Draytek Vigor2110 Series User Manual page 97

Access Rule
Before you click OK, you have to insert a USB diskette into the USB interface of the Vigor
router. Otherwise, you cannot save the configuration.
Vigor2110 Series User's Guide
It determines the authority for such profile. Any user, who uses
such profile for accessing into USB diskette, must follow the
rule specified here.
File – Check the items (Read, Write and Delete) for such
profile.
Directory –Check the items (List, Create and Remove) for such
profile.
87