Azure Networking Cookbook

Network Security Groups

Network Security Groups (NSGs) contain sets of rules that allow or deny specific traffic to specific resources or subnets in Azure. An NSG can be associated with either a subnet (applying security rules to all resources associated with the subnet) or a network interface (NIC) (applying security rules only to the VM associated with the NIC).

We will cover the following recipes in this chapter:

• Creating a new NSG in a portal
• Creating a new NSG with PowerShell
• Creating a new allow rule in NSG
• Creating a new deny rule in NSG
• Creating a new NSG rule with PowerShell
• Assigning an NSG to a subnet
• Assigning an NSG to network interface
• Assigning an NSG with PowerShell
• Creating an Application Security Group (ASG)
• Associating ...