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Knot DNS 2.6.0-dev (2017-xx-xx)
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Knot DNS 2.5.2 (2017-06-23)
===========================

Security:
---------
 - 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

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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

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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
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Knot DNS 2.4.1 (2017-02-10)
===========================

Improvements:
-------------
 - Speed-up of rdata addition into a huge rrset
 - Introduce check of minumum 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

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Knot DNS 2.4.0 (2017-01-18)
===========================
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Bugfixes:
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 - 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
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Improvements:
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 - Lower memory consumption with qp-trie
 - Zone events and zone timers improvements
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 - Print all zone names in the FQDN format
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 - 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
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Features:
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 - New unified LMDB-based zone journal
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 - Server statistics support
 - New statistics module for traffic measuring
 - Automatic deletion of retired DNSSEC keys
 - New control logging category

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:
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 - Simple modules don't require empty configuration section
 - New zone journal path configuration option
 - New timeout configuration option for module dnsproxy
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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:
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 - 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
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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)
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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
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Knot DNS 2.2.0 (2016-04-26)
===========================
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Bugfixes:
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 - 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
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Features:
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 - URI and CAA resource record types support
 - RRL client address based white list
 - knotc interactive mode
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Improvements:
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 - 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
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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
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 - Fix server crash when an incoming transfer is in progress and reload is issued
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 - Fix socket polling when configured with many interfaces and threads
 - Fix compilation against Nettle 3.2

Improvements:
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 - Select correct source address for UDP messages received on ANY address
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 - Extend documentation of knotc commands
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Knot DNS 2.1.0 (2016-01-14)
===========================
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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)
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 - Remove possibly insecure server control over a network socket
 - Remove implementation limit for the number of network interfaces
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Bugfixes:
---------
 - synth-record module: Fix application of default configuration options
 - TSIG: Allow compressed TSIG name when forwarding DDNS updates
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 - Schedule zone bootstrap after slave zone fails to load from disk
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Knot DNS 2.0.2 (2015-11-24)
===========================

Bugfixes:
---------
 - Out-of-bound read in packet parser for malformed NAPTR records (LibFuzzer)

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Knot DNS 2.0.1 (2015-09-02)
===========================
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Bugfixes:
---------
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 - 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
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 - Fix CNAME following when quering for NSEC RR type
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 - Fix refreshing of DNSSEC signatures for zone keys
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 - Fix binding an unavailable IPv6 address on Linux (IP_FREEBIND)
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 - 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
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 - Fix multi value parsing on big-endian
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 - Adapt to Nettle 3 API break causing base64 decoding failures on big-endian
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Features:
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 - 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
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Improvements:
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 - 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
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 - Documentation fixes, updates, and improvements in formatting
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 - Install yparser and zscanner header files
 - Improve lookup of libsystemd build dependencies
 - Fix compilation warnings in endian conversion functions on OpenBSD
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Knot DNS 2.0.0 (2015-06-26)
===========================
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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
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Features:
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 - DNSSEC: separate library, switch to GnuTLS, new utilities
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 - DNSSEC: basic KASP support (generate initial keys, ZSK rollover)
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 - 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)
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 - 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
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Improvements:
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 - 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
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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

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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

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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)

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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

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Knot DNS 1.6.0-rc1 (2014-10-13)
===============================

Features:
---------
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 - Persistent timers for slave zones (expire, refresh, and flush)
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Bugfixes:
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---------
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 - 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
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Knot DNS 1.5.3 (2014-09-15)
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===========================
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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
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 - 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)
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Knot DNS 1.5.2 (2014-09-08)
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===========================
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Bugfixes:
---------
 - Some RR parsing corner cases were not handled properly
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 - AXFR-style IXFR was refused and had to be retransferred
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 - Hash character (#) was not properly escaped when storing text zone file

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Knot DNS 1.5.1 (2014-08-19)
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===========================
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Features:
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 - Basic support for logging using systemd journal
 - DDNS: Ability to process updates in bulk
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Improvements:
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 - Unified logging messages structure
 - DNSSEC: More strict controls for signing keys
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Bugfixes:
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 - 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
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Knot DNS 1.5.0 (2014-07-08)
===========================
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Features:
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 - DDNS forwarding reimplemented
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Improvements:
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 - Transfer sizes logged in bytes if needed
 - Logging outgoing NOTIFY messages
 - Logging unauthorized incoming NOTIFYs
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Bugfixes:
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 - 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
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Knot DNS 1.5.0-rc2 (2014-06-18)
===============================
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Features:
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 - edns-client-subnet support in kdig
 - Optional asynchronous startup (config "asynchronous-start")
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Improvements:
-------------
 - Preempt task queue for faster reload
 - Lazy zone file write after zone transfer (governed by
   "zonefile-sync")
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Bugfixes:
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 - Close zone transfer after SERVFAIL response
 - Incremental to full zone transfer fallback, wrong log message
 - Zone events corner cases, reload replanning
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Knot DNS 1.5.0-rc1 (2014-06-03)
===============================
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Features:
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 - 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
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 - Zone transfer master failover
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Improvements:
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 - 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)
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Knot DNS 1.4.2 (2014-01-27)
===========================
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Bugfixes:
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 - 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
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Knot DNS 1.4.1 (2014-01-13)
===========================
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Bugfixes:
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 - Empty APL record support
 - 'zonestatus' when using immediate zone syncing
 - Immediate zone syncing after reload
 - Race condition writing time values to zone file
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Knot DNS 1.4.0 (2014-01-06)
===========================
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 - 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
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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
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 - Race condition in event cancellation
681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724
 - 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)
===========================
725 726

Features:
727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777
---------
 - 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)
===========================
778 779

Features:
780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825
---------
 - 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)
===========================
826 827

Features:
828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849
---------
 - 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)
===========================
850

851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
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.
886

887 888 889 890 891 892 893 894 895 896 897
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.
898

899 900
Knot DNS 1.0.6 (2012-06-13)
===========================
901 902

Bugfixes:
903 904 905
---------
 - Fixed potential problems with RCU synchronization.
 - Adding NSEC/NSEC3 for all wildcard CNAMEs in the response.
906

907 908
Knot DNS 1.0.5 (2012-05-17)
===========================
909 910

Bugfixes:
911 912
---------
 - Fixed bug with creating journal files.
913

914 915
Knot DNS 1.0.4 (2012-05-16)
===========================
916

917 918 919 920 921 922 923 924 925
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).
926

927 928 929
Improvements:
-------------
 - Significantly sped up IXFR-in and reduced its memory requirements.
930 931

Bugfixes:
932 933 934 935 936 937 938 939
---------
 - 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).
940

941 942
Knot DNS 1.0.3 (2012-04-17)
===========================
943 944

Bugfixes:
945 946 947 948 949 950
---------
 - 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.
951

952 953
Knot DNS 1.0.2 (2012-04-13)
===========================
954

955 956 957 958 959
Features:
---------
 - Configuration checker (invoked via knotc).
 - Specifying source interface for transfers and NOTIFY requests
   directly.
960 961

Bugfixes:
962 963 964 965
---------
 - Fixed leak when querying non-existing name and zone SOA TTL >
   minimal.
 - Fixed some minor bugs in tansfers.
966

967 968 969 970 971 972 973
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.
974

975 976
Knot DNS 1.0.1 (2012-05-09)
===========================
977

978 979 980 981 982
Features:
---------
 - Implemented jitter to REFRESH/RETRY timers.
 - Implemented magic bytes for journal.
 - Improved error messages.
983 984

Bugfixes:
985 986 987 988 989 990
---------
 - 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.
991

992 993
Knot DNS 1.0.0 (2012-02-29)
===========================
994

995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
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)
===========================
1025

1026 1027 1028
Features:
---------
 - RRSet rotation
1029

1030 1031 1032 1033
Improvements:
-------------
 - Replaced pseudo-random number generator by one with MIT/BSD
   license.
1034 1035

Bugfixes:
1036 1037 1038 1039
---------
 - Fixed build on BSD.
 - Fixes in parsing and dumping of zone RR types IPSECKEY, WKS, DLV,
    APL, NSAP
1040

1041 1042
Knot DNS 0.9.0 (2012-01-13)
===========================
1043

1044 1045 1046 1047
Features:
---------
 - TSIG support in both client and server.
 - Use of sendmmsg() on Linux 3.0+ (improves performance).
1048 1049

Bugfixes:
1050 1051 1052 1053 1054 1055 1056 1057
---------
 - 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.
1058

1059 1060
Knot DNS 0.8.1 (2011-12-01)
===========================
1061 1062

Bugfixes:
1063 1064 1065
---------
 - Handling SPF record.
 - Wrong text dump of unknown records.
1066

1067 1068
Knot DNS 0.8.0 (2011-11-03)
===========================
1069 1070

Features:
1071 1072 1073 1074 1075 1076 1077 1078 1079
---------
 - First Public Release
 - AXFR-in/-out
 - IXFR-in/-out
 - EDNS0
 - DNSSEC
 - NSEC3
 - IPv6
 - Runtime reconfiguration
1080 1081

Known issues:
1082 1083 1084 1085 1086 1087 1088 1089
-------------
 - 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
1090
 - IXFR may be slow when too much (10 000+) RRSets are transferred at
1091
   once