Please let me know if you need more information, and what suggestions you have for how I should configure CIS Firewall.You will need to enable virtualization in your BIOS/UEFI for (e.g. I am willing to make any changes necessary to make this work. So, if possible, I would like to set CIS Firewall to protect the tower host machine from threats on the Internet, from machines in my untrusted 192.168.1.x range, and also protect it from the VMs running Parallels in case one of those gets an infection of some sort. I might even be using one ore more of the VMs as servers. What I would like is to configure CIS Firewall to allow both my tower host machine and the virtual machines to function on the Internet. From my understanding, this could allow a network based virus or malware to infect the host machine. The virtual network adapters had to be put into the “Trusted” zone in order for the VMs in Parallels to get any Internet access at all. ZoneAlarm has a crude concept of “Zones.” When putting the virtual network adapters in the “Internet” zone (which it does by default), ZoneAlarm on the tower host would block access back to them from the Internet. The VM operating systems are configured to use DHCP to get their usable IP addresses, so they end up in my 192.168.1.x IP range. I believe Parallels internally uses IP/NAT via one of the virtual adapters to get the VMs to the Internet. When installed, it sets up two virtual network adapters. I have Parallels Desktop for Windows/Linux version 4.0 installed on the tower for virtual machine usage. Subnet mask is currently 255.255.254.0 and gateway is 192.168.0.1, which is my router - a NetGear FVS338. My host machine is an Intel Core 2 Quad tower running Windows 7 Home Premium 64-bit. So, I just installed Comodo CIS Firewall tonight.
Also tried ZoneAlarm, and I’m not sure it can be configured the way I need either. I’ve had McAfee software for quite some time, and their firewall is useless as far as configuration.
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