1 Version 1.0.24 May 11 2014
3 * Various compiler hardening flags are enabled by default.
5 * Updated support for Solaris, allowing switch mode on Solaris 11.
7 * Configuration will now also be read from a conf.d directory.
9 * Various updates to the documentation.
11 * Tinc now forces glibc to reload /etc/resolv.conf after it receives SIGALRM.
13 * Fixed a potential routing loop when IndirectData or TCPOnly is used and
14 broadcast packets are being sent.
16 * Improved security with constant time memcmp and stricter use of OpenSSL's
19 * Fixed all issues found by Coverity.
21 Thanks to Florent Clairambault, Vilbrekin, luckyhacky, Armin Fisslthaler, Loïc
22 Dachary and Steffan Karger for their contributions to this version of tinc.
24 Version 1.0.23 October 19 2013
26 * Start authentication immediately on outgoing connections (useful for sslh).
28 * Fixed segfault when Name = $HOST but $HOST is not set.
30 * Updated the build system and the documentation.
32 * Clean up child processes left over from Proxy = exec.
34 Version 1.0.22 August 13 2013
36 * Fixed the combination of Mode = router and DeviceType = tap.
38 * The $NAME variable is now set in subnet-up/down scripts.
40 * Tinc now gives an error when unknown options are given on the command line.
42 * Tinc now correctly handles a space between a short command line option and
45 Thanks to Etienne Dechamps for his contribution to this version of tinc.
47 Version 1.0.21 April 22 2013
49 * Drop packets forwarded via TCP if they are too big (CVE-2013-1428).
51 Thanks to Martin Schobert for auditing tinc and reporting this vulnerability.
53 Version 1.0.20 March 03 2013
55 * Use /dev/tap0 by default on FreeBSD and NetBSD when using switch mode.
57 * Minor improvements and clarifications in the documentation.
59 * Allow tinc to be cross-compiled with Android's NDK.
61 * The discovered PMTU is now also applied to VLAN tagged traffic.
63 * The LocalDiscovery option now makes use of all addresses tinc is bound to.
65 * Fixed support for tunemu on iOS devices.
67 * The PriorityInheritance option now also works with switch mode.
69 * Fixed tinc crashing when using a SOCKS5 proxy.
71 Thanks to Mesar Hameed, Vilbrekin and Martin Schürrer for their contributions
72 to this version of tinc.
74 Version 1.0.19 June 25 2012
76 * Allow :: notation in IPv6 Subnets.
78 * Add support for systemd style socket activation.
80 * Allow environment variables to be used for the Name option.
82 * Add basic support for SOCKS proxies, HTTP proxies, and proxying through an
85 Thanks to Anthony G. Basile and Michael Tokarev for their contributions to
88 Version 1.0.18 March 25 2012
90 * Fixed IPv6 in switch mode by turning off DecrementTTL by default.
92 * Allow a port number to be specified in BindToAddress, which also allows tinc
93 to listen on multiple ports.
95 * Add support for multicast communication with UML/QEMU/KVM.
97 Version 1.0.17 March 10 2012
99 * The DeviceType option can now be used to select dummy, raw socket, UML and
100 VDE devices without needing to recompile tinc.
102 * Allow multiple BindToAddress statements.
104 * Decrement TTL value of IPv4 and IPv6 packets.
106 * Add LocalDiscovery option allowing tinc to detect peers that are behind the
109 * Accept Subnets passed with the -o option when StrictSubnets = yes.
111 * Disabling old RSA keys when generating new ones now also works properly on
114 Thanks to Nick Hibma for his contribution to this version of tinc.
116 Version 1.0.16 July 23 2011
118 * Fixed a performance issue with TCP communication under Windows.
120 * Fixed code that, during network outages, would cause tinc to exit when it
121 thought two nodes with identical Names were on the VPN.
123 Version 1.0.15 June 24 2011
125 * Improved logging to file.
127 * Reduced amount of process wakeups on platforms which support pselect().
129 * Fixed ProcessPriority option under Windows.
131 Version 1.0.14 May 8 2011
133 * Fixed reading configuration files that do not end with a newline. Again.
135 * Allow arbitrary configuration options being specified on the command line.
137 * Allow all options in both tinc.conf and the local host config file.
139 * Configurable replay window, UDP send and receive buffers for performance tuning.
141 * Try harder to get UDP communication back after falling back to TCP.
143 * Initial support for attaching tinc to a VDE switch.
145 * DragonFly BSD support.
147 * Allow linking with OpenSSL 1.0.0.
149 Thanks to Brandon Black, Julien Muchembled, Michael Tokarev, Rumko and Timothy
150 Redaelli for their contributions to this version of tinc.
152 Version 1.0.13 Apr 11 2010
154 * Allow building tinc without LZO and/or Zlib.
156 * Clamp MSS of TCP packets in both directions.
158 * Experimental StrictSubnets, Forwarding and DirectOnly options,
159 giving more control over information and packets received from/sent to other
162 * Ensure tinc never sends symbolic names for ports over the wire.
164 Version 1.0.12 Feb 3 2010
166 * Really allow fast roaming of hosts to other nodes in a switched VPN.
168 * Fixes missing or incorrect environment variables when calling host-up/down
169 and subnet-up/down scripts in some cases.
171 * Allow port to be specified in Address statements.
173 * Clamp MSS of TCP packets to the discovered path MTU.
175 * Let two nodes behind NAT learn each others current UDP address and port via
176 a third node, potentially allowing direct communications in a similar way to
179 Version 1.0.11 Nov 1 2009
181 * Fixed potential crash when the HUP signal is sent.
183 * Fixes handling of weighted Subnets in switch and hub modes, preventing
184 unnecessary broadcasts.
186 * Works around a MinGW bug that caused packets to Windows nodes to always be
189 * Improvements to the PMTU discovery code, especially on Windows.
191 * Use UDP again in certain cases where 1.0.10 was too conservative and fell
192 back to TCP unnecessarily.
194 * Allow fast roaming of hosts to other nodes in a switched VPN.
196 Version 1.0.10 Oct 18 2009
198 * Fixed potential crashes during shutdown and (in rare conditions) when other
199 nodes disconnected from the VPN.
201 * Improved NAT handling: tinc now copes with mangled port numbers, and will
202 automatically fall back to TCP if direct UDP connection between nodes is not
203 possible. The TCPOnly option should not have to be used anymore.
205 * Allow configuration files with CRLF line endings to be read on UNIX.
207 * Disable old RSA keys when generating new ones, and raise the default size of
208 new RSA keys to 2048 bits.
210 * Many fixes in the path MTU discovery code, especially when Compression is
213 * Tinc can now drop privileges and/or chroot itself.
215 * The TunnelServer code now just ignores information from clients instead of
218 * Improved performance on Windows by using the new ProcessPriority option and
219 by making the handling of packets received from the TAP-Win32 adapter more
222 * Code cleanups: tinc now follows the C99 standard, copyright headers have
223 been updated to include patch authors, checkpoint tracing and localisation
224 features have been removed.
226 * Support for (jailbroken) iPhone and iPod Touch has been added.
228 Thanks to Florian Forster, Grzegorz Dymarek and especially Michael Tokarev for
229 their contributions to this version of tinc.
231 Version 1.0.9 Dec 26 2008
233 * Fixed tinc as a service under Windows 2003.
235 * Fixed reading configuration files that do not end with a newline.
237 * Fixed crashes in situations where hostnames could not be resolved or hosts
238 would disconnect at the same time as session keys were exchanged.
240 * Improved default settings of tun and tap devices on BSD platforms.
242 * Make IPv6 sockets bind only to IPv6 on Linux.
244 * Enable path MTU discovery by default.
246 * Fixed a memory leak that occured when connections were closed.
248 Thanks to Max Rijevski for his contributions to this version of tinc.
250 Version 1.0.8 May 16 2007
252 * Fixed some memory and resource leaks.
254 * Made network sockets non-blocking under Windows.
256 Thanks to Scott Lamb and "dnk" for their contributions to this version of tinc.
258 Version 1.0.7 Jan 5 2007
260 * Fixed a bug that caused slow network speeds on Windows.
262 * Fixed a bug that caused tinc unable to write packets to the tun device on
265 Version 1.0.6 Dec 18 2006
267 * More flexible detection of the LZO libraries when compiling.
269 * Fixed a bug where broadcasts in switch and hub modes sometimes would not
270 work anymore when part of the VPN had become disconnected from the rest.
272 version 1.0.5 Nov 14 2006
274 * Lots of small fixes.
276 * Broadcast packets no longer grow in size with each hop. This should
277 fix switch mode (again).
279 * Generic host-up and host-down scripts.
281 * Optionally dump graph in graphviz format to a file or a script.
283 * Support LZO 2.0 and later.
285 Thanks to Scott Lamb for his contributions to this version of tinc.
287 version 1.0.4 May 4 2005
289 * Fix switch and hub modes.
291 * Optionally start scripts when a Subnet becomes (un)reachable.
293 version 1.0.3 Nov 11 2004
295 * Show error message when failing to write a PID file.
297 * Ignore spaces at end of lines in config files.
299 * Fix handling of late packets.
301 * Unify BSD tun/tap device handling. This allows IPv6 on tun devices and
302 anything on tap devices as long as the underlying OS supports it.
304 * Handle IPv6 on Solaris tun devices.
306 * Allow tinc to work properly under Windows XP SP2.
308 * Allow VLAN tagged Ethernet frames in switch and hub mode.
310 * Experimental PMTUDiscovery, TunnelServer and BlockingTCP options.
312 version 1.0.2 Nov 8 2003
314 * Fix address and hostname resolving under Windows.
316 * Remove warnings about non-existing scripts and unsupported address families.
318 * Use the event logger under Windows.
320 * Fix quoting of filenames and command line arguments under Windows.
322 * Strict checks for length incoming network packets and return values of
323 cryptographic functions,
325 * Fix a bug in metadata handling that made the tinc daemon abort.
327 version 1.0.1 Aug 14 2003
329 * Allow empty lines in config files.
331 * Fix handling of spaces and backslashes in filenames under native Windows.
333 * Allow scripts to be executed under native Windows.
335 * Update documentation, make it less Linux specific.
337 version 1.0 Aug 4 2003
339 * Lots of small bugfixes and code cleanups.
341 * Throughput doubled and latency reduced.
343 * Added support for LZO compression.
345 * No need to set MAC address or disable ARP anymore.
347 * Added support for Windows 2000 and XP, both natively and in a Cygwin
350 version 1.0pre8 Sep 16 2002
352 * More fixes for subnets with prefixlength undivisible by 8.
354 * Added support for NetBSD and MacOS/X.
356 * Switched from undirected graphs to directed graphs to avoid certain race
357 conditions and improve scalability.
359 * Generalized broadcasting and forwarding of protocol messages.
361 * Cleanup of source code.
364 version 1.0pre7 Apr 7 2002
366 * Don't do blocking read()s when getting a signal.
368 * Remove RSA key checking code, since it sometimes thinks perfectly good RSA
371 * Fix handling of subnets when prefixlength isn't divisible by 8.
374 version 1.0pre6 Mar 27 2002
376 * Improvement of redundant links:
378 * Non-blocking connects.
380 * Protocol broadcast messages can no longer go into an infinite loop.
382 * Graph algorithm updated to look harder for direct connections.
384 * Good support for routing IPv6 packets over the VPN. Works on Linux,
385 FreeBSD, possibly OpenBSD but not on Solaris.
387 * Support for tunnels over IPv6 networks. Works on all supported
390 * Optional compression of UDP connections using zlib.
392 * Optionally let UDP connections inherit TOS field of tunneled packets.
394 * Optionally start scripts when certain hosts become (un)reachable.
397 version 1.0pre5 Feb 9 2002
399 * Security enhancements:
401 * Added sequence number and optional message authentication code to
404 * Configurable encryption cipher and digest algorithms.
406 * More robust handling of dis- and reconnects.
408 * Added a "switch" and a "hub" mode to allow bridging setups.
410 * Preliminary support for routing of IPv6 packets.
412 * Supports Linux, FreeBSD, OpenBSD and Solaris.
415 It looks like this might be the last release before 1.0.
418 version 1.0pre4 Jan 17 2001
420 * Updated documentation; the documentation now reflects the
421 configuration as it is.
423 * Some internal changes to make tinc scale better for large
424 networks, such as using AVL trees instead of linked lists for the
427 * RSA keys can be stored in separate files if needed. See the
428 documentation for more information.
430 * tinc has now been reported to run on Linux PowerPC and FreeBSD x86.
434 version 1.0pre3 Oct 31 2000
436 * The protocol has been redesigned, and although some details are
437 still under discussion, this is secure. Care has been taken to
438 resist most, if not all, attacks.
440 * Unfortunately this protocol is not compatible with earlier versions,
441 nor are earlier versions compatible with this version. Because the
442 older protocol has huge security flaws, we feel that not
443 implementing backwards compatibility is justified.
445 * Some data about the protocol:
447 * It uses public/private RSA keys for authentication (this is the
448 actual fix for the security hole).
450 * All cryptographic functions have been taken out of tinc, instead
451 it uses the OpenSSL library functions.
453 * Offers support for multiple subnets per tinc daemon.
455 * New is also the support for the universal tun/tap device. This
456 means better portability to FreeBSD and Solaris.
458 * tinc is tested to compile on Solaris, Linux x86, Linux alpha.
460 * tinc now uses the OpenSSL library for cryptographic operations.
461 More information on getting and installing OpenSSL is in the manual.
462 This also means that the GMP library is no longer required.
464 * Further, thanks to Enrique Zanardi, we have Spanish messages; Matias
465 Carrasco provided us with a Spanish translation of the manual.
468 What still needs to be done before 1.0:
470 * Documentation. Especially since the protocol has changed, and a lot
471 of configuration directives have been added.
476 version 1.0pre2 May 31 2000
478 * This version has been internationalized; and a Dutch translation has
481 * Two configuration variables have been added:
482 * VpnMask - the IP network mask for the entire VPN, not just our
483 subnet (as given by MyVirtualIP). The Redhat and Debian packages
484 use this variable in their system startup scripts, but it is
486 * Hostnames - if set to `yes', look up the names of IP addresses
487 trying to connect to us. Default set to `no', to prevent lockups
490 * The system startup scripts for Debian and Redhat use
491 /etc/tinc/nets.boot to find out which networks need to be started
494 * Fixes to prevent denial of service attacks by sending random data
495 after connecting (and even when the connection has been established),
496 either random garbage or just nonsensical protocol fields.
498 * tinc will retry to connect upon startup, does not quit if it doesn't
501 * Hosts that are disconnected implicitly if we lose a connection get
502 deleted from the internal list, to prevent hogging eachother with
503 add and delete requests when the connection is restored.
506 What still needs to be done before 1.0:
509 * Failover ConnectTo lines, try another one if the first doesn't work.
514 version 1.0pre1 May 12 2000
516 * Various other bugfixes
517 * Documentation updates
519 version 0.3.3 Feb 9 2000
520 * Fixed bug that made tinc stop working with latest kernels (Guus
524 version 0.3.2 Nov 12 1999
525 * no more `Invalid filedescriptor' when working with multiple
527 * forward unknown packets to uplink
529 version 0.3.1 Oct 20 1999
530 * fixed a bug where tinc would exit without a trace
532 version 0.3 Aug 20 1999
533 * pings now work immediately
534 * all packet sizes get transmitted correctly
536 version 0.2.26 Aug 15 1999
537 * fixed some remaining bugs
538 * --sysconfdir works with configure
539 * last version before 0.3
541 version 0.2.25 Aug 8 1999
542 * improved stability, going towards 0.3 now.
544 version 0.2.24 Aug 7 1999
545 * added key aging, there's a new config variable, KeyExpire.
546 * updated man and info pages
548 version 0.2.23 Aug 5 1999
549 * all known bugs fixed, this is a candidate for 0.3
551 version 0.2.22 Apr 11 1999
552 * multiconnection thing is now working nearly perfect :)
554 version 0.2.21 Apr 10 1999
555 * You shouldn't notice a thing, but a lot has changed wrt key
556 management - except that it refuses to talk to versions < 0.2.20
560 version 0.2.19 Apr 3 1999
561 * don't install a libcipher.so
563 version 0.2.18 Apr 3 1999
564 * blowfish library dynamically loaded upon execution
565 * included Eric Young's IDEA library
567 version 0.2.17 Apr 1 1999
568 * tincd now re-executes itself in case of a segmentation fault.
570 version 0.2.16 Apr 1 1999
571 * wrote tincd.conf(5) man page, which still needs a lot of work.
572 * config file now accepts and tolerates spaces, and any integer base
573 for integer variables, and better error reporting. See
574 doc/tincd.conf.sample for an example.
576 version 0.2.15 Mar 29 1999
579 version 0.2.14 Feb 10 1999
580 * added --timeout flag and PingTimeout configuration
581 * did some first syslog cleanup work
583 version 0.2.13 Jan 23 1999
586 version 0.2.12 Jan 23 1999
587 * fixed nauseating bug so that it would crash whenever a connection
590 version 0.2.11 Jan 22 1999
591 * framework for multiple connections has been done
592 * simple manpage for tincd
594 version 0.2.10 Jan 18 1999
595 * passphrase support added
597 version 0.2.9 Jan 13 1999
600 version 0.2.8 Jan 11 1999
601 * a reworked protocol version
603 * more reliable networking code
604 * automatic reconnection
605 * still does not work with more than one connection :)
606 * strips MAC addresses before sending, so there's less overhead, and
609 version 0.2.7 Jan 3 1999
610 * several updates to make extending more easy.
612 version 0.2.6 Dec 20 1998
613 * Point-to-Point connections have been established, including
614 blowfish encryption and a secret key-exchange.
616 version 0.2.5 Dec 16 1998
617 * Project renamed to tinc, in honour of TINC.
619 version 0.2.4 Dec 16 1998
620 * now it really does ;)
622 version 0.2.3 Nov 24 1998
623 * it sort of works now
625 version 0.2.2 Nov 20 1998
628 version 0.2.1 Nov 14 1998
projects / tinc / blob