I tested the case again. I used μTorrentPro v.3.5.3. The connection worked fine. Download was 100% successfully completed. For a better understanding, see the pictures below.
Screenshots
http://i63.tinypic.com/2lvdbv5.png
http://i64.tinypic.com/fuw40w.png
http://i67.tinypic.com/28nr08.png