I am using a VPN but just now used the GRC Shields Up test - https://www.grc.com/x/ne.dll?bh0bkyd2 which produces a report on how invisible your computer is.
Results:
This ShieldsUP! web server has been permitted to connect to your computer's highly insecure NetBIOS File and Printer Sharing...
Archived from groups: microsoft.public.pocketpc (More info?)
There was a program I had that was able to mount network shares, so I could
open my mp3's over the network, and listen to them.
Anyone remember what it was.