Network threat protection is installed and enabled.
The ports required to browse shared network folders are blocked.
NOTE: There are predefined firewall rules for Microsoft Windows file sharing that can be enabled on an unmanaged Symantec Endpoint Protection 11.0 client. For instructions on enabling those rules, please see the following document:
"Unmanaged Symantec Endpoint Protection 11.0 clients cannot access shared network folders" at the following URL: