Re: Modify Iptables Rules (virbr0 & virbr1)

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On 08/13/2013 07:23 AM, Laine Stump wrote:
> There hasn't been any substantial change in the iptables rules added by
> libvirt for virtual networks in a long time; 

I guess this is due to the fact that, in the enterprise (oVirt/RHEV),
bridge networking is mainly used over "virtual-networks".

> Sure, that's simple if you're going to start/stop all virtual networks
> together as a group. It's more complicated if you want each network to
> operate independently of the other (i.e. t obe able to start/stop each
> network without affecting the others). Possibly the way to do that would
> be to create separate chains for the allow and block. 

You're right: that's the correct way to handle this (using chains).

> You're welcome to write a patch for it :-)

Yeah I know it's easy to pinpoint a problem... I would have provided a
patch If I were a coder, believe me :)  I guess I can open an
enhancement-request (perhaps for F21) with pseudo-code on how to handle
the different events (something that would be easy for someone familiar
with the code to implement).

With the upcoming snapshot functionality in virt-manager I hope many
end-users start using it more and subsequently the virtual-networks.

Thanks!

-- 
Jorge

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