D-Link DIR-822 User Manual page 97

Section 4 - Configuration
Specify the subnet mask of the remote host allowed to access the GUI.
Mask:
Specify the port over which the remote host will access the GUI.
Public Port:
Choose HTTP, HTTPS, FTP, TELNET, SMB or SSH as the protocol for
Protocol:
remote access.
Click Save when you are done.
D-Link DIR-822 User Manual
Remote Access (cont)
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