Route outgoing connections to the VPN interface

Draft.

OpenVPN

apt install openvpn

UFW

ufw default deny outgoing
ufw allow out to VPN_IP proto udp
ufw allow out on tun0

• IP/udp - VPN host/protocol
• tun0 - valid local interface name

Connect

openvpn --config /etc/openvpn/client/config.ovpn

• provide auth-user-pass filepath (if required)

Test

host myip.opendns.com resolver1.opendns.com