94 lines
3.4 KiB
Text
94 lines
3.4 KiB
Text
This is the README file for tinc version 1.1pre10. Installation
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instructions may be found in the INSTALL file.
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tinc is Copyright (C) 1998-2014 by:
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Ivo Timmermans,
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Guus Sliepen <guus@tinc-vpn.org>,
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and others.
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For a complete list of authors see the AUTHORS file.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version. See the file COPYING for more details.
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This is a pre-release
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---------------------
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Please note that this is NOT a stable release. Until version 1.1.0 is released,
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please use one of the 1.0.x versions if you need a stable version of tinc.
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Although tinc 1.1 will be protocol compatible with tinc 1.0.x, the
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functionality of the tinc program may still change, and the control socket
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protocol is not fixed yet.
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Security statement
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------------------
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This version uses an experimental and unfinished cryptographic protocol. Use it
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at your own risk.
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Compatibility
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-------------
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Version 1.1pre10 is compatible with 1.0pre8, 1.0 and later, but not with older
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versions of tinc.
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When the ExperimentalProtocol option is used, tinc is still compatible with
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1.0.X and 1.1pre10 itself, but not with any other 1.1preX version.
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Requirements
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------------
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In order to compile tinc, you will need a GNU C compiler environment. Please
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ensure you have the latest stable versions of all the required libraries:
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- OpenSSL (http://www.openssl.org/) version 1.0.0 or later, with support for
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elliptic curve cryptography (ECC) and Galois counter mode (GCM) enabled.
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The following libraries are used by default, but can be disabled if necessary:
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- zlib (http://www.gzip.org/zlib/)
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- lzo (http://www.oberhumer.com/opensource/lzo/)
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- ncurses (http://invisible-island.net/ncurses/)
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- readline (ftp://ftp.gnu.org/pub/gnu/readline/)
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Features
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--------
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Tinc is a peer-to-peer VPN daemon that supports VPNs with an arbitrary number
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of nodes. Instead of configuring tunnels, you give tinc the location and
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public key of a few nodes in the VPN. After making the initial connections to
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those nodes, tinc will learn about all other nodes on the VPN, and will make
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connections automatically. When direct connections are not possible, data will
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be forwarded by intermediate nodes.
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By default, nodes authenticate each other using 2048 bit RSA (or 521 bit
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ECDSA*) keys. Traffic is encrypted using Blowfish in CBC mode (or AES-256 in
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GCM mode*), authenticated using HMAC-SHA1 (or GCM*), and is protected against
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replay attacks.
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*) When using the ExperimentalProtocol option.
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Tinc fully supports IPv6.
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Tinc can operate in several routing modes. In the default mode, "router", every
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node is associated with one or more IPv4 and/or IPv6 Subnets. The other two
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modes, "switch" and "hub", let the tinc daemons work together to form a virtual
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Ethernet network switch or hub.
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Normally, when started tinc will detach and run in the background. In a native
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Windows environment this means tinc will intall itself as a service, which will
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restart after reboots. To prevent tinc from detaching or running as a service,
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use the -D option.
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The status of the VPN can be queried using the "tinc" command, which connects
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to a running tinc daemon via a control connection. The same tool also makes it
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easy to start and stop tinc, and to change its configuration.
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