D-Link Share Center Pro 1100 User Manual page 223

Section 3 - Configuration
Step 6:
Click the F button to change FTP services.
Select between Enable (activate) or Disable (deactivate).
Click Apply to continue.
Clicking Disable changes the color of the letter to indicate
that the service has been deactivated.
D-Link ShareCenter Pro 1100-04 User Manual 217