On Thu, Aug 4, 2016 at 6:27 AM, Subhendu Ghosh <sgh...@redhat.com> wrote:

> Not built into ovirt AFAIK,  but an ebtables rule can allow you to filter
> out mac+ip combinations
>
> Look at the anti-spoofing rules on ebtables.netfilter.org
>
> It doesn't prevent the user adding it in the vm, but the infrastructure
> blocks it's usage.
>
> ------------------------------
> *From:* Bill Bill <jax2...@outlook.com>
> *Sent:* Aug 3, 2016 22:40
> *To:* users@ovirt.org
> *Subject:* [ovirt-users] IP Address Stealing
>
> Hello,
>
>
>
> It is possible to prevent a VM from adding an IP? For example, if we
> provision a VM with one IP, if the user has root access they can simply add
> random IP’s from within the same range as sub interfaces: eth0:0 eth0:1
> eth0:2 so on and so forth.
>
>
>
> Subnetting is not ideal in this situation because it’s a huge waste of IP
> space.
>

In oVirt 4.0, you can choose a vnic libvirt filter from a list (at the vnic
profile settings).
You can check the clean-traffic filter which uses multiple other more
specific filters.
Ref: https://libvirt.org/formatnwfilter.html

Thanks,
Edy.


>
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