Can Program Security Guard allow software downloads from an Intranet but not from the Internet?

Can Program Security Guard allow software downloads from an Intranet but not from the Internet?

A.
Yes

B.
No

C.
Maybe

Explanation:
Exempt Internet Explorer Trusted Zones

By selecting the this option all Internet Explorer trusted zones will be exempt

from PSG file protection. This provides security against attacks from spyware,

trojans and viruses spread by the internet but will enable trusted sites to

create/install software as required. This is particularly useful for setting up

trusts with internal intranets and web based applications.