VPN
Test for dns leaks
see DNS Is Leaking! Uses ISP DNS instead of VPN DNS!:
Run the following from the container:
wget https://raw.githubusercontent.com/macvk/dnsleaktest/master/dnsleaktest.sh && chmod +x dnsleaktest.sh && ./dnsleaktest.sh
VPN Containers
For Gluetun see gluetun.md