[CentOS] Host Machine and Iptables problem

Barry Brimer lists at brimer.org
Tue May 1 06:27:27 UTC 2012


> After that I stopped the Iptables on the Host machine and I lost
> external connectivity on my VM's.
> The only way that I found that VM machine works again is restarting the
> Host Machine. (Start Iptables service again on the Host didn't work)
>
> I'm using CentOS 6.2:  2.6.32-220.7.1.el6.x86_64
> The host's iptables is the default, I didn't add anything.
> Why the Iptables is stopping the connectivity of VM when I stop it?

If you don't have NAT rules in your firewall .. internal VM traffic that 
is not bridged won't get NATed and therefore can't reach the parent 
network.



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