How to Create And Configure Network Security Groups

What is a Network Security Group? A Network Security Group (NSG) is a set of security rules that allow or deny network traffic to resources such as: . Virtual Machines . Subnets . Network interfaces Scenario: Your organization requires the network traffic in the app-vnet to be tightly controlled. You identify these requirements. . The frontend subnet has web servers that can be accessed from the internet. An application security group (ASG) is required for those servers. The ASG should be associated with any virtual machine interface that is part of the group. This will allow the web servers to be easily managed. . The backend subnet has database servers used by the frontend web servers. A network security group (NSG) is required to control this traffic. The NSG should be associated with any virtual machine interface that will be accessed by the web servers. . For testing, a virtual machine should be installed in the frontend subnet (VM1) and the backend subnet (VM2). The IT group has