• CentOS 7
• Minimal install
• Recommend 4 GB for storage with VM's
• CPU's, Memory should be sized based on your requirements.

Clone from the master branch on github. yum install git git clone https://github.com/bulax41/firewall

The setup script will

• Download RPM's
• Set sysctl variable defaults
• Enable/Disable systemctl unit files
• Set an initial iptables rules structure
• Tune selinux policy
• Update Grub for 'eth' style interface names

After setup has run reboot for Grub and systemctl unit file changes to be applied.