List current NSG rule

Terraform
1

I need to list current azure NSG rule before make any changes, how can i list them?

2

you can just use the Azure CLI for that:

az network nsg rule list -g MyResourceGroup --nsg-name MyNsg

and then show the contents of each rule

az network nsg rule show -g MyResourceGroup --nsg-name MyNsg -n MyNsgRule

… or you can use the Azure portal