The "Secure transfer required" feature is now supported in Azure Storage account. This feature enhances the security of your storage account by enforcing all requests to your account through a secure connection. This feature is disabled by default.
1. In Azure Portal select you Azure Storage account rg1lod12345678n1.
2. Select Configuration, and Secure Transfer required.

Reference:
https://techcommunity.microsoft.com/t5/Azure/quot-Secure-transfer-required-quot-is-available-in-Azure-Storage/m-p/82475