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

Configuring a Web Application Firewall (WAF)

WAF is an additional setting for the application gateway. It's used to increase the security of applications behind the application gateway, and it also provides centralized protection.

Getting ready

To enable a WAF, we must set the application gateway to the WAF tier. To do so, we must do the following:

  1. In the Application gateway pane, go to Web application firewall, under Settings. Change the Tier selection from Standard V2 to WAF V2 and select Save:
    Changing Web application firewall tier from Standard V2 to WAF V2

Figure 12.23: Setting the application gateway to the WAF V2 tier

How to do it...

After the application gateway is set to WAF, we can enable and set the firewall rules. To do so, we must do the following:

  1. In the Application gateway pane, go to Web application firewall, under Settings, and enable Firewall status. After we set Firewall status to Enabled, a new set of options will appear:
    Setting Firewall status to Enabled in the Web application firewall pane

    Figure 12.24: Enabling a WAF for our application gateway

  2. We must...