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

Assigning an NSG to a subnet

The NSG and its rules must be assigned to a resource to have any impact. Here, you are going to see how to associate an NSG with a subnet.

Getting ready

Before you start, open your browser and go to the Azure portal at https://portal.azure.com. Locate the previously created NSG.

How to do it...

To assign an NSG to a subnet, follow these steps:

  1. In the NSG pane, locate the Subnets option under Settings.
  2. Click on the Associate button at the top of the page and wait for the new pane to open:
    Clicking on the Associate button to assign an NSG to a subnet

    Figure 3.6: Assigning an NSG to a subnet

  3. In the new pane, first select the virtual network that contains the subnet you want to associate the NSG with, and then select the subnet, as seen in Figure 3.7:
    Associating the subset with the NSG

    Figure 3.7: Associating the subset with the NSG

  4. After submitting the change, the subnet will appear in a list of associated subnets:
    Displaying a list of associated subnets

Figure 3.8: A list of associated subnets

How it works...

When an NSG is associated with a...