When talking about networking, nobody talks (until it really matters) about how replies would flow back. So if you initiate the traffic then this is an outboun

When talking about networking, nobody talks (until it really matters) about how replies would flow back. So if you initiate the traffic then this is an outbound traffic; if someone else initiate traffic with your host, then this is inbound traffic. I think you can wade through a multiple "how to route specific traffic through VPN in linux" articles on the net to find one what would suit you.