Summary

In this chapter, you learned about NSGs, what they are and how to use them, how to create new rules, and how to associate NSGs with a subnet. You also learned how to evaluate NSG rules based on priority. Lastly, you learned about Azure Firewall and Azure Bastion, what they do, and how to configure them via a hands-on demo.

You now know how to secure VNets via an NSG and how to secure resources by using Azure Bastion and Azure Firewall. In the next chapter, you will learn about the various load balancing services available in Azure, how to configure load balancing by using Azure Application Gateway and internal and external load balancers, and finally, how to troubleshoot load balancing.

Note

Remember to delete the resources you created in this chapter to minimize costs. You can do this with the following command, which will conveniently remove the resource group and all the corresponding resources: Remove-AzResourceGroup -Name AZ104-vnetsecurity