On Fri, Aug 12, 2016 at 8:17 PM, Bill Bill <jax2...@outlook.com> wrote:
> Cool. It looks like that works. Perhaps it would be good for oVirt to have > a few text fields in the nic properties to enter IP addresses into which > can match the rules being used. For example, when enabling the > clean-traffic filter it appears the VM can only have 1 IP address, even if > another IP is added legitimately, it still only works with the original IP > address. > > > > Something like this: http://i.imgur.com/9BUZRCN.jpg > > > > So essentially, traffic would be blocked on that VM for any other IP space > other than the IP’s entered into the text fields, which then edit/work with > the netfilter rules. The idea would be to click “click to add more” would > add another text field. > That could have been a nice option indeed. Could you please open an RFE on bugzilla so we can consider and manage this? Thanks, Edy. > > > > > > > *From: *Edward Haas <eh...@redhat.com> > *Sent: *Thursday, August 4, 2016 3:47 AM > *To: *Subhendu Ghosh <sgh...@redhat.com> > *Cc: *Bill Bill <jax2...@outlook.com>; users <users@ovirt.org> > *Subject: *Re: [ovirt-users] IP Address Stealing > > > > > 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. > > >> >> _______________________________________________ >> Users mailing list >> Users@ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >> >
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