Access to Port 445 (SMB) is needed by the inTOUCH app and SPM/PHM to access Azure Blob containers.  

inTOUCH uses it to reference the intouch-firebase-key token

SPM/PHM uses it to upload and download files from various blob containers.

Windows

Open the Run command and type cmd to open the command prompt. Type the command in the image and press Enter.  

It is successful if the resulting screen is blank

iPhone

Download iNetTools Free app and use the PortScan option

Enter the sever name such as   inclouddemo.file.core.windows.net  and the port name of 445 
Protocols and slashes are not needed.  The above address can be used for the test