https://learn.microsoft.com/en-us/azure/virtual-network/ip-services/public-ip-addresses#at-a-glance Azure Firewall
- Dynamic IPv4: No
- Static IPv4: Yes
- Dynamic IPv6: No
- Static IPv6: No
https://learn.microsoft.com/en-us/azure/virtual-network/ip-services/configure-public-ip-firewall Azure Firewall is a cloud-based network security service that protects your Azure Virtual Network resources.
Azure Firewall requires at least one public static IP address to be configured. This IP or set of IPs are used as the external connection point to the firewall. Azure Firewall supports standard SKU public IP addresses.
Basic SKU public IP address and public IP prefixes aren't supported.