After a few steps you will be able to mount a standard webdav share into your NetBSD box.
Starting xfce4 from XDM in NetBSD
NetBSD default configuration of XDM is a bit buggy. If you want to start xfce4 session, configure your ~/.xsession as normally. Then your login will be rejected, and the system drops you back to the XDM login screen.Fekete Zoltán Sat, 01/21/2017 - 13:34