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https://issues.apache.org/jira/browse/CLOUDSTACK-1164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15085630#comment-15085630
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Wido den Hollander commented on CLOUDSTACK-1164:
------------------------------------------------
Recently I've been testing with this and from what I can see now it should be
able to replace the current KVM security grouping.
A simple network filter like this already works fine:
https://gist.github.com/wido/c2d20dcec770973f4e2e
<filter name='network_filter_1' chain='ipv4' priority='-700'>
<uuid>64b80046-9a9d-40c2-8782-ed5878146262</uuid>
<rule action='drop' direction='out' priority='500'>
<mac match='no' srcmacaddr='52:54:00:01:ad:9d'/>
</rule>
<rule action='return' direction='out' priority='500'>
<ip srcipaddr='192.168.100.101'/>
</rule>
<rule action='return' direction='out' priority='501'>
<ip srcipaddr='192.168.100.201'/>
</rule>
<rule action='return' direction='out' priority='502'>
<ip srcipaddr='10.0.0.0' srcipmask='24'/>
</rule>
<rule action='drop' direction='out' priority='1000'/>
<rule action='accept' direction='in' priority='500'>
<icmp/>
</rule>
<rule action='accept' direction='in' priority='500'>
<tcp dstportstart='22'/>
</rule>
<rule action='accept' direction='in' priority='500'>
<tcp dstportstart='80'/>
</rule>
<rule action='accept' direction='in' priority='500'>
<tcp dstportstart='443'/>
</rule>
<rule action='drop' direction='in' priority='1000'>
<all/>
</rule>
</filter>
Something to keep in mind since filters can be reload on the fly just like
security grouping right now.
> Use libvirt for security groups for KVM
> ---------------------------------------
>
> Key: CLOUDSTACK-1164
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1164
> Project: CloudStack
> Issue Type: Wish
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Hypervisor Controller, KVM
> Affects Versions: 4.0.0, 4.1.0
> Reporter: Wido den Hollander
> Labels: kvm, libvirt, security-groups
> Fix For: Future
>
>
> The current implementation for the security groups uses a custom Python
> script which applies iptable and ebtable rules to the hypervisor.
> Libvirt also supports this with network filters:
> http://libvirt.org/formatnwfilter.html
> It might be cleaner to do this via libvirt, but the downside is that a lot of
> functions are only supported by libvirt 0.9.8 and higher.
> This might not be possible at this moment, but it might be worth a shot at a
> later stadium.
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