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56D-Link DIR-505 User Manual
Section 3 - Router Mode
SPI (Stateful Packet Inspection, also known as dynamic
packet ltering) helps to prevent cyber attacks by tracking
more state per session. It validates that the trac passing
through the session conforms to the protocol.
Enable this feature to protect your network from certain
kinds of “spoong” attacks.
Enable SPI:
Anti-Spoof
Check:
Firewall Settings
Enabling the SPI rewall and anti-spoof checking helps protect against attacks over the Internet. In some cases, you may want
to disable them if you are having problems getting certain applications to work. After making your changes, click the Save
Settings button.