nftables-zbf

nftables Zone-based Firewall. Tested with nftables v0.8.2. Comes with 18.04

Currently just a framework. Not to be considered secure!

	Default Permitted Packet Flow

	   +-------+
		   |
		   |
  +----------+     v  +--------+
  |          |                 |
  |          |                 |
  |          +-----------+     v  +-------+
  |          |           |                |
  |          |           |                |
  | Inside / |           +-----------+    v
  |   VPN    |           |           |
  |          |   DMZ     |           |
  |          |           |    IoT    +-----------+
  |          |           |           |           |
  |          |           |           |  Outside  |
  |          |           |           |           |
  +----------------------------------------------+
		    ^                      +
		    |                      |
		    +----------------------+
		       Reverse Proxy dnat