Virtual Private Networking → How to get only UDP to go through VPN Tunnel

Are there any VPN Clients that would allow me to send UDP through the VPN and regular traffic without going through VPN?

None that I can think of off the top of my head, but I suspect what you want is something called "split tunneling,"
and this is normally configured on the VPN headend rather than the clientend.

To help further, it may be instructive to explain what your requirements for this are, and what your (existing)
setup is.

My 00000010bits

Regards

If that's not possible. How about something that connects the VPN connection only when there is UDP traffic and disconnects when there is no UDP traffic and allows everything through the regular connection.

Oh, I forgot to add my requirements. I need to be able to access a udp url through the VPN, that is all. All other traffic would go through internet.

Thanks for supplying that. Again, redirection of traffic is generally configured on a device
that has such a capability, like the VPN headend / router, and not on a VPN client (software)
that's run on an end PC. Unfortunately, without knowing what your setup is, or is going to be,
I can only answer in very general terms.

Also, you haven't specified WHERE this VPN client is going to connect to. VPNs, like a conversation
between two people, need two parties minimum to agree to doing this.

This is only a guess on my part, but you're looking into an online VPN service to connect to said
URL, but don't want the hassle of connecting and disconnecting the client software every time you
need to get to said URL? Is my understanding correct?

Otherwise, if you were to get and configure your own VPN router AND the associated client software,
this is all easy enough to do. ie. I could set up a VPN router on my home internet, set up a remote access
VPN tunnel, then setup a traffic rule that

if traffic from VPN user to udp URL, tunnel it, else
send traffic out default route
 

My 00000010bits

Regards

Yes, I would be using a vpn provider that supports UDP and TCP. So there is no way to tell the client side which traffic I want going through the tunnel?

I have been doing some research today and I have found that using OpenVPN will work.

»openvpn.net/archive/open ··· 096.html

I have yet to find any guide on how to setup so only UDP will go through the tunnel. Hopefully I will find something over the weekend, I would appreciate any help from other here.

No, as you do not control the other end, and generally speaking, commercial services like this are set up to
tunnel in an "all or nothing" configuration.

As for OPENVPN, again... you would need two endpoints that YOU control... ie. the remote PC / client connecting
from, and the "main" headend that you are connecting to.

Regards

My router can do that when it initiates site-to-site VPN connections.