[vbox-dev] [PATCH] UDPTunnel : new network interface backend to allow using this to link to GNS3 and QEMU instances over the network

[Alexey Eromenko]

On Wed, May 11, 2011 at 5:41 PM, Perry Halbert <phalbert at cox.net> wrote:
> Question,
>
> Why not put this in an Extension Pack as an addon instead of changing the
> base code for everyone?
>
Developing Extension Pack is harder than this patch. (it means, that
only very big features will make it into ext.pack), or features with
incompatible licenses (like VNC).

> Myself I like the idea of being able to either have this or not. Seems to me
> that is one reason that the Ext. Pack was implemented.  What about the
> security of the added UDP protocol such as three-way handshake that is
> missing in UDP used for the validity of the claimed source address.  I know
> that all of this seems small but to rush to change the base without
> considering the underlaying issues seems wrong.

> If the decision is to include this in the base then there should also be a
> way to disable it built in as well.

Just don't use it if you don't like it. I don't use "Host-only
network", because for my use cases, loopback + bridge cover this need.
UDP tunnel is not secured, and this is by design, and documented in the docs.

-- 
-Alexey Eromenko "Technologov"