Web Management
Data
45
IP with zero length, TCP null scan (Port Scan Attack), UDP port
loopback, Snork Attack.
Parameter
Defaults Description
Enable SPI and
Anti-DoS
firewall
protection
Yes
The Intrusion Detection feature of the
Router limits the access of incoming
traffic at the WAN port. When the
Stateful Packet Inspection (SPI) feature
is turned on, all incoming packets are
blocked except those types marked with a
check in the Stateful Packet Inspection
section at the top of the screen.