Book Image

Azure Networking Cookbook, Second Edition - Second Edition

By : Mustafa Toroman
Book Image

Azure Networking Cookbook, Second Edition - Second Edition

By: Mustafa Toroman

Overview of this book

Azure's networking services enable organizations to manage their networks effectively. With the Azure Networking Cookbook, you’ll see how Azure paves the way for an enterprise to achieve reliable performance and secure connectivity. This updated second edition will take you through the latest networking features in Azure. The book starts with an introduction to Azure networking, covering basics such as creating Azure virtual networks, designing address spaces, and creating subnets. You’ll create and manage network security groups, application security groups, and IP addresses in Azure using easy-to-follow recipes. As you progress through the book, you’ll explore various aspects such as DNS and routing, load balancers, Traffic Manager, and site-to-site, point-to-site, and VNet-to-VNet connections. This cookbook covers all the functions crucial to understanding cloud networking practices and being able to plan, implement, and secure your network infrastructure with Azure. You’ll not only upscale your current environment but also get well-versed with monitoring, diagnosing, and ensuring secure connectivity. The book will help you grasp best practices as you learn how to create a robust environment. By the end of this Azure cookbook, you’ll have gained hands-on experience developing cost-effective solutions that can facilitate efficient connectivity in your organization.
Table of Contents (15 chapters)
14
Index

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:
    Clicking the Add subnet button in the Subnets settings pane

    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:
    Configuring the parameters required to create a new subnet

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...