User's Manual Part 1

39D-Link DIR-652 User Manual
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SPI
.!4%NDPOINT&ILTERING
DMZ
SPI (Stateful Packet Inspection, also known as
F[PCOKERCEMGVſNVGTKPIJGNRUVQRTGXGPVE[DGT
attacks by tracking more state per session. It
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session conforms to the protocol.
Select one of the following for TCP and UDP ports:
%NDPOINT )NDEPENDENT  #P[ KPEQOKPI VTCHſE
sent to an open port will be forwarded to the
application that opened the port. The port will
close if idle for 5 minutes.
Address Restricted+PEQOKPIVTCHſEOWUVOCVEJ
the IP address of the outgoing connection.
Address + Port Restriction+PEQOKPIVTCHſEOWUV
match the IP address and port of the outgoing
connection.
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.!4%NDPOINT
&ILTERING
Firewall Settings
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prevent cyber attacks. Sometimes you may want a computer exposed to the outside world for certain types of applications. If you choose
to expose a computer, you cam enable DMZ. DMZ is short for Demilitarized Zone. This option will expose the chosen computer completely
to the outside world.