D-Link Express Ethernetwork DI-704P Manual page 31

Using the Configuration Menu
Tools > Misc
Restart Device-
Block WAN Ping-
Non-standard
FTP port-
Click reboot to restart the unit.
Click Enable to block the WAN ping. Computers on the Internet
will not get a reply back from the DI-704P when it is being "ping"ed.
This may help to increase security.
If an FTP server you want to access is not using the standard
port 21, then enter in the port number that the FTP server is
using instead.
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