FreeFileSync Forum

The "__cfduid" is automatically set by Cloudflare and unrelated to FreeFileSync. Other than that, the update checks serve to provide some general info (read: non-personal) about the recent hardware and os that FFS is used on in order to make informed decisions regarding what systems to support or ...

Note: This post has been edited in response to the response from the creator of FFS. I speculated that they may be tracking "people's usage", with a unique ID. That's not correct.

Here's a hack: Use the Windows firewall to block outgoing TCP/80 connections from the program. (P.S. I just noticed ...