Re: [Xen-users] XCP Xen Cloud Control System ver 0.3 released!

[Jonathan Tripathy <jonnyt@xxxxxxxxxxx>]

On 25/05/10 20:13, Iustin Pop wrote:
> On Tue, May 25, 2010 at 10:04:26AM -0400, Vern Burke wrote:
>    
> > I only do static IP assignments on the VMs. I have no idea how you'd
> > stop a VM from running a DHCP server from outside the VM (not that I
> > can imagine why anyone would want to do that anyways). The best
> > answer I've found for a lot of shennanigans is a zero tolerance
> > policy in the terms of service (do it and you're gone, period).
> >      
>  From http://en.wikipedia.org/wiki/DHCP: "DHCP uses the same two ports assigned
> by IANA for BOOTP: 67/udp for sending data to the server, and 68/udp for data
> to the client."
>
> You could simply filter packets on port 67/udp towards the VM, so it doesn't
> see the requests, and on port 68/udp from the VM, so it's not able to reply.
>
> regards,
> iustin
>    
If that was the case, woudn't my idea of using:

http://www.standingonthebrink.com/index.php/ipv6-ipv4-and-arp-on-xen-for-vps/

work?

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