forwarding *some* web traffic to a virtual machine

[James Knott]

Matt Price wrote:
> Hi folks,
>
> I have a box that is permitted a single IP address; the box runs one 
> host OS and a single guest virtual machine.  Both these systems need 
> to serve web pages, and for now, both run Ubuntu (I can change this 
> before deployment if I have to).  Right now (on my home network, where 
> I'm setting this up temporarily) I am using a network bridge to 
> connect the VM to the outside world.  This is incredibly convenient, 
> but it means that I need two IP addresses. Given that that's not 
> permitted in the final network environment, how do I best send traffic 
> addressed to certain domains to the VM?  It would be great if the 
> solution allowed me to continue to ssh into the VM, too -- I really 
> like being able to do that.
>
> Thanks a million, as always,
> Matt
>
Have you considered IPv6?  You can use a tunnel broker (I use 
http://gogonet.gogo6.com) to get an IPv6 address, even if one would not 
otherwise be available.  I have a /56 subnet* on my home network and get 
a single IPv6 address on my notebook when I'm away from home.  GogoNET 
has clients for Linux, Windows, Mac etc., which can be configured for 
either subnet or single address mode.

* A /56 subnet is about a trillion times the size on the entire, world 
wide, IPv4 internet.



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