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Using the Configuration Menu (continued)
Tools > Misc
Block WAN Ping:
Click Enable to block the WAN ping. Computers on the Internet will not get a reply back
from the DI-704UP when it is being “ping”ed. This may help to increase security.
Reboot:
Click Reboot to restart the unit.
SPI Mode:
Stateful Packet Inspection is a form of firewall protection that will inspect all of the pack-
ets transmitted through the DI-704UP. It carefully inspects all incoming packets and if the
packets contain suspicious information, it will automatically drop those packets.
VPN Pass Through:
For users who telecommute or use Virtual Private Network (VPN), you can select PPTP
or IPSec to be used with this router.
UPnP Setting:
Universal Plug and Play is a feature that is preset to allow certain popular applications
such as MSN messenger to be functional using the router without making any configura-
tions. By default, theUPnP Setting is set to enable. It is recommended to keep the UPnP
Setting on enable.
Non-standard FTP port:
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.
Ping Test:
This diagnostic utility can be used to check if a computer is on the Internet. It sends
ping packets and listens for replies from the specific host.