I dug this UDF out in response to a request in the General Help forum. There is still some tidying to do, but I thought I would post here for anyone that would benefit. All functions have been tested on both XP and Windows 7.   Updated January 22, 2014:  Tested on XP, WIN7 and WIN8.1, x86 and x64 Current version includes: Enable or Disable the Windows Firewall Add or Remove Authorized Applications to the Exclusions list Add or Delete Ports from the Exclusions list. Enable or Disable the