Hi Jan, So it looks like this is happening to you: This should not be the behavior, and if it is, you've either found a bug in WireGuard or a bug in your own setup. 1) Are you running the latest snapshot of WireGuard? Which one? 2) "but I don’t know for sure… it seems to be a regression somewhere as I don’t recall to have that problem before…" Can you be more precise? 3) If you are running the latest version, does this patch fix it? http://ix.io/z3d 4) Can you confirm that there exists a route from the server back to the client? Thanks, Jason ​