Alto Firewall Simulator [best]: Palo

The VM-Series is a software-based version of Palo Alto’s Next-Generation Firewall (NGFW), offering identical features to the hardware units, such as App-ID, User-ID, and Content-ID. Core Features Full Feature Parity

For engineers building complex multi-vendor networks (Cisco routers acting as PCs, Palo Alto as the firewall), EVE-NG is the ultimate simulator. palo alto firewall simulator