I was looking a coworkers Firebox config and need some guidance. The company is govt subcontractor who was required to meet NIST security compliance. They hired a x-military cyber-security consultant who redefined their network and setup the firebox.
The have approximately 50 user PC's, some printers, CNC devices, cameras, etc. The consultant subnetted the network based on location of devices vs function. (ie, They have printers, CNC devices, and servers in the same subnet) There are approximately 100 devices in the enterprise.
I do not claim to be an expert in subnetting, but this config really confuses me. All the subnets, and VLANs are defined as trusted interfaces. So, what is advantage of the subnet?
My next question is about this DHCP relay. Why is it necessary?
Last question... This policy is named Deny_All, but it looks like an...