamps parsing in strict POSIX environment + - Fix multi value parsing on big-endian + - Adapt to Nettle 3 API break causing base64 decoding failures on big-endian + +Features: +--------- + - Add 'keymgr zone key ds' to show key's DS record + - Add 'keymgr tsig generate' to generate TSIG keys + - Add query module scoping to process either all queries or zone queries only + - Add support for file name globbing in config file includes + - Add 'request-edns-option' config option to add custom EDNS0 option into + server initiated queries + +Improvements: +------------- + - Send minimal responses (remove NS from Authority section for NOERROR) + - Update persistent timers only on shutdown for better performance + - Allow change of RR TTL over DDNS + - Documentation fixes, updates, and improvements in formatting + - Install yparser and zscanner header files + - Improve lookup of libsystemd build dependencies + - Fix compilation warnings in endian conversion functions on OpenBSD + +Knot DNS 2.0.0 (2015-06-26) +=========================== + +Bugfixes: +--------- + - Fix lost NOTIFY message if received during zone transfer + - Disable fast zone parser when compiled in Clang (workaround for Clang bug) + - kdig: Record correct dnstap SocketProtocol when retrying over TCP + - kdig: Hide TSIG section with +noall + - Do not set AA flag for AXFR/IXFR queries + +Features: +--------- + - DNSSEC: separate library, switch to GnuTLS, new utilities + - DNSSEC: basic KASP support (generate initial keys, ZSK rollover) + - Configuration: New text format in YAML, binary store in LMDB + - Zone parser: Split long TXT/SPF strings into multiple strings + - kdig: Add generic dump style option (+generic) + - Try all master servers in multi-master environment + - Improved remotes and ACLs (multiple addresses, multiple keys) + - Basic support for zone file patterns (%s to substitute zone name) + - Disable zone file synchronization by setting 'zonefile_sync' to '-1' + - knsupdate: Add input prompt in interactive mode and 'quit' command + - knsupdate: Allow TSIG algorithm specification in interactive prompt + +Improvements: +------------- + - Zone dump: Do not write class for SOA record (unified with other RR types) + - Zone dump: Do not write master server address into the zone file + - Documentation: Manual pages are included in HTML and PDF + +Knot DNS 1.6.3 (2015-04-08) +=========================== + +Bugfixes: +--------- + - Performance drop for NSEC-signed zones + - Proper handling of TCP short-writes + - Out-of-bound read in zone parser for long domain names in origin (AFL fuzzer) + - Out-of-bound read in packet parser for TSIG RR without RDATA (AFL fuzzer) + - Out-of-bound read in packet parser for malformed NAPTR RR (AFL fuzzer) + +Features: +-------- + - CDS and CDNSKEY support in zone parser + +Improvements: +------------- + - Add defaults for TCP config options into documentation + - Detailed error message if zone reload fails + +Knot DNS 1.6.2 (2015-02-19) +=========================== + +Features: +--------- + - Limiting number of parallel TCP clients (max-tcp-clients config option) + +Bugfixes: +--------- + - Ignore refresh and transfer events on non-slave zones + - Compilation with Dnstap support on FreeBSD + - Possible file descriptor leak when terminating inactive TCP clients + +Knot DNS 1.6.1 (2014-12-13) +=========================== + +Bugfixes: +--------- + - Journal file would sometimes outgrow its limit (ixfr-fslimit in configuration) + - Fixed incompatibility with OpenSSL 0.9.8 + - Proper handling when hostname cannot be retreived (for NSID and CH) + +Features: +--------- + - DNSSEC Single Type Signing Scheme is now supported + +Knot DNS 1.6.0 (2014-10-23) +=========================== + +Bugfixes: +--------- + - Fix zone expiration when AXFR/IXFR is being refused by master + - Fix forced zone refresh on slave (knotc refresh -f) + +Knot DNS 1.6.0-rc2 (2014-10-17) +=============================== + +Improvements: +------------- + - Maximal size of persistent timers database increased from 10 MB to 100 MB + - Added logging of persistent timers database errors + +Bugfixes: +--------- + - Persistent timers database opening after privileges has been dropped + +Knot DNS 1.6.0-rc1 (2014-10-13) +=============================== + +Features: +--------- + - Persistent timers for slave zones (expire, refresh, and flush) + +Bugfixes: +--------- + - DNSSEC: RFC compliant processing of letter case in RDATA domain names + - EDNS: Return minimal error response for queries with unsupported version + - EDNS: Fix interpretation of Extended RCODE + +Knot DNS 1.5.3 (2014-09-15) +=========================== + +Bugfixes: +--------- + - Some specific incoming IXFRs were causing server to crash + - Rare sychronization error during reload caused read-after-free + - Response synthetization module did not work properly with DNSSEC-enabled zones + - When Knot sent AXFR when IXFR was requested, message ID and opcode were wrong + - Knot failed to send large messages to remote control (present since 1.5.1) + +Knot DNS 1.5.2 (2014-09-08) +=========================== + +Bugfixes: +--------- + - Some RR parsing corner cases were not handled properly + - AXFR-style IXFR was refused and had to be retransferred + - Hash character (#) was not properly escaped when storing text zone file + +Knot DNS 1.5.1 (2014-08-19) +=========================== + +Features: +--------- + - Basic support for logging using systemd journal + - DDNS: Ability to process updates in bulk + +Improvements: +------------- + - Unified logging messages structure + - DNSSEC: More strict controls for signing keys + +Bugfixes: +--------- + - DNSSEC: DNAMEs in RDATA were not lowercased before signing + - EDNS: OPT RR were not put into responsing for some errors + - TSIG: DDNS responses were not signed with TSIG + - DDNS: Prerequisite checks failed for some inputs + - knsupdate: Zone origin was not used for deletions + +Knot DNS 1.5.0 (2014-07-08) +=========================== + +Features: +--------- + - DDNS forwarding reimplemented + +Improvements: +------------- + - Transfer sizes logged in bytes if needed + - Logging outgoing NOTIFY messages + - Logging unauthorized incoming NOTIFYs + +Bugfixes: +--------- + - Zone flush planning after bootstrap + - Incorrect incoming AXFR message sizes + - DDNS signing changes were freed too soon, posibility of stale data + - knotc remote control key handling + +Knot DNS 1.5.0-rc2 (2014-06-18) +=============================== + +Features: +--------- + - edns-client-subnet support in kdig + - Optional asynchronous startup (config "asynchronous-start") + +Improvements: +------------- + - Preempt task queue for faster reload + - Lazy zone file write after zone transfer (governed by + "zonefile-sync") + +Bugfixes: +--------- + - Close zone transfer after SERVFAIL response + - Incremental to full zone transfer fallback, wrong log message + - Zone events corner cases, reload replanning + +Knot DNS 1.5.0-rc1 (2014-06-03) +=============================== + +Features: +--------- + - Pluggable query processing modules + - Synthetic IPv4/IPv6 reverse/forward records (optional module) + - dnstap support in both utilities & server (optional module) + - NOTIFY message support and new TSIG section in kdig + - Zone transfer master failover + +Improvements: +------------- + - Query processing and core functionality overhaul + - Performance and reduced memory footprint + - Faster zone events scheduling + - RFC compliant queries/responses in some corner cases + - Log messages + - New documentation (Sphinx) + +Knot DNS 1.4.2 (2014-01-27) +=========================== + +Bugfixes: +--------- + - AXFR/IXFR compatibility issues with tinydns/axfrdns + - Journal file is created only when needed + - Zone-related log messages are logged into correct category + - DNSSEC: Refresh signatures earlier (3 days before their expiration + with the default signature lifetime) + - Fixed RCU synchronization causing deadlock on 'knotc signzone' + - RRSIG not fitting in the additional records doesn't cause + truncation + +Knot DNS 1.4.1 (2014-01-13) +=========================== + +Bugfixes: +--------- + - Empty APL record support + - 'zonestatus' when using immediate zone syncing + - Immediate zone syncing after reload + - Race condition writing time values to zone file + +Knot DNS 1.4.0 (2014-01-06) +=========================== + +Features: +--------- + - Zone SERIAL policies (INCREMENT, UNIXTIME) + - IDN support in Knot utilities + - DNSSEC: support for GOST algorithm + - Better logging of automatic DNSSEC events + - Support for DNSSEC key pre-publication + - Experimental automatic DNSSEC signing + - Reduced memory usage + +Improvements: +------------- + - ./configure prints build configuration summary + - Pretty zone file output (DNSSEC-related data separately) + - Lower memory consumption + - config: option 'dnssec-keydir' can be set per zone + - config: option 'storage' can be set per zone + +Bugfixes: +--------- + - AXFR crash with specific packet + - QNAME case-sensitive since 1.4.0-rc0 + - DNSSEC records over DDNS + - Semantic check fail in AXFR is only soft-error + - Journal race condition + - Notifies are sent immediately + - Crash in particular additionals processing + - Race condition in event cancellation + - Journal corruption after failed transactions + - DNSSEC: fixed detection of ECDSA support + - Refactored zone loading + - Improved journal locking and fixed some race conditions + - Various fixes in client utilities + - Fixed memory errors in automatic DNSSEC signing + - 'dnssec-keydir' doesn't auto-enable signing + - Fixed rescheduling of zone resigns + +Knot DNS 1.3.3 (2013-10-28) +=========================== + +Bugfixes: +--------- + - Improved zone loading error messages + - Correct control socket permissions + - Improved log syntax documentation + - Fixed wrong assertions in DDNS prerequisites checking + - Fixed processing of some malformed DNS packets + - Fixed notify messages being ignored in some cases + +Knot DNS 1.3.2 (2013-09-30) +=========================== + +Bugfixes: +--------- + - Configuration option for EDNS0 max UDP payload. + - Max UDP payload from EDNS0 affected TCP responses. + - Fixed build on SLE 10. + - knotc reload did not close files included from config. + +Knot DNS 1.3.1 (2013-08-26) +=========================== + +Bugfixes: +--------- + - Response with NSID contained extra bytes after reload + - List of remotes is scanned for longest prefix match + - Multipacket TSIG signatures for transfers + - Wrongly parsed TSIG key secret without quotes + - Removed autoconf checks for extended instruction sets + +Knot DNS 1.3.0 (2013-08-05) +=========================== + +Features: +--------- + - Defaults for CH TXT id.server,version.server (see doc) + - Much faster bootstrap of many zones + - --with-configdir option for default config path + - Reintroducted 'pidfile' config option + - Utility to estimate memory consumption (see 'knotc memstats') + - PID file is not created when running on foreground + - UNIX sockets support for knotc + - Configurable 'rundir' and 'storage' + - Faster zone parser + - Full support for EUI and ILNP resource records + - Lower memory footprint for large zones + - No compilation of zones + - Improved scheduling of zone transfers + - Logging of serials and timing information for zone transfers + - Config: 'groups' keyword allowing to create groups of remotes + - Config: 'include' keyword allowing other file includes + - Client utilities: kdig, khost, knsupdate + - Server identification using TXT/CH queries (RFC 4892) + - Improved build scripts + - Improved dname compression and performance + +Bugfixes: +--------- + - Progressive interval for bootstrap retry + - Transfers randomly cancelled + - Disabling RRL on reload + - Secondary groups not initialized when dropping privileges + - Responding to DS queries for names at or below delegation points + - Removed deprecated 'knotc -w' option + - Slave ignores out-of-zone records in zone + - Support for obsolete types in zone transfers + - Slave zone file names fixes + - Long transfers being randomly dropped + - AXFR/IXFR subsystem performance improvements + - Rescheduling of AXFR in some cases + - RRSIGs not in the same section for DS records + - Log messages leaking to syslog + - 'knotc restart' option removed due to several limitations + - IXFR with an arbitrary number of diffs + - Processing of knotc TSIG keyfile + - Atomic PID file writing, removed deprecated 'knotc start' + - Performance regression when RRSIGs came before covered RRs in AXFR + - Label compression related bug + - Proper resolution of some CNAME chains + - Unstable response rate in rare cases + - Several log messages + - Fixed creating of PID file when dropping privileges + +Knot DNS 1.2.0 (2013-03-29) +=========================== + +Features: +--------- + - knotc 'zonestatus' command + - Response rate limiting (see documentation) + - Dynamic updates, including forwarding (limited on signed zones) + - Updated remote control utility + - Configurable TCP timeouts + - LOC RR support + +Bugfixes: +--------- + - Memory leaks + - Check for broken recvmmsg() implementation + - Changing logfile ownership before dropping privileges + - knotc respects 'control' section from configuration + - RRL: resolved bucket collisions + - RRL: updated bucket mapping to conform RRL technical memo + - Fixed OpenBSD build + - Responses to ANY should contain RRSIGs + - Fixed processing of some non-standard dnames. + - Correct checking of label length bounds in some cases. + - More compliant rcodes in case of DDNS/TSIG failures. + - Correct processing of malformed DDNS prereq section. + +Knot DNS 1.1.3 (2012-12-19) +=========================== + +Bugfixes: +--------- + - Updated manpage. + - Fixed answering DS queries (RRSIGs not together with DS, AA bit + missing). + - Fixed setting ARCOUNT in some error responses with EDNS enabled. + - Fixed crash when compiling zone zone with NSEC3PARAM but no NSEC3 + and semantic checks enabled. + +Knot DNS 1.1.2 (2012-11-21) +=========================== + +Bugfixes: +--------- + - Fixed debug message. + - Fixed crash on reload when config contained duplicate zones. + - Fixed scheduling of transfers. + +Knot DNS 1.1.1 (2012-10-31) +=========================== + +Features: +--------- + - Improved compression of packets. Out-of-zone dnames present in + RDATA were not compressed. + - Slave zones are now automatically refreshed after startup. + - Proper response to IXFR/UDP query (returns SOA in Authority + section). + +Bugfixes: +--------- + - Fixed assertion failing when asking directly for a wildcard name. + - Crash after IXFR in certain cases when adding RRSIG in an IXFR. + - Fixed behaviour when incoming IXFR removes a zone cut. Previously + occluded names now become properly visible. Previously lead to a + crash when the server was asked for the previously occluded name. + - Fixed handling of zero-length strings in text zone dump. Caused the + compilation to fail. + - Fixed TSIG algorithm name comparison - the names should be in + canonical form. + - Fixed handling unknown RR types with type less than 251. + +Knot DNS 1.1.0 (2012-08-31) +=========================== + +Features: +--------- + - Signing SOA with TSIG queries when checking zone version with + master. + - Optionally disable ANY queries for authoritative answers. + - Dropping identical records in zone and incoming transfers. + - Support for '/' in zone names. + - Generating journal from reloaded zone (EXPERIMENTAL). + - Outgoing-only interfaces in configuration file. + - Following DNAME if the synthetized name is in the same zone. + +Bugfixes: +--------- + - Syncing journal to zone was not updating the compiled zone + database. + - Fixed ixfr-from-differences journal generation in case of IPSECKEY + and APL records. + - Fixed possible leak on server shutdown with a pending transfer. + - Crash when zone contained RRSIG signing a CNAME, but did not + contain the CNAME. + - Malformed packets parsing. + - Failed IXFR caused memory leaks. + - Failed IXFR might have resulted in inconsistent zone structures. + - Fixed answering to +dnssec queries when NSEC3 chain is corrupted. + - Fixed answering when transitioning from NSEC3 to NSEC. + - Fixed answering when zone contains multiple NSEC3 chains. + - Handling RRSets with different TTLs - TTL from the first RR is + used. + - Synchronization of zone reload and zone transfers. + - Fixed build on NetBSD 5 and FreeBSD. + - Fixed binding to both IPv4 and IPv6 at the same time on special + interfaces. + - Fixed access rights of created files. + - Semantic checks corrupted RDATA domain names which are covered by + wildcard in the same zone. + +Improvements: +------------- + - Improved user manual. + - Better checks of corrupted zone database. + - IXFR-in optimized. + - Many zones loading optimized. + - More detailed log messages (mostly transfer-related). + - Copying Question section to error responses. + - Using zone name from config file as default origin in zone file. + - Additional records are now added to response also from + wildcard-covered names. + +Knot DNS 1.0.6 (2012-06-13) +=========================== + +Bugfixes: +--------- + - Fixed potential problems with RCU synchronization. + - Adding NSEC/NSEC3 for all wildcard CNAMEs in the response. + +Knot DNS 1.0.5 (2012-05-17) +=========================== + +Bugfixes: +--------- + - Fixed bug with creating journal files. + +Knot DNS 1.0.4 (2012-05-16) +=========================== + +Features: +--------- + - Parallel loading of zones to the server. + - RFC3339-complaint format of log time. + - Support for TLSA (RR type 52). + - knotc checkzone (as a dry-run of zone compile). + - knotc refresh for forcing Knot to update all zones from master + servers. + - Reopening log files upon start (used to truncate them). + +Improvements: +------------- + - Significantly sped up IXFR-in and reduced its memory requirements. + +Bugfixes: +--------- + - Copying OPCODE and RD bit from query to NOTIMPL responses. + - Corrected response to CNAME queries if the canonical name was also + an alias (was adding the whole CNAME chain to the response). + - Fixed crash when NS or MX points to an alias. + - Fixed problem with early closing of filedescriptors (lead to crash + when compiling and loading or bootstrapping and restarting the + server with a lot of zones). + +Knot DNS 1.0.3 (2012-04-17) +=========================== + +Bugfixes: +--------- + - Corrected handling of EDNS0 when TCP is used (was applying the UDP + size limit). + - Fixed slow compilation of zones. + - Fixed potential crash with many concurrent transfers. + - Fixed missing include for FreeBSD. + +Knot DNS 1.0.2 (2012-04-13) +=========================== + +Features: +--------- + - Configuration checker (invoked via knotc). + - Specifying source interface for transfers and NOTIFY requests + directly. + +Bugfixes: +--------- + - Fixed leak when querying non-existing name and zone SOA TTL > + minimal. + - Fixed some minor bugs in tansfers. + +Improvements: +------------- + - Improved log messages (added date and time, better specification of + XFR remote). + - Improved saving incoming IXFR to journal (memory optimized). + - Now using system scheduler (better for Linux). + - Decreased thread stack size. + +Knot DNS 1.0.1 (2012-05-09) +=========================== + +Features: +--------- + - Implemented jitter to REFRESH/RETRY timers. + - Implemented magic bytes for journal. + - Improved error messages. + +Bugfixes: +--------- + - Problem with creating IXFR journal for bootstrapped zone. + - Race condition in processing NOTIFY/SOA queries. + - Leak when reloading zone with NSEC3. + - Processing of APL RR. + - TSIG improper assignment of algorithm type. + +Knot DNS 1.0.0 (2012-02-29) +=========================== + +Features: +--------- + - Support for subnets in ACL. + - Debug messages enabling in configure. + - Optimized memory consuption of zone structures. + - NSID support (RFC5001). + - Root zone support. + - Automatic zone compiling on server start. + - Setting user to run Knot under in config file. + - Dropping privileges after binding to port 53. + + Support for Linux capabilities(7). + - Setting source address of outgoing transfers in config file. + - Custom PID file. + - CNAME loop detection. + - Timeout on TCP connections. + - Basic defense against DoS attacks. + +Bugfixes: +--------- + - Memory errors and leaks. + - Fixed improper handling of failed IXFR/IN. + - Several other minor bugfixes. + - Fixed IXFR processing. + - Patched URCU so that it compiles on architectures without TLS in + compiler (NetBSD, OpenBSD). + - Fixed response to DS query at parent zone. + - A lot of other bugfixes. + +Knot DNS 0.9.1 (2012-01-20) +=========================== + +Features: +--------- + - RRSet rotation + +Improvements: +------------- + - Replaced pseudo-random number generator by one with MIT/BSD + license. + +Bugfixes: +--------- + - Fixed build on BSD. + - Fixes in parsing and dumping of zone RR types IPSECKEY, WKS, DLV, + APL, NSAP + +Knot DNS 0.9.0 (2012-01-13) +=========================== + +Features: +--------- + - TSIG support in both client and server. + - Use of sendmmsg() on Linux 3.0+ (improves performance). + +Bugfixes: +--------- + - Knot was not accepting AXFR-style IXFR with first SOA in a separate + packet (i.e. from Power DNS). + - Wrong SOA TTL in negative answers. + - Wrong max packet size for outgoing transfers (was causing the + packets to be malformed). + - Wrong handling of WKS record in zone compiler. + - Problems with zone bootstrapping. + +Knot DNS 0.8.1 (2011-12-01) +=========================== + +Bugfixes: +--------- + - Handling SPF record. + - Wrong text dump of unknown records. + +Knot DNS 0.8.0 (2011-11-03) +=========================== + +Features: +--------- + - First Public Release + - AXFR-in/-out + - IXFR-in/-out + - EDNS0 + - DNSSEC + - NSEC3 + - IPv6 + - Runtime reconfiguration + +Known issues: +------------- + - Missing support for TSIG + - Root zone support + - NSID support + - Other DNS classes than IN + - RRSet rotation not implmented + - Dynamic update support + - IXFR code might be flaky sometimes + - IXFR may be slow when too much (10 000+) RRSets are transferred at + once |