1 Version 1.1pre4 December 5 2012
3 * Added the "AutoConnect" option which will let tinc automatically select
4 which nodes to connect to.
6 * Improved performance of VLAN-tagged IP traffic inside the VPN.
8 * Ensured LocalDiscovery works with multiple BindToAddress statements and/or
11 * Dropped dependency on libevent.
13 * Fixed Windows version not reading packets from the TAP adapter.
15 Version 1.1pre3 October 14 2012
17 * New experimental protocol:
18 * Uses 521 bit ECDSA keys for authentication.
19 * Uses AES-256-CTR and HMAC-SHA256.
20 * Always provides perfect forward secrecy.
21 * Used for both meta-connections and VPN packets.
22 * VPN packets are encrypted end-to-end.
24 * Many improvements to tincctl:
25 * "config" command shows/adds/changes configuration variables.
26 * "export" and "import" commands help exchange configuration files.
27 * "init" command sets up initial configuration files.
28 * "info" command shows details about a node, subnet or address.
29 * "log" command shows live log messages.
30 * Without a command it acts as a shell, with history and TAB completion.
31 * Improved starting/stopping tincd.
32 * Improved graph output.
34 * When trying to directly send UDP packets to a node for which multiple
35 addresses are known, all of them are tried.
37 * Many small fixes, code cleanups and documentation updates.
39 Version 1.1pre2 July 17 2011
41 * .cookie files are renamed to .pid files, which are compatible with 1.0.x.
43 * Experimental protocol enhancements that can be enabled with the option
44 ExperimentalProtocol = yes:
46 * Ephemeral ECDH key exchange will be used for both the meta protocol and
48 * Key exchanges are signed with ECDSA.
49 * ECDSA public keys are automatically exchanged after RSA authentication if
50 nodes do not know each other's ECDSA public key yet.
52 Version 1.1pre1 June 25 2011
54 * Control interface allows control of a running tinc daemon. Used by:
55 * tincctl, a commandline utility
56 * tinc-gui, a preliminary GUI implemented in Python/wxWidgets
58 * Code cleanups and reorganization.
60 * Repleacable cryptography backend, currently supports OpenSSL and libgcrypt.
62 * Use libevent to handle I/O events and timeouts.
64 * Use splay trees instead of AVL trees to manage internal datastructures.
66 Thanks to Scott Lamb and Sven-Haegar Koch for their contributions to this
69 Version 1.0.19 June 25 2012
71 * Allow :: notation in IPv6 Subnets.
73 * Add support for systemd style socket activation.
75 * Allow environment variables to be used for the Name option.
77 * Add basic support for SOCKS proxies, HTTP proxies, and proxying through an
80 Version 1.0.18 March 25 2012
82 * Fixed IPv6 in switch mode by turning off DecrementTTL by default.
84 * Allow a port number to be specified in BindToAddress, which also allows tinc
85 to listen on multiple ports.
87 * Add support for multicast communication with UML/QEMU/KVM.
89 Version 1.0.17 March 10 2012
91 * The DeviceType option can now be used to select dummy, raw socket, UML and
92 VDE devices without needing to recompile tinc.
94 * Allow multiple BindToAddress statements.
96 * Decrement TTL value of IPv4 and IPv6 packets.
98 * Add LocalDiscovery option allowing tinc to detect peers that are behind the
101 * Accept Subnets passed with the -o option when StrictSubnets = yes.
103 * Disabling old RSA keys when generating new ones now also works properly on
106 Version 1.0.16 July 23 2011
108 * Fixed a performance issue with TCP communication under Windows.
110 * Fixed code that, during network outages, would cause tinc to exit when it
111 thought two nodes with identical Names were on the VPN.
113 Version 1.0.15 June 24 2011
115 * Improved logging to file.
117 * Reduced amount of process wakeups on platforms which support pselect().
119 * Fixed ProcessPriority option under Windows.
121 Thanks to Loïc Grenié for his contribution to this version of tinc.
123 Version 1.0.14 May 8 2011
125 * Fixed reading configuration files that do not end with a newline. Again.
127 * Allow arbitrary configuration options being specified on the command line.
129 * Allow all options in both tinc.conf and the local host config file.
131 * Configurable replay window, UDP send and receive buffers for performance tuning.
133 * Try harder to get UDP communication back after falling back to TCP.
135 * Initial support for attaching tinc to a VDE switch.
137 * DragonFly BSD support.
139 * Allow linking with OpenSSL 1.0.0.
141 Thanks to Brandon Black, Julien Muchembled, Michael Tokarev, Rumko and Timothy
142 Redaelli for their contributions to this version of tinc.
144 Version 1.0.13 Apr 11 2010
146 * Allow building tinc without LZO and/or Zlib.
148 * Clamp MSS of TCP packets in both directions.
150 * Experimental StrictSubnets, Forwarding and DirectOnly options,
151 giving more control over information and packets received from/sent to other
154 * Ensure tinc never sends symbolic names for ports over the wire.
156 Version 1.0.12 Feb 3 2010
158 * Really allow fast roaming of hosts to other nodes in a switched VPN.
160 * Fixes missing or incorrect environment variables when calling host-up/down
161 and subnet-up/down scripts in some cases.
163 * Allow port to be specified in Address statements.
165 * Clamp MSS of TCP packets to the discovered path MTU.
167 * Let two nodes behind NAT learn each others current UDP address and port via
168 a third node, potentially allowing direct communications in a similar way to
171 Version 1.0.11 Nov 1 2009
173 * Fixed potential crash when the HUP signal is sent.
175 * Fixes handling of weighted Subnets in switch and hub modes, preventing
176 unnecessary broadcasts.
178 * Works around a MinGW bug that caused packets to Windows nodes to always be
181 * Improvements to the PMTU discovery code, especially on Windows.
183 * Use UDP again in certain cases where 1.0.10 was too conservative and fell
184 back to TCP unnecessarily.
186 * Allow fast roaming of hosts to other nodes in a switched VPN.
188 Version 1.0.10 Oct 18 2009
190 * Fixed potential crashes during shutdown and (in rare conditions) when other
191 nodes disconnected from the VPN.
193 * Improved NAT handling: tinc now copes with mangled port numbers, and will
194 automatically fall back to TCP if direct UDP connection between nodes is not
195 possible. The TCPOnly option should not have to be used anymore.
197 * Allow configuration files with CRLF line endings to be read on UNIX.
199 * Disable old RSA keys when generating new ones, and raise the default size of
200 new RSA keys to 2048 bits.
202 * Many fixes in the path MTU discovery code, especially when Compression is
205 * Tinc can now drop privileges and/or chroot itself.
207 * The TunnelServer code now just ignores information from clients instead of
210 * Improved performance on Windows by using the new ProcessPriority option and
211 by making the handling of packets received from the TAP-Win32 adapter more
214 * Code cleanups: tinc now follows the C99 standard, copyright headers have
215 been updated to include patch authors, checkpoint tracing and localisation
216 features have been removed.
218 * Support for (jailbroken) iPhone and iPod Touch has been added.
220 Thanks to Florian Forster, Grzegorz Dymarek and especially Michael Tokarev for
221 their contributions to this version of tinc.
223 Version 1.0.9 Dec 26 2008
225 * Fixed tinc as a service under Windows 2003.
227 * Fixed reading configuration files that do not end with a newline.
229 * Fixed crashes in situations where hostnames could not be resolved or hosts
230 would disconnect at the same time as session keys were exchanged.
232 * Improved default settings of tun and tap devices on BSD platforms.
234 * Make IPv6 sockets bind only to IPv6 on Linux.
236 * Enable path MTU discovery by default.
238 * Fixed a memory leak that occured when connections were closed.
240 Thanks to Max Rijevski for his contributions to this version of tinc.
242 Version 1.0.8 May 16 2007
244 * Fixed some memory and resource leaks.
246 * Made network sockets non-blocking under Windows.
248 Thanks to Scott Lamb and "dnk" for their contributions to this version of tinc.
250 Version 1.0.7 Jan 5 2007
252 * Fixed a bug that caused slow network speeds on Windows.
254 * Fixed a bug that caused tinc unable to write packets to the tun device on
257 Version 1.0.6 Dec 18 2006
259 * More flexible detection of the LZO libraries when compiling.
261 * Fixed a bug where broadcasts in switch and hub modes sometimes would not
262 work anymore when part of the VPN had become disconnected from the rest.
264 Version 1.0.5 Nov 14 2006
266 * Lots of small fixes.
268 * Broadcast packets no longer grow in size with each hop. This should
269 fix switch mode (again).
271 * Generic host-up and host-down scripts.
273 * Optionally dump graph in graphviz format to a file or a script.
275 * Support LZO 2.0 and later.
277 Thanks to Scott Lamb for his contributions to this version of tinc.
279 Version 1.0.4 May 4 2005
281 * Fix switch and hub modes.
283 * Optionally start scripts when a Subnet becomes (un)reachable.
285 Version 1.0.3 Nov 11 2004
287 * Show error message when failing to write a PID file.
289 * Ignore spaces at end of lines in config files.
291 * Fix handling of late packets.
293 * Unify BSD tun/tap device handling. This allows IPv6 on tun devices and
294 anything on tap devices as long as the underlying OS supports it.
296 * Handle IPv6 on Solaris tun devices.
298 * Allow tinc to work properly under Windows XP SP2.
300 * Allow VLAN tagged Ethernet frames in switch and hub mode.
302 * Experimental PMTUDiscovery, TunnelServer and BlockingTCP options.
304 Version 1.0.2 Nov 8 2003
306 * Fix address and hostname resolving under Windows.
308 * Remove warnings about non-existing scripts and unsupported address families.
310 * Use the event logger under Windows.
312 * Fix quoting of filenames and command line arguments under Windows.
314 * Strict checks for length incoming network packets and return values of
315 cryptographic functions,
317 * Fix a bug in metadata handling that made the tinc daemon abort.
319 Version 1.0.1 Aug 14 2003
321 * Allow empty lines in config files.
323 * Fix handling of spaces and backslashes in filenames under native Windows.
325 * Allow scripts to be executed under native Windows.
327 * Update documentation, make it less Linux specific.
329 Version 1.0 Aug 4 2003
331 * Lots of small bugfixes and code cleanups.
333 * Throughput doubled and latency reduced.
335 * Added support for LZO compression.
337 * No need to set MAC address or disable ARP anymore.
339 * Added support for Windows 2000 and XP, both natively and in a Cygwin
342 Version 1.0pre8 Sep 16 2002
344 * More fixes for subnets with prefixlength undivisible by 8.
346 * Added support for NetBSD and MacOS/X.
348 * Switched from undirected graphs to directed graphs to avoid certain race
349 conditions and improve scalability.
351 * Generalized broadcasting and forwarding of protocol messages.
353 * Cleanup of source code.
355 Version 1.0pre7 Apr 7 2002
357 * Don't do blocking read()s when getting a signal.
359 * Remove RSA key checking code, since it sometimes thinks perfectly good RSA
362 * Fix handling of subnets when prefixlength isn't divisible by 8.
364 Version 1.0pre6 Mar 27 2002
366 * Improvement of redundant links:
367 * Non-blocking connects.
368 * Protocol broadcast messages can no longer go into an infinite loop.
369 * Graph algorithm updated to look harder for direct connections.
371 * Good support for routing IPv6 packets over the VPN. Works on Linux,
372 FreeBSD, possibly OpenBSD but not on Solaris.
374 * Support for tunnels over IPv6 networks. Works on all supported
377 * Optional compression of UDP connections using zlib.
379 * Optionally let UDP connections inherit TOS field of tunneled packets.
381 * Optionally start scripts when certain hosts become (un)reachable.
383 Version 1.0pre5 Feb 9 2002
385 * Security enhancements:
386 * Added sequence number and optional message authentication code to
388 * Configurable encryption cipher and digest algorithms.
390 * More robust handling of dis- and reconnects.
392 * Added a "switch" and a "hub" mode to allow bridging setups.
394 * Preliminary support for routing of IPv6 packets.
396 * Supports Linux, FreeBSD, OpenBSD and Solaris.
398 Version 1.0pre4 Jan 17 2001
400 * Updated documentation; the documentation now reflects the
401 configuration as it is.
403 * Some internal changes to make tinc scale better for large
404 networks, such as using AVL trees instead of linked lists for the
407 * RSA keys can be stored in separate files if needed. See the
408 documentation for more information.
410 * Tinc has now been reported to run on Linux PowerPC and FreeBSD x86.
412 Version 1.0pre3 Oct 31 2000
414 * The protocol has been redesigned, and although some details are
415 still under discussion, this is secure. Care has been taken to
416 resist most, if not all, attacks.
418 * Unfortunately this protocol is not compatible with earlier versions,
419 nor are earlier versions compatible with this version. Because the
420 older protocol has huge security flaws, we feel that not
421 implementing backwards compatibility is justified.
423 * Some data about the protocol:
424 * It uses public/private RSA keys for authentication (this is the
425 actual fix for the security hole).
426 * All cryptographic functions have been taken out of tinc, instead
427 it uses the OpenSSL library functions.
428 * Offers support for multiple subnets per tinc daemon.
430 * New is also the support for the universal tun/tap device. This
431 means better portability to FreeBSD and Solaris.
433 * Tinc is tested to compile on Solaris, Linux x86, Linux alpha.
435 * Tinc now uses the OpenSSL library for cryptographic operations.
436 More information on getting and installing OpenSSL is in the manual.
437 This also means that the GMP library is no longer required.
439 * Further, thanks to Enrique Zanardi, we have Spanish messages; Matias
440 Carrasco provided us with a Spanish translation of the manual.
442 Version 1.0pre2 May 31 2000
444 * This version has been internationalized; and a Dutch translation has
447 * Two configuration variables have been added:
448 * VpnMask - the IP network mask for the entire VPN, not just our
449 subnet (as given by MyVirtualIP). The Redhat and Debian packages
450 use this variable in their system startup scripts, but it is
452 * Hostnames - if set to `yes', look up the names of IP addresses
453 trying to connect to us. Default set to `no', to prevent lockups
456 * The system startup scripts for Debian and Redhat use
457 /etc/tinc/nets.boot to find out which networks need to be started
460 * Fixes to prevent denial of service attacks by sending random data
461 after connecting (and even when the connection has been established),
462 either random garbage or just nonsensical protocol fields.
464 * Tinc will retry to connect upon startup, does not quit if it doesn't
467 * Hosts that are disconnected implicitly if we lose a connection get
468 deleted from the internal list, to prevent hogging eachother with
469 add and delete requests when the connection is restored.
471 Version 1.0pre1 May 12 2000
475 * Various other bugfixes
477 * Documentation updates
479 Version 0.3.3 Feb 9 2000
481 * Fixed bug that made tinc stop working with latest kernels
485 Version 0.3.2 Nov 12 1999
487 * No more `Invalid filedescriptor' when working with multiple
490 * Forward unknown packets to uplink.
492 Version 0.3.1 Oct 20 1999
494 * Fixed a bug where tinc would exit without a trace.
496 Version 0.3 Aug 20 1999
498 * Pings now work immediately.
500 * All packet sizes get transmitted correctly.
502 Version 0.2.26 Aug 15 1999
504 * Fixed some remaining bugs.
506 * --sysconfdir works with configure.
508 * Last version before 0.3.
510 Version 0.2.25 Aug 8 1999
512 * Improved stability, going towards 0.3 now.
514 Version 0.2.24 Aug 7 1999
516 * Added key aging, there's a new config variable, KeyExpire.
518 * Updated man and info pages.
520 Version 0.2.23 Aug 5 1999
522 * All known bugs fixed, this is a candidate for 0.3.
524 Version 0.2.22 Apr 11 1999
526 * Multiconnection thing is now working nearly perfect :)
528 Version 0.2.21 Apr 10 1999
530 * You shouldn't notice a thing, but a lot has changed wrt key
531 management - except that it refuses to talk to versions < 0.2.20
533 Version 0.2.19 Apr 3 1999
535 * Don't install a libcipher.so.
537 Version 0.2.18 Apr 3 1999
539 * Blowfish library dynamically loaded upon execution.
541 * Included Eric Young's IDEA library.
543 Version 0.2.17 Apr 1 1999
545 * Tincd now re-executes itself in case of a segmentation fault.
547 Version 0.2.16 Apr 1 1999
549 * Wrote tincd.conf(5) man page, which still needs a lot of work.
551 * Config file now accepts and tolerates spaces, and any integer base
552 for integer variables, and better error reporting. See
553 doc/tincd.conf.sample for an example.
555 Version 0.2.15 Mar 29 1999
559 Version 0.2.14 Feb 10 1999
561 * Added --timeout flag and PingTimeout configuration.
562 * Did some first syslog cleanup work.
564 Version 0.2.13 Jan 23 1999
568 Version 0.2.12 Jan 23 1999
570 * Fixed nauseating bug so that it would crash whenever a connection
573 Version 0.2.11 Jan 22 1999
575 * Framework for multiple connections has been done.
577 * Simple manpage for tincd.
579 Version 0.2.10 Jan 18 1999
581 * Passphrase support added.
583 Version 0.2.9 Jan 13 1999
587 Version 0.2.8 Jan 11 1999
589 * A reworked protocol version.
591 * A ping/pong system.
593 * More reliable networking code.
595 * Automatic reconnection.
597 * Still does not work with more than one connection :)
599 * Strips MAC addresses before sending, so there's less overhead, and
602 Version 0.2.7 Jan 3 1999
604 * Several updates to make extending more easy.
606 Version 0.2.6 Dec 20 1998
608 * Point-to-Point connections have been established, including
609 Blowfish encryption and a secret key-exchange.
611 Version 0.2.5 Dec 16 1998
613 * Project renamed to tinc, in honour of TINC.
615 Version 0.2.4 Dec 16 1998
617 * Now it really does ;)
619 Version 0.2.3 Nov 24 1998
621 * It sort of works now.
623 Version 0.2.2 Nov 20 1998
627 Version 0.2.1 Nov 14 1998