Creating a new firewall

Azure Firewall gives us total control over our traffic. Besides controlling inbound traffic, with Azure Firewall, we can control outbound traffic as well.

Getting ready

Before we can create an Azure Firewall instance, we must first prepare a subnet.

In order to create a new subnet for Azure Firewall, we must do the following:

1. Locate the virtual network that will be associated with our Azure Firewall.
2. Select the Subnets option under Settings and click Subnet to add a new subnet, as shown in Figure 7.1:
   

   Figure 7.1: Adding a new subnet

3. In the new pane, we must provide values for the Name and Address range fields. It's very important that the subnet is named AzureFirewallSubnet:
   

Figure 7.2: Providing the name and address range of the subnet

How to do it...

In order to create a new Azure Firewall instance using the Azure portal, take the following steps:

1. In the Azure portal, select Create a resource and choose Azure...