5.
Click the Edit button.
The previous figure shows a USB device attached to the modem router.
6.
Select the FTP (via internet) check box.
7.
Click the Apply button.
Your settings are saved.
8.
To limit access to the admin user, do the following:
Manage Dynamic DNS and Access Storage Devices Through the Internet
157
AC1200 WiFi VDSL/ADSL Modem Router Model D6220