Answer
GFI LanGuard Server, as well as certain 3rd party products that use the GFI LanGuard agent, download program updates as follows:
- The update.exe process connects to http://software.gfi.com/lnsupdate
- The above site gives a referral (302 Found response) redirecting it to http://lnsupdate.gfi.com
- Update.exe connects to http://lnsupdate.gfi.com and requests update files.
- It downloads the wsusscn2.cab file (Microsoft security patches definitions) directly from Microsoft by connecting to http://go.microsoft.com/fwlink/?LinkID=74689 and gets referred to http://download.windowsupdte.com/microsoftupdate/v6/wsusscn2.cab
GFI LanGuard Server, as well as certain 3rd party products that use the GFI LanGuard agent, download Patches directly from vendor sites.