Tinc (protocol)

Tinc (protocol)
Original author(s)	Guus Sliepen, Ivo Timmermans, Wessel Dankers
Developer(s)	The Tinc development team
Initial release	14 November 1998 (1998-11-14)
Stable release	1.0.26 / 5 July 2015 (2015-07-05)
Preview release	1.1pre11 / 1 March 2015 (2015-03-01)
Written in	C (programming language)
Operating system	Linux, FreeBSD, OpenBSD, NetBSD, DragonFly BSD, Mac OS X, Microsoft Windows, Solaris
Type	VPN
License	GPL
Website	www.tinc-vpn.org

Tinc is an open-source, self-routing, mesh networking protocol, used for compressed, encrypted, virtual private networks. It was started in 1998 by Guus Sliepen, Ivo Timmermans, and Wessel Dankers, and released as a GPL-licensed project.

Supported network transports

Embedded technologies

OpenSSL (encryption library)
zlib ("best compression")
LZO ("fast compression")

Projects that use tinc

Freifunk: tinc was enabled in their routers as of October 2006 .
OpenWrt has an installable package for tinc.
pfSense has an installable package in the 2.2 release
Tomato has tinc support included in the Shibby mod.

External links

Virtual private networking

Communications protocol	SSTP IPsec L2TP L2TPv3 PPTP Split tunneling SSL/TLS (Opportunistic: tcpcrypt)

Free software	Cloudvpn FreeS/WAN Libreswan n2n OpenConnect OpenIKED Openswan OpenVPN Social VPN SoftEther VPN strongSwan tcpcrypt tinc VTun

Vendor-driven protocols	Layer 2 Forwarding Protocol DirectAccess

Proprietary software	Check Point VPN-1 Cisco Systems VPN Client Hamachi Microsoft Forefront Unified Access Gateway

Risk Vectors	Content-control software Deep content inspection Deep packet inspection IP address blocking Network enumeration Stateful firewall TCP Reset VPN blocking

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