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

Perry Halbert phalbert at cox.net
Wed May 11 15:03:09 GMT 2011

OK, but you still are not considering the regular end user that does not 
compile their copy of VirtualBox.
As you say I can select to not have host-only but where is the ability 
to not have UDP?  I think it must be considered and built in.

On 05/11/2011 09:52 AM, Alexey Eromenko wrote:
> 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.
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