GFI EndPointSecurity is an application that will give you the granularity of specific port blocking, etc. that you're looking for.
# Media players, including iPods, Creative Zen and others
# USB drives, CompactFlash, memory cards, CDs, floppies & other portable storage devices
# PDAs, BlackBerry handhelds, mobile phone and similar communication devices
# Network cards, laptops and other network connections.
Price Price
25 computers ESEC25 $ 625 250 computers ESEC250 $ 2500
50 computers ESEC50 $ 925 500 computers ESEC500 $ 3750
100 computers ESEC100 $ 1500 More than 500 computers ESEC500+ Contact sales