Azure firewall

• Stateful firewall as a service
• Built-in high availability with unrestricted cloud scalability
• Create, enforce, and log application and network connectivity policies
• Threat intelligence-based filtering
• Fully integrated with Azure Monitor for logging and analytics
• Support for hybrid connectivity through deployment behind VPN and ExpressRoute Gateways

Implementing Firewalls

1. Create the network infrastructure.
2. Deploy the firewall.
3. Create a default route.
4. Configure rules.

Note: In production deployments, a Hub and Spoke model is recommended.