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:
   

   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:
   

   Figure 3.7: Associating the subset with the NSG

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

Figure 3.8: A list of associated subnets

How it works...

When an NSG is associated with a...