NEWS 29.8 KB
Newer Older
1 2
Knot DNS 2.4.0 (2017-01-18)
===========================
3 4 5

Bugfixes:
--------
6 7 8 9 10 11 12 13 14 15
 - 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
16 17 18

Improvements:
-------------
19 20
 - Lower memory consumption with qp-trie
 - Zone events and zone timers improvements
21
 - Print all zone names in the FQDN format
22 23 24 25
 - 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
26 27 28 29

Features:
---------
 - New unified LMDB-based zone journal
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
 - 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:
---------
 - Simple modules don't require empty configuration section
 - New zone journal path configuration option
 - New timeout configuration option for module dnsproxy
78

79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101
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
Jan Včelák's avatar
Jan Včelák committed
102

Jan Včelák's avatar
Jan Včelák committed
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
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)
Jan Včelák's avatar
Jan Včelák committed
127

Jan Včelák's avatar
Jan Včelák committed
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
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
Jan Včelák's avatar
Jan Včelák committed
150

Jan Včelák's avatar
Jan Včelák committed
151 152
Knot DNS 2.2.0 (2016-04-26)
===========================
Jan Včelák's avatar
Jan Včelák committed
153

154 155
Bugfixes:
---------
Jan Včelák's avatar
Jan Včelák committed
156 157 158 159 160 161 162 163 164 165 166
 - 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
167 168 169

Features:
---------
Jan Včelák's avatar
Jan Včelák committed
170 171 172
 - URI and CAA resource record types support
 - RRL client address based white list
 - knotc interactive mode
173 174 175

Improvements:
-------------
Jan Včelák's avatar
Jan Včelák committed
176 177 178 179 180 181
 - 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
182

Jan Včelák's avatar
Jan Včelák committed
183 184 185 186 187 188 189
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
190
 - Fix server crash when an incoming transfer is in progress and reload is issued
Jan Včelák's avatar
Jan Včelák committed
191 192 193 194 195
 - Fix socket polling when configured with many interfaces and threads
 - Fix compilation against Nettle 3.2

Improvements:
-------------
196
 - Select correct source address for UDP messages received on ANY address
Jan Včelák's avatar
Jan Včelák committed
197
 - Extend documentation of knotc commands
Jan Včelák's avatar
Jan Včelák committed
198

Jan Včelák's avatar
Jan Včelák committed
199 200
Knot DNS 2.1.0 (2016-01-14)
===========================
Jan Včelák's avatar
Jan Včelák committed
201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219

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)
Jan Včelák's avatar
Jan Včelák committed
220 221
 - Remove possibly insecure server control over a network socket
 - Remove implementation limit for the number of network interfaces
Jan Včelák's avatar
Jan Včelák committed
222 223 224 225 226

Bugfixes:
---------
 - synth-record module: Fix application of default configuration options
 - TSIG: Allow compressed TSIG name when forwarding DDNS updates
Jan Včelák's avatar
Jan Včelák committed
227
 - Schedule zone bootstrap after slave zone fails to load from disk
Jan Včelák's avatar
Jan Včelák committed
228

Jan Včelák's avatar
Jan Včelák committed
229 230 231 232 233 234 235
Knot DNS 2.0.2 (2015-11-24)
===========================

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

236 237
Knot DNS 2.0.1 (2015-09-02)
===========================
Jan Včelák's avatar
Jan Včelák committed
238 239 240

Bugfixes:
---------
241 242 243 244 245 246
 - 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
Jan Včelák's avatar
Jan Včelák committed
247
 - Fix CNAME following when quering for NSEC RR type
248
 - Fix refreshing of DNSSEC signatures for zone keys
Jan Včelák's avatar
Jan Včelák committed
249
 - Fix binding an unavailable IPv6 address on Linux (IP_FREEBIND)
250 251 252 253
 - 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
Jan Včelák's avatar
Jan Včelák committed
254
 - Fix multi value parsing on big-endian
255
 - Adapt to Nettle 3 API break causing base64 decoding failures on big-endian
Jan Včelák's avatar
Jan Včelák committed
256 257 258

Features:
---------
259 260 261 262 263 264
 - 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
Jan Včelák's avatar
Jan Včelák committed
265 266 267

Improvements:
-------------
268 269 270
 - 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
Jan Včelák's avatar
Jan Včelák committed
271
 - Documentation fixes, updates, and improvements in formatting
272 273 274
 - Install yparser and zscanner header files
 - Improve lookup of libsystemd build dependencies
 - Fix compilation warnings in endian conversion functions on OpenBSD
Jan Včelák's avatar
Jan Včelák committed
275

276 277
Knot DNS 2.0.0 (2015-06-26)
===========================
Jan Včelák's avatar
Jan Včelák committed
278 279 280 281 282 283 284 285

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
Jan Včelák's avatar
Jan Včelák committed
286 287 288 289

Features:
---------
 - DNSSEC: separate library, switch to GnuTLS, new utilities
290
 - DNSSEC: basic KASP support (generate initial keys, ZSK rollover)
Jan Včelák's avatar
Jan Včelák committed
291 292 293 294 295 296
 - 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)
297 298 299
 - 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
Jan Včelák's avatar
Jan Včelák committed
300 301 302 303 304 305

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
Jan Včelák's avatar
Jan Včelák committed
306

307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339
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

Jan Kadlec's avatar
Jan Kadlec committed
340 341 342 343 344 345 346 347 348 349 350 351 352
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

Jan Včelák's avatar
Jan Včelák committed
353 354 355 356 357 358 359 360
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)

Jan Včelák's avatar
Jan Včelák committed
361 362 363 364 365 366 367 368 369 370 371 372
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

Jan Včelák's avatar
Jan Včelák committed
373 374 375 376 377
Knot DNS 1.6.0-rc1 (2014-10-13)
===============================

Features:
---------
Jan Včelák's avatar
Jan Včelák committed
378
 - Persistent timers for slave zones (expire, refresh, and flush)
Jan Včelák's avatar
Jan Včelák committed
379

Jan Včelák's avatar
Jan Včelák committed
380
Bugfixes:
Jan Včelák's avatar
Jan Včelák committed
381
---------
Jan Včelák's avatar
Jan Včelák committed
382 383 384
 - 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
Jan Včelák's avatar
Jan Včelák committed
385

Jan Kadlec's avatar
Jan Kadlec committed
386
Knot DNS 1.5.3 (2014-09-15)
Jan Včelák's avatar
Jan Včelák committed
387
===========================
Jan Kadlec's avatar
Jan Kadlec committed
388 389 390 391 392 393

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
394 395
 - 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)
Jan Kadlec's avatar
Jan Kadlec committed
396

Jan Kadlec's avatar
Jan Kadlec committed
397
Knot DNS 1.5.2 (2014-09-08)
Jan Včelák's avatar
Jan Včelák committed
398
===========================
Jan Kadlec's avatar
Jan Kadlec committed
399 400 401 402

Bugfixes:
---------
 - Some RR parsing corner cases were not handled properly
403
 - AXFR-style IXFR was refused and had to be retransferred
Jan Kadlec's avatar
Jan Kadlec committed
404 405
 - Hash character (#) was not properly escaped when storing text zone file

406
Knot DNS 1.5.1 (2014-08-19)
Daniel Salzman's avatar
Daniel Salzman committed
407
===========================
408 409

Features:
410 411 412
---------
 - Basic support for logging using systemd journal
 - DDNS: Ability to process updates in bulk
413 414

Improvements:
415 416 417
-------------
 - Unified logging messages structure
 - DNSSEC: More strict controls for signing keys
418 419

Bugfixes:
420 421 422 423 424 425
---------
 - 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
426

427 428
Knot DNS 1.5.0 (2014-07-08)
===========================
429

Marek Vavruša's avatar
Marek Vavruša committed
430
Features:
431 432
---------
 - DDNS forwarding reimplemented
Marek Vavrusa's avatar
Marek Vavrusa committed
433

434 435 436 437 438
Improvements:
-------------
 - Transfer sizes logged in bytes if needed
 - Logging outgoing NOTIFY messages
 - Logging unauthorized incoming NOTIFYs
Lubos Slovak's avatar
Lubos Slovak committed
439

440
Bugfixes:
441 442 443 444 445
---------
 - 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
Lubos Slovak's avatar
Lubos Slovak committed
446

447 448
Knot DNS 1.5.0-rc2 (2014-06-18)
===============================
Marek Vavrusa's avatar
Marek Vavrusa committed
449 450

Features:
451 452 453
---------
 - edns-client-subnet support in kdig
 - Optional asynchronous startup (config "asynchronous-start")
Marek Vavrusa's avatar
Marek Vavrusa committed
454

455 456 457 458 459
Improvements:
-------------
 - Preempt task queue for faster reload
 - Lazy zone file write after zone transfer (governed by
   "zonefile-sync")
Lubos Slovak's avatar
Lubos Slovak committed
460

461
Bugfixes:
462 463 464 465
---------
 - Close zone transfer after SERVFAIL response
 - Incremental to full zone transfer fallback, wrong log message
 - Zone events corner cases, reload replanning
466

467 468
Knot DNS 1.5.0-rc1 (2014-06-03)
===============================
469 470

Features:
471 472 473 474 475
---------
 - 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
476
 - Zone transfer master failover
477

478 479 480 481 482 483 484 485
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)
486

487 488
Knot DNS 1.4.2 (2014-01-27)
===========================
489 490

Bugfixes:
491 492 493 494 495 496 497 498 499
---------
 - 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
500

501 502
Knot DNS 1.4.1 (2014-01-13)
===========================
503

504
Bugfixes:
505 506 507 508 509
---------
 - Empty APL record support
 - 'zonestatus' when using immediate zone syncing
 - Immediate zone syncing after reload
 - Race condition writing time values to zone file
510

511 512
Knot DNS 1.4.0 (2014-01-06)
===========================
513 514

Features:
515 516 517 518 519 520 521 522
---------
 - 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
523

524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540
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
541
 - Race condition in event cancellation
542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585
 - 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)
===========================
586 587

Features:
588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638
---------
 - 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)
===========================
639 640

Features:
641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686
---------
 - 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)
===========================
687 688

Features:
689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710
---------
 - 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)
===========================
711

712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
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.
747

748 749 750 751 752 753 754 755 756 757 758
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.
759

760 761
Knot DNS 1.0.6 (2012-06-13)
===========================
762 763

Bugfixes:
764 765 766
---------
 - Fixed potential problems with RCU synchronization.
 - Adding NSEC/NSEC3 for all wildcard CNAMEs in the response.
767

768 769
Knot DNS 1.0.5 (2012-05-17)
===========================
770 771

Bugfixes:
772 773
---------
 - Fixed bug with creating journal files.
774

775 776
Knot DNS 1.0.4 (2012-05-16)
===========================
777

778 779 780 781 782 783 784 785 786
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).
787

788 789 790
Improvements:
-------------
 - Significantly sped up IXFR-in and reduced its memory requirements.
791 792

Bugfixes:
793 794 795 796 797 798 799 800
---------
 - 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).
801

802 803
Knot DNS 1.0.3 (2012-04-17)
===========================
804 805

Bugfixes:
806 807 808 809 810 811
---------
 - 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.
812

813 814
Knot DNS 1.0.2 (2012-04-13)
===========================
815

816 817 818 819 820
Features:
---------
 - Configuration checker (invoked via knotc).
 - Specifying source interface for transfers and NOTIFY requests
   directly.
821 822

Bugfixes:
823 824 825 826
---------
 - Fixed leak when querying non-existing name and zone SOA TTL >
   minimal.
 - Fixed some minor bugs in tansfers.
827

828 829 830 831 832 833 834
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.
835

836 837
Knot DNS 1.0.1 (2012-05-09)
===========================
838

839 840 841 842 843
Features:
---------
 - Implemented jitter to REFRESH/RETRY timers.
 - Implemented magic bytes for journal.
 - Improved error messages.
844 845

Bugfixes:
846 847 848 849 850 851
---------
 - 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.
852

853 854
Knot DNS 1.0.0 (2012-02-29)
===========================
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:
---------
 - 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)
===========================
886

887 888 889
Features:
---------
 - RRSet rotation
890

891 892 893 894
Improvements:
-------------
 - Replaced pseudo-random number generator by one with MIT/BSD
   license.
895 896

Bugfixes:
897 898 899 900
---------
 - Fixed build on BSD.
 - Fixes in parsing and dumping of zone RR types IPSECKEY, WKS, DLV,
    APL, NSAP
901

902 903
Knot DNS 0.9.0 (2012-01-13)
===========================
904

905 906 907 908
Features:
---------
 - TSIG support in both client and server.
 - Use of sendmmsg() on Linux 3.0+ (improves performance).
909 910

Bugfixes:
911 912 913 914 915 916 917 918
---------
 - 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.
919

920 921
Knot DNS 0.8.1 (2011-12-01)
===========================
922 923

Bugfixes:
924 925 926
---------
 - Handling SPF record.
 - Wrong text dump of unknown records.
927

928 929
Knot DNS 0.8.0 (2011-11-03)
===========================
930 931

Features:
932 933 934 935 936 937 938 939 940
---------
 - First Public Release
 - AXFR-in/-out
 - IXFR-in/-out
 - EDNS0
 - DNSSEC
 - NSEC3
 - IPv6
 - Runtime reconfiguration
941 942

Known issues:
943 944 945 946 947 948 949 950
-------------
 - 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
951
 - IXFR may be slow when too much (10 000+) RRSets are transferred at
952
   once