On 6/2/19 10:02 PM, Joshua Kramer wrote:
Nakta wrote:
libvirts nwfilter module can achieve that.
I read over those resources and I did what I thought would be correct,
but it's not having any effect.
I created a new nwfilter like this:
<filter name='allow-virbr2-vpn' chain='ipv4' priority='-700'>
<rule action='accept' direction='in' priority='500'>
<all state='ESTABLISHED'/>
</rule>
<rule action='accept' direction='out' priority='500'>
<all state='ESTABLISHED,RELATED'/>
</rule>
<rule action='accept' direction='in' priority='100'>
<ip dstipaddr='192.168.8.0' dstipmask='24'/>
</rule>
<rule action='accept' direction='out' priority='100'>
<ip srcipaddr='192.168.8.0' srcipmask='24'/>
</rule>
<rule action='drop' direction='inout' priority='500'>
<all/>
</rule>
</filter>
I then associated that filter with the Interface device on the VM
server within KVM... and shutdown/restart that VM.
<interface type='network'>
<mac address='XX:XX:XX:XX:XX:XX'/>
<source network='locservers'/>
<model type='virtio'/>
<filterref filter='allow-virbr2-vpn'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</interface>
After this, nothing happens. I did 'ebtables --list', and the new
rules aren't there.
Try "ebtables -t nat -L", although as I said in the other message I just
posted, it's not going to do what you need anyway, because these rules
will be applied *in addition to* the network's iptables rules, not
*instead of*.
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