No way. We are cloud based, accessible from any device, and have no need or desire to be behind anyone's firewall. The only thing we urge (but do not require) users to download is the WorkingGroupLink mobile app for iPhone, Android or Blackberry. Search for WorkingGroupLink in iTunes, the Play Store, or Blackberry AppWorld.
Keywords / tags: firewall, mobile, app, iTunes, android, blackberry, apple, iphone