Outils pour utilisateurs
Table des matières
TINC
What is tinc?
tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet. tinc is Free Software and licensed under the GNU General Public License version 2 or later. Because the VPN appears to the IP level network code as a normal network device, there is no need to adapt any existing software. This allows VPN sites to share information with each other over the Internet without exposing any information to others. In addition, tinc has the following features:
Encryption, authentication and compression
All traffic is optionally compressed using zlib or LZO, and LibreSSL or OpenSSL is used to encrypt the traffic and protect it from alteration with message authentication codes and sequence numbers.
Automatic full mesh routing
Regardless of how you set up the tinc daemons to connect to each other, VPN traffic is always (if possible) sent directly to the destination, without going through intermediate hops.
NAT traversal
As long as one node in the VPN allows incoming connections on a public IP address (even if it is a dynamic IP address), tinc will be able to do NAT traversal, allowing direct communication between peers.
Easily expand your VPN
When you want to add nodes to your VPN, all you have to do is add an extra configuration file, there is no need to start new daemons or create and configure new devices or network interfaces.
Ability to bridge ethernet segments
You can link multiple ethernet segments together to work like a single segment, allowing you to run applications and games that normally only work on a LAN over the Internet.
Runs on many operating systems and supports IPv6
Currently Linux, FreeBSD, OpenBSD, NetBSD, OS X, Solaris, Windows 2000, XP, Vista and Windows 7 and 8 platforms are supported. See our section about supported platforms for more information about the state of the ports. tinc has also full support for IPv6, providing both the possibility of tunneling IPv6 traffic over its tunnels and of creating tunnels over existing IPv6 networks.
Installation
Documentation
Example
Port 443 and route.
A: tun0 : 10.1.0.1 mask 255.255.0.0 ; IP PUBLIC : 56.142.24.99 ; Ubuntu server 18.04
B: tun0 : 10.2.0.2 mask 255.255.0.0 ; IP PHYSIQUE : 192.168.1.11/24 ; Ubuntu desktop 16.04
$ sudo apt update
$ sudo apt upgrade
$ sudo apt install tinc
serverA
Make sure port 443 open in UDP and TCP via manager like scaleway…
$ sudo mkdir -p /etc/tinc/vpn0/hosts/
$ sudo nano /etc/tinc/vpn0/tinc.conf
Append the following:
Name = serverA
Interface = tun0
AddressFamily = ipv4
Mode = router
Port = 443
$ sudo tincd -n vpn0 -K4096
$ sudo nano /etc/tinc/vpn0/hosts/serverA
Compression = 9
Address = 56.142.24.99
Port = 443
Subnet = 10.1.0.1/32
—–BEGIN RSA PUBLIC KEY—–
$ sudo nano /etc/tinc/vpn0/tinc-up
#!/bin/sh
ifconfig $INTERFACE 10.1.0.1 netmask 255.255.0.0
route add -net 192.168.1.0 netmask 255.255.255.0 gw 10.1.0.1
$ sudo nano /etc/tinc/vpn0/tinc-down
#!/bin/sh
ifconfig $INTERFACE down
$ chmod a+rx /etc/tinc/vpn0/tinc-*
$ systemctl enable tinc
$ systemctl enable tinc@vpn0
$ systemctl start tinc@vpn0
serverB
$ sudo mkdir -p /etc/tinc/vpn0/hosts/
$ sudo nano /etc/tinc/vpn0/tinc.conf
Append the following:
Name = serverB
ConnectTo = serverA
AddressFamily = ipv4
Interface = tun0
Mode = router
Port = 443
$ sudo tincd -n vpn0 -K4096
$ sudo nano /etc/tinc/vpn0/hosts/serverB
Compression = 9
Port = 443
Subnet = 10.1.0.2/32
Subnet = 192.168.1.0/24
—–BEGIN RSA PUBLIC KEY—–
$ sudo nano /etc/tinc/vpn0/tinc-up
#!/bin/sh
ifconfig $INTERFACE 10.1.0.2 netmask 255.255.0.0
$ sudo nano /etc/tinc/vpn0/tinc-down
#!/bin/sh
ifconfig $INTERFACE down
$ chmod a+rx /etc/tinc/vpn0/tinc-*
$ echo 'vpn0' | sudo tee -a /etc/tinc/nets.boot
$ systemctl enable tinc
$ systemctl start tinc
Utils
Verification tun0 launch :
$ ps aux | grep tincd
Journal :
$ journalctl -u tinc
$ sudo systemctl enable tinc
$ sudo systemctl disable tinc
$ sudo systemctl restart tinc
$ sudo systemctl start tinc
$ sudo systemctl stop tinc
Make sure port is opened:
$ netstat -tulpn | grep tincd
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