1 Version 1.0.35 October 5 2018
3 * Prevent oracle attacks (CVE-2018-16737, CVE-2018-16738).
4 * Prevent a MITM from forcing a NULL cipher for UDP (CVE-2018-16758).
6 Version 1.0.34 June 12 2018
8 * Fix a potential segmentation fault when connecting to an IPv6 peer via a
10 * Minor improvements to the build system.
11 * Make the systemd service file identical to the one from the 1.1 branch.
12 * Fix a potential problem causing IPv4 sockets to not work on macOS.
14 Thanks to Maximilian Stein and Wang Liu Shuai for their contributions to this
17 Version 1.0.33 November 4 2017
19 * Allow compilation from a build directory.
20 * Source code cleanups.
21 * Fix some options specified on the command line not surviving a HUP signal.
22 * Handle tun/tap device returning EPERM or EBUSY.
23 * Disable PMTUDiscovery when TCPOnly is used.
24 * Support the --runstatedir option of the autoconf 2.70.
26 Thanks to Rafael Sadowski and Pierre-Olivier Mercier for their contributions to
29 Version 1.0.32 September 2 2017
31 * Fix segmentation fault when using Cipher = none.
33 * Support PriorityInheritance for IPv6 packets.
34 * Fixes for Solaris tun/tap support.
35 * Bind outgoing TCP sockets when ListenAddress is used.
37 Thanks to Vittorio Gambaletta for his contribution to this version of tinc.
39 Version 1.0.31 January 15 2017
41 * Remove ExecStop in tinc@.service.
43 Thanks to Élie Bouttier for his contribution to this version of tinc.
45 Version 1.0.30 October 30 2016
47 * Fix troubles connecting to some HTTP proxies.
49 * Add mitigations for the Sweet32 attack when using a 64-bit block cipher.
51 * Use AES256 and SHA256 as the default encryption and digest algorithms.
53 Version 1.0.29 October 9 2016
55 * Fix UDP communication with peers with link-local IPv6 addresses.
57 * Ensure compatibility with OpenSSL 1.1.0.
59 * Ensure autoreconf can be run without requiring autoconf-archive.
61 * Log warnings about dropped packets only at debug level 5.
63 Version 1.0.28 April 10 2016
65 * Fix compilation on BSD platforms.
67 * Add systemd service files.
69 Version 1.0.27 April 10 2016
71 * When using Proxy, let the proxy resolve hostnames if tinc can't.
73 * Fixes and improvements of the DecrementTTL option.
75 * Fixed the $NAME variable in subnet-up/down scripts for the local Subnets.
77 * Fixed potentially wrong checksum generation when clamping the MSS.
79 * Properly choose between the system's or our own copy of getopt.
81 * Fixed compiling tinc for Cygwin with MinGW installed.
83 * Added support for OS X utun interfaces.
85 * Documentation updates and minor fixes.
87 Thanks to Vittorio Gambaletta, LunarShaddow, Florian Weik and Nathan Stratton
88 Treadway for their contributions to this version of tinc.
90 Version 1.0.26 July 5 2015
92 * Tinc now forces glibc to reload /etc/resolv.conf for every hostname lookup.
94 * Fixed --logfile without a filename on Windows.
96 * Ensure tinc can be compiled when using musl libc.
98 Thanks to Jo-Philipp Wich for his contribution to this version of tinc.
100 Version 1.0.25 December 22 2014
102 * Documentation updates.
104 * Support linking against -lresolv on Mac OS X.
106 * Fix scripts on Windows when using the ScriptsInterpreter option.
108 * Allow a minimum reconnect timeout to be specified.
110 * Support PriorityInheritance on IPv6 sockets.
112 Thanks to David Pflug, Baptiste Jonglez, Alexis Hildebrandt, Borg, Jochen Voss,
113 Tomislav Čohar and VittGam for their contributions to this version of tinc.
115 Version 1.0.24 May 11 2014
117 * Various compiler hardening flags are enabled by default.
119 * Updated support for Solaris, allowing switch mode on Solaris 11.
121 * Configuration will now also be read from a conf.d directory.
123 * Various updates to the documentation.
125 * Tinc now forces glibc to reload /etc/resolv.conf after it receives SIGALRM.
127 * Fixed a potential routing loop when IndirectData or TCPOnly is used and
128 broadcast packets are being sent.
130 * Improved security with constant time memcmp and stricter use of OpenSSL's
133 * Fixed all issues found by Coverity.
135 Thanks to Florent Clairambault, Vilbrekin, luckyhacky, Armin Fisslthaler, Loïc
136 Dachary and Steffan Karger for their contributions to this version of tinc.
138 Version 1.0.23 October 19 2013
140 * Start authentication immediately on outgoing connections (useful for sslh).
142 * Fixed segfault when Name = $HOST but $HOST is not set.
144 * Updated the build system and the documentation.
146 * Clean up child processes left over from Proxy = exec.
148 Version 1.0.22 August 13 2013
150 * Fixed the combination of Mode = router and DeviceType = tap.
152 * The $NAME variable is now set in subnet-up/down scripts.
154 * Tinc now gives an error when unknown options are given on the command line.
156 * Tinc now correctly handles a space between a short command line option and
157 an optional argument.
159 Thanks to Etienne Dechamps for his contribution to this version of tinc.
161 Version 1.0.21 April 22 2013
163 * Drop packets forwarded via TCP if they are too big (CVE-2013-1428).
165 Thanks to Martin Schobert for auditing tinc and reporting this vulnerability.
167 Version 1.0.20 March 03 2013
169 * Use /dev/tap0 by default on FreeBSD and NetBSD when using switch mode.
171 * Minor improvements and clarifications in the documentation.
173 * Allow tinc to be cross-compiled with Android's NDK.
175 * The discovered PMTU is now also applied to VLAN tagged traffic.
177 * The LocalDiscovery option now makes use of all addresses tinc is bound to.
179 * Fixed support for tunemu on iOS devices.
181 * The PriorityInheritance option now also works with switch mode.
183 * Fixed tinc crashing when using a SOCKS5 proxy.
185 Thanks to Mesar Hameed, Vilbrekin and Martin Schürrer for their contributions
186 to this version of tinc.
188 Version 1.0.19 June 25 2012
190 * Allow :: notation in IPv6 Subnets.
192 * Add support for systemd style socket activation.
194 * Allow environment variables to be used for the Name option.
196 * Add basic support for SOCKS proxies, HTTP proxies, and proxying through an
199 Thanks to Anthony G. Basile and Michael Tokarev for their contributions to
200 this version of tinc.
202 Version 1.0.18 March 25 2012
204 * Fixed IPv6 in switch mode by turning off DecrementTTL by default.
206 * Allow a port number to be specified in BindToAddress, which also allows tinc
207 to listen on multiple ports.
209 * Add support for multicast communication with UML/QEMU/KVM.
211 Version 1.0.17 March 10 2012
213 * The DeviceType option can now be used to select dummy, raw socket, UML and
214 VDE devices without needing to recompile tinc.
216 * Allow multiple BindToAddress statements.
218 * Decrement TTL value of IPv4 and IPv6 packets.
220 * Add LocalDiscovery option allowing tinc to detect peers that are behind the
223 * Accept Subnets passed with the -o option when StrictSubnets = yes.
225 * Disabling old RSA keys when generating new ones now also works properly on
228 Thanks to Nick Hibma for his contribution to this version of tinc.
230 Version 1.0.16 July 23 2011
232 * Fixed a performance issue with TCP communication under Windows.
234 * Fixed code that, during network outages, would cause tinc to exit when it
235 thought two nodes with identical Names were on the VPN.
237 Version 1.0.15 June 24 2011
239 * Improved logging to file.
241 * Reduced amount of process wakeups on platforms which support pselect().
243 * Fixed ProcessPriority option under Windows.
245 Version 1.0.14 May 8 2011
247 * Fixed reading configuration files that do not end with a newline. Again.
249 * Allow arbitrary configuration options being specified on the command line.
251 * Allow all options in both tinc.conf and the local host config file.
253 * Configurable replay window, UDP send and receive buffers for performance tuning.
255 * Try harder to get UDP communication back after falling back to TCP.
257 * Initial support for attaching tinc to a VDE switch.
259 * DragonFly BSD support.
261 * Allow linking with OpenSSL 1.0.0.
263 Thanks to Brandon Black, Julien Muchembled, Michael Tokarev, Rumko and Timothy
264 Redaelli for their contributions to this version of tinc.
266 Version 1.0.13 Apr 11 2010
268 * Allow building tinc without LZO and/or Zlib.
270 * Clamp MSS of TCP packets in both directions.
272 * Experimental StrictSubnets, Forwarding and DirectOnly options,
273 giving more control over information and packets received from/sent to other
276 * Ensure tinc never sends symbolic names for ports over the wire.
278 Version 1.0.12 Feb 3 2010
280 * Really allow fast roaming of hosts to other nodes in a switched VPN.
282 * Fixes missing or incorrect environment variables when calling host-up/down
283 and subnet-up/down scripts in some cases.
285 * Allow port to be specified in Address statements.
287 * Clamp MSS of TCP packets to the discovered path MTU.
289 * Let two nodes behind NAT learn each others current UDP address and port via
290 a third node, potentially allowing direct communications in a similar way to
293 Version 1.0.11 Nov 1 2009
295 * Fixed potential crash when the HUP signal is sent.
297 * Fixes handling of weighted Subnets in switch and hub modes, preventing
298 unnecessary broadcasts.
300 * Works around a MinGW bug that caused packets to Windows nodes to always be
303 * Improvements to the PMTU discovery code, especially on Windows.
305 * Use UDP again in certain cases where 1.0.10 was too conservative and fell
306 back to TCP unnecessarily.
308 * Allow fast roaming of hosts to other nodes in a switched VPN.
310 Version 1.0.10 Oct 18 2009
312 * Fixed potential crashes during shutdown and (in rare conditions) when other
313 nodes disconnected from the VPN.
315 * Improved NAT handling: tinc now copes with mangled port numbers, and will
316 automatically fall back to TCP if direct UDP connection between nodes is not
317 possible. The TCPOnly option should not have to be used anymore.
319 * Allow configuration files with CRLF line endings to be read on UNIX.
321 * Disable old RSA keys when generating new ones, and raise the default size of
322 new RSA keys to 2048 bits.
324 * Many fixes in the path MTU discovery code, especially when Compression is
327 * Tinc can now drop privileges and/or chroot itself.
329 * The TunnelServer code now just ignores information from clients instead of
332 * Improved performance on Windows by using the new ProcessPriority option and
333 by making the handling of packets received from the TAP-Win32 adapter more
336 * Code cleanups: tinc now follows the C99 standard, copyright headers have
337 been updated to include patch authors, checkpoint tracing and localisation
338 features have been removed.
340 * Support for (jailbroken) iPhone and iPod Touch has been added.
342 Thanks to Florian Forster, Grzegorz Dymarek and especially Michael Tokarev for
343 their contributions to this version of tinc.
345 Version 1.0.9 Dec 26 2008
347 * Fixed tinc as a service under Windows 2003.
349 * Fixed reading configuration files that do not end with a newline.
351 * Fixed crashes in situations where hostnames could not be resolved or hosts
352 would disconnect at the same time as session keys were exchanged.
354 * Improved default settings of tun and tap devices on BSD platforms.
356 * Make IPv6 sockets bind only to IPv6 on Linux.
358 * Enable path MTU discovery by default.
360 * Fixed a memory leak that occurred when connections were closed.
362 Thanks to Max Rijevski for his contributions to this version of tinc.
364 Version 1.0.8 May 16 2007
366 * Fixed some memory and resource leaks.
368 * Made network sockets non-blocking under Windows.
370 Thanks to Scott Lamb and "dnk" for their contributions to this version of tinc.
372 Version 1.0.7 Jan 5 2007
374 * Fixed a bug that caused slow network speeds on Windows.
376 * Fixed a bug that caused tinc unable to write packets to the tun device on
379 Version 1.0.6 Dec 18 2006
381 * More flexible detection of the LZO libraries when compiling.
383 * Fixed a bug where broadcasts in switch and hub modes sometimes would not
384 work anymore when part of the VPN had become disconnected from the rest.
386 version 1.0.5 Nov 14 2006
388 * Lots of small fixes.
390 * Broadcast packets no longer grow in size with each hop. This should
391 fix switch mode (again).
393 * Generic host-up and host-down scripts.
395 * Optionally dump graph in graphviz format to a file or a script.
397 * Support LZO 2.0 and later.
399 Thanks to Scott Lamb for his contributions to this version of tinc.
401 version 1.0.4 May 4 2005
403 * Fix switch and hub modes.
405 * Optionally start scripts when a Subnet becomes (un)reachable.
407 version 1.0.3 Nov 11 2004
409 * Show error message when failing to write a PID file.
411 * Ignore spaces at end of lines in config files.
413 * Fix handling of late packets.
415 * Unify BSD tun/tap device handling. This allows IPv6 on tun devices and
416 anything on tap devices as long as the underlying OS supports it.
418 * Handle IPv6 on Solaris tun devices.
420 * Allow tinc to work properly under Windows XP SP2.
422 * Allow VLAN tagged Ethernet frames in switch and hub mode.
424 * Experimental PMTUDiscovery, TunnelServer and BlockingTCP options.
426 version 1.0.2 Nov 8 2003
428 * Fix address and hostname resolving under Windows.
430 * Remove warnings about non-existing scripts and unsupported address families.
432 * Use the event logger under Windows.
434 * Fix quoting of filenames and command line arguments under Windows.
436 * Strict checks for length incoming network packets and return values of
437 cryptographic functions,
439 * Fix a bug in metadata handling that made the tinc daemon abort.
441 version 1.0.1 Aug 14 2003
443 * Allow empty lines in config files.
445 * Fix handling of spaces and backslashes in filenames under native Windows.
447 * Allow scripts to be executed under native Windows.
449 * Update documentation, make it less Linux specific.
451 version 1.0 Aug 4 2003
453 * Lots of small bugfixes and code cleanups.
455 * Throughput doubled and latency reduced.
457 * Added support for LZO compression.
459 * No need to set MAC address or disable ARP anymore.
461 * Added support for Windows 2000 and XP, both natively and in a Cygwin
464 version 1.0pre8 Sep 16 2002
466 * More fixes for subnets with prefixlength undivisible by 8.
468 * Added support for NetBSD and MacOS/X.
470 * Switched from undirected graphs to directed graphs to avoid certain race
471 conditions and improve scalability.
473 * Generalized broadcasting and forwarding of protocol messages.
475 * Cleanup of source code.
478 version 1.0pre7 Apr 7 2002
480 * Don't do blocking read()s when getting a signal.
482 * Remove RSA key checking code, since it sometimes thinks perfectly good RSA
485 * Fix handling of subnets when prefixlength isn't divisible by 8.
488 version 1.0pre6 Mar 27 2002
490 * Improvement of redundant links:
492 * Non-blocking connects.
494 * Protocol broadcast messages can no longer go into an infinite loop.
496 * Graph algorithm updated to look harder for direct connections.
498 * Good support for routing IPv6 packets over the VPN. Works on Linux,
499 FreeBSD, possibly OpenBSD but not on Solaris.
501 * Support for tunnels over IPv6 networks. Works on all supported
504 * Optional compression of UDP connections using zlib.
506 * Optionally let UDP connections inherit TOS field of tunneled packets.
508 * Optionally start scripts when certain hosts become (un)reachable.
511 version 1.0pre5 Feb 9 2002
513 * Security enhancements:
515 * Added sequence number and optional message authentication code to
518 * Configurable encryption cipher and digest algorithms.
520 * More robust handling of dis- and reconnects.
522 * Added a "switch" and a "hub" mode to allow bridging setups.
524 * Preliminary support for routing of IPv6 packets.
526 * Supports Linux, FreeBSD, OpenBSD and Solaris.
529 It looks like this might be the last release before 1.0.
532 version 1.0pre4 Jan 17 2001
534 * Updated documentation; the documentation now reflects the
535 configuration as it is.
537 * Some internal changes to make tinc scale better for large
538 networks, such as using AVL trees instead of linked lists for the
541 * RSA keys can be stored in separate files if needed. See the
542 documentation for more information.
544 * tinc has now been reported to run on Linux PowerPC and FreeBSD x86.
548 version 1.0pre3 Oct 31 2000
550 * The protocol has been redesigned, and although some details are
551 still under discussion, this is secure. Care has been taken to
552 resist most, if not all, attacks.
554 * Unfortunately this protocol is not compatible with earlier versions,
555 nor are earlier versions compatible with this version. Because the
556 older protocol has huge security flaws, we feel that not
557 implementing backwards compatibility is justified.
559 * Some data about the protocol:
561 * It uses public/private RSA keys for authentication (this is the
562 actual fix for the security hole).
564 * All cryptographic functions have been taken out of tinc, instead
565 it uses the OpenSSL library functions.
567 * Offers support for multiple subnets per tinc daemon.
569 * New is also the support for the universal tun/tap device. This
570 means better portability to FreeBSD and Solaris.
572 * tinc is tested to compile on Solaris, Linux x86, Linux alpha.
574 * tinc now uses the OpenSSL library for cryptographic operations.
575 More information on getting and installing OpenSSL is in the manual.
576 This also means that the GMP library is no longer required.
578 * Further, thanks to Enrique Zanardi, we have Spanish messages; Matias
579 Carrasco provided us with a Spanish translation of the manual.
582 What still needs to be done before 1.0:
584 * Documentation. Especially since the protocol has changed, and a lot
585 of configuration directives have been added.
590 version 1.0pre2 May 31 2000
592 * This version has been internationalized; and a Dutch translation has
595 * Two configuration variables have been added:
596 * VpnMask - the IP network mask for the entire VPN, not just our
597 subnet (as given by MyVirtualIP). The Redhat and Debian packages
598 use this variable in their system startup scripts, but it is
600 * Hostnames - if set to `yes', look up the names of IP addresses
601 trying to connect to us. Default set to `no', to prevent lockups
604 * The system startup scripts for Debian and Redhat use
605 /etc/tinc/nets.boot to find out which networks need to be started
608 * Fixes to prevent denial of service attacks by sending random data
609 after connecting (and even when the connection has been established),
610 either random garbage or just nonsensical protocol fields.
612 * tinc will retry to connect upon startup, does not quit if it doesn't
615 * Hosts that are disconnected implicitly if we lose a connection get
616 deleted from the internal list, to prevent hogging eachother with
617 add and delete requests when the connection is restored.
620 What still needs to be done before 1.0:
623 * Failover ConnectTo lines, try another one if the first doesn't work.
628 version 1.0pre1 May 12 2000
630 * Various other bugfixes
631 * Documentation updates
633 version 0.3.3 Feb 9 2000
634 * Fixed bug that made tinc stop working with latest kernels (Guus
638 version 0.3.2 Nov 12 1999
639 * no more `Invalid filedescriptor' when working with multiple
641 * forward unknown packets to uplink
643 version 0.3.1 Oct 20 1999
644 * fixed a bug where tinc would exit without a trace
646 version 0.3 Aug 20 1999
647 * pings now work immediately
648 * all packet sizes get transmitted correctly
650 version 0.2.26 Aug 15 1999
651 * fixed some remaining bugs
652 * --sysconfdir works with configure
653 * last version before 0.3
655 version 0.2.25 Aug 8 1999
656 * improved stability, going towards 0.3 now.
658 version 0.2.24 Aug 7 1999
659 * added key aging, there's a new config variable, KeyExpire.
660 * updated man and info pages
662 version 0.2.23 Aug 5 1999
663 * all known bugs fixed, this is a candidate for 0.3
665 version 0.2.22 Apr 11 1999
666 * multiconnection thing is now working nearly perfect :)
668 version 0.2.21 Apr 10 1999
669 * You shouldn't notice a thing, but a lot has changed wrt key
670 management - except that it refuses to talk to versions < 0.2.20
674 version 0.2.19 Apr 3 1999
675 * don't install a libcipher.so
677 version 0.2.18 Apr 3 1999
678 * blowfish library dynamically loaded upon execution
679 * included Eric Young's IDEA library
681 version 0.2.17 Apr 1 1999
682 * tincd now re-executes itself in case of a segmentation fault.
684 version 0.2.16 Apr 1 1999
685 * wrote tincd.conf(5) man page, which still needs a lot of work.
686 * config file now accepts and tolerates spaces, and any integer base
687 for integer variables, and better error reporting. See
688 doc/tincd.conf.sample for an example.
690 version 0.2.15 Mar 29 1999
693 version 0.2.14 Feb 10 1999
694 * added --timeout flag and PingTimeout configuration
695 * did some first syslog cleanup work
697 version 0.2.13 Jan 23 1999
700 version 0.2.12 Jan 23 1999
701 * fixed nauseating bug so that it would crash whenever a connection
704 version 0.2.11 Jan 22 1999
705 * framework for multiple connections has been done
706 * simple manpage for tincd
708 version 0.2.10 Jan 18 1999
709 * passphrase support added
711 version 0.2.9 Jan 13 1999
714 version 0.2.8 Jan 11 1999
715 * a reworked protocol version
717 * more reliable networking code
718 * automatic reconnection
719 * still does not work with more than one connection :)
720 * strips MAC addresses before sending, so there's less overhead, and
723 version 0.2.7 Jan 3 1999
724 * several updates to make extending more easy.
726 version 0.2.6 Dec 20 1998
727 * Point-to-Point connections have been established, including
728 blowfish encryption and a secret key-exchange.
730 version 0.2.5 Dec 16 1998
731 * Project renamed to tinc, in honour of TINC.
733 version 0.2.4 Dec 16 1998
734 * now it really does ;)
736 version 0.2.3 Nov 24 1998
737 * it sort of works now
739 version 0.2.2 Nov 20 1998
742 version 0.2.1 Nov 14 1998