Openvpn net2net psk

Scenario

Two Hosts

• tiazel
  • IP:10.84.252.32
  • NET:172.16.32.0
• zee
  • IP:10.84.252.31
  • NET:172.16.31.0

Install

• Install Openvpn

Create a PSK

• root@tiazel:~# *openvpn --genkey --secret /etc/openvpn/preshared.key
• root@tiazel:~# scp /etc/openvpn/preshared.key 10.84.252.31:/etc/openvpn/

tiazel

/etc/openvpn/server.conf

remote 10.84.252.31
local  10.84.252.32
dev tun
ifconfig 192.168.61.2 192.168.61.1
secret /etc/openvpn/preshared.key
ping 20
ping-restart 45
ping-timer-rem
persist-tun
persist-key
comp-lzo
port 5005
float
script-security 2
up /etc/openvpn/openvpn.up
verb 3

/etc/openvpn/openvpn.up

#!/bin/bash
ip route add 172.16.31.0/24 via $5

• chmod +x /etc/openvpn/openvpn.up

zee

/etc/openvpn/server.conf

remote 10.84.252.32
local  10.84.252.31
dev tun
ifconfig 192.168.61.1 192.168.61.2
secret /etc/openvpn/preshared.key
ping 20
ping-restart 45
ping-timer-rem
persist-tun
persist-key
comp-lzo
port 5005
float
script-security 2
up /etc/openvpn/openvpn.up
verb 3

/etc/openvpn/openvpn.up

#!/bin/bash
ip route add 172.16.32.0/24 via $5

• chmod +x /etc/openvpn/openvpn.up

Start on both sides

• openvpn --config /etc/openvpn/server.conf