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enforce-https

Default Severity: high

Explanation

You can configure your storage account to accept requests from secure connections only by setting the Secure transfer required property for the storage account.

When you require secure transfer, any requests originating from an insecure connection are rejected.

Microsoft recommends that you always require secure transfer for all of your storage accounts.

Possible Impact

Insecure transfer of data into secure accounts could be read if intercepted

Suggested Resolution

Only allow secure connection for transferring data into storage accounts

Insecure Example

The following example will fail the azure-storage-enforce-https check. 

 resource "azurerm_storage_account" "bad_example" {
   name                      = "storageaccountname"
   resource_group_name       = azurerm_resource_group.example.name
   location                  = azurerm_resource_group.example.location
   account_tier              = "Standard"
   account_replication_type  = "GRS"
   enable_https_traffic_only = false
 }

Secure Example

The following example will pass the azure-storage-enforce-https check. 

 resource "azurerm_storage_account" "good_example" {
   name                      = "storageaccountname"
   resource_group_name       = azurerm_resource_group.example.name
   location                  = azurerm_resource_group.example.location
   account_tier              = "Standard"
   account_replication_type  = "GRS"
   enable_https_traffic_only = true
 }