[ovs-discuss] iptables and openvswitch

Kurt Bauer kurt.bauer at univie.ac.at
Wed Nov 30 09:25:28 UTC 2011

Hi again,

I rephrase my question or rather broaden it:

How do you do firewalling in conjunction with openvswitch?

*) central firewalling at Dom0. How?
*) central firewalling in front of the Dom0.
*) firewalling per DomU.

Thanks for your help,
best regards,

Kurt Bauer wrote:
> Hi,
> I'm quite new to openvswitch, so if I oversee smth. very obvious please
> dont't be to harsh ;-).
> Till now I used standard linux bridging in my XEN-Environment. Using the
> 'net.bridge.bridge-nf-call-...' Kernel Parameters I was able to firewall
> bridged traffic per XEN-Guest, defining seperate chains per DomU.
> Is smth. similar possible with openvswitch too, ie. having a 'central'
> iptables firewall in XEN Dom0 handling the rules for bridged/switched
> traffic targeting various XEN DomUs?
> Thanks for your help,
> best regards,
> Kurt
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