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D-Link DIR-640L User Manual
Section 4 - Advanced
Checking the box will allow the DIR-640L to respond
to pings. Unchecking the box may provide some extra
security from hackers.
Check this box to enable Stateful Packet Inspection
which will only allow packets from known active
connections and reject all others.
Check this box to prevent the DIR-640L from responding
to port scans from the WAN making it less susceptible
to discovery.
Check the box to allow multicast traffic to pass through
the router from the Internet.
Enable WAN Ping
Respond:
Enable SPI:
Enable Stealth
Mode:
Enable IPV6
Multicast Streams:
Advanced Network Settings
