le setup anonymous a changé
c'est comme ca que ca se passe maintenant
To manage FTP security settings, tick any of the following and click OK:
Change the selected users' root to user home: Click Select User to restrict the selected users’ FTP access
to their home folders only.
Enable Anonymous FTP: Allow anyone to log in to DiskStation's FTP service (with the anonymous or ftp
account). You can also tick Change Anonymous root and select a shared folder to restrict anonymous users’
FTP access to that folder only.
More Information
To configure the privilege of anonymous user:
1 Go to Main Menu > Control Panel > Shared Folder, select a shared folder, and click Privileges Setup.
2 Choose System internal user from the drop-down menu and tick the checkboxes.
3 Click OK.
http://ukdl.synology.com/download/ds/userguide/x11-Series-1742/Syno_UsersGuide_NAServer_enu.pdf
page 68
pour moi c'est validé