It seems I missed the part where you asked about detecting new connections. That's possible too :) http://code.google.com/p/badvpn/wiki/NCD#Handling_events_with

It seems I missed the part where you asked about detecting new connections. That's possible too :) http://code.google.com/p/badvpn/wiki/NCD#Handling_events_with_process_manager http://code.google.com/p/badvpn/wiki/NCD#Handling_events_wit... But then be careful with your dependency names, because they are global. You can prefix them with the interface name, e.g.: concat(dev, "-DHCP") dhcp_name; .