<li>Once you have confirmed that ssh is running on the host machine, insert an iptables rule on the host machine to prevent access to the ssh server from all VM's on the virtual network.</li>

<li>Confirm that your rule works by testing from your VM's</li>

<li>Now insert a rule on the CentOS host that would ACCEPT connections from the centos2 VM only.</li>

<li>Fully test your configuration.</li>