Limiting network access is an important part of the overall network security plan. For example, we have to limit access to websites and sometimes even the outbound IP addresses and ports that can be accessed. A way to control network access from an Azure subnet is with Azure Firewall.

Using Azure Firewall, we can configure network rules that define source address, destination port, and destination address. Let’s walk through a demo where you’ll set up a network environment, and deploy a firewall using both the Azure Portal and CLI commands.

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