Distributed firewall comes with predefined categories for firewall rules. Rules are evaluated top down, and left to right. The category names can be changed using the API.

Table 1. Categories
Ethernet Used for Layer 2 based rules
Emergency Used for quarantine and allow rules
Infrastructure Define access to shared services. Global rules - AD, DNS, NTP, DHCP, Backup, Managment Servers
Environment Rules between zones - production vs development, inter business unit rules
Application Rules between applications, application tiers, or the rules between micro services