Tinc

Linux style Basic tinc-vpn setup

All Nodes Configuration Directory Structure

/etc/tinc/
          nets.boot
          networkname/
                      tinc.conf
                      tinc-up
                      tinc-down
                      hosts/
                            client1
                            client2
                            ...
                            tincserver

nets.boot

networkname

tinc.conf for client1

Name=client1
Device=/dev/net/tun
ConnectTo=tincserver
AddressFamily = ipv4

tinc-up for client1

#!/bin/bash
ifconfig $INTERFACE 192.168.22.1 netmask 255.255.255.0

tinc-down for client1

#!/bin/bash
ifconfig $INTERFACE down

Keygeneration

• to be run for each client
• tincd -n networkname -K4096
• private key goes to /etc/tinc/networkname
• public key goes to /etc/tinc/networkname/hosts
• add the first two lines as shown below according to client or server function

hosts/client1

Name=client1
Subnet=192.168.22.1
-----BEGIN RSA PUBLIC KEY-----
....
-----END RSA PUBLIC KEY-----

hosts/client2

Name=client2
Subnet=192.168.22.2
-----BEGIN RSA PUBLIC KEY-----
....
-----END RSA PUBLIC KEY-----

hosts/tincserver

Subnet=192.168.22.254
Address=SERVERPUBLICIP