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no-public-access

Explanation

Storage container public access should be off. It can be configured for blobs only, containers and blobs or off entirely. The default is off, with no public access.

Explicitly overriding publicAccess to anything other than off should be avoided.

Possible Impact

Data in the storage container could be exposed publicly

Suggested Resolution

Disable public access to storage containers

Insecure Example

The following example will fail the azure-storage-no-public-access check.

resource "azure_storage_container" "bad_example" {
    name                  = "terraform-container-storage"
    container_access_type = "blob"

    properties = {
        "publicAccess" = "blob"
    }
}

Secure Example

The following example will pass the azure-storage-no-public-access check.

resource "azure_storage_container" "good_example" {
    name                  = "terraform-container-storage"
    container_access_type = "blob"

    properties = {
        "publicAccess" = "off"
    }
}