WebDav solution via Synology
WIN / IOS
Since I was also facing the problem and did not really get help here, I'll tell you now, how it works under Synology to 100% !!!
Before a small remark: The service on WebDav was really not good of you and constantly to refer to a demo account and then not even a normal WebDav connection over other WebDav programs made to get though everything is running very clearly shows that in the case just did not put your prio! It was