3Com 3CRWE554G72T User Guide - Page 85

Intrusion Detection Feature, Firewall, Enable, SPI and Anti-DoS firewall protection

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Firewall 85 1 Select Firewall from the main menu, then select the SPI tab to display the SPI screen (Figure 64 and Figure 65): Figure 64 SPI Screen - upper section Figure 65 SPI Screen - lower section Intrusion Detection Feature The Intrusion Detection feature limits access for incoming traffic at the WAN ports. 2 Check the Enable SPI and Anti-DoS firewall protection check box to enable SPI. When this feature is enabled, all incoming packets will be blocked except for those types that you allow in the Stateful Packet Inspection section.

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Firewall
85
1
Select
Firewall
from the main menu, then select the
SPI
tab to display the
SPI screen (
Figure 64
and
Figure 65
):
Figure 64
SPI Screen - upper section
Figure 65
SPI Screen - lower section
Intrusion Detection Feature
The Intrusion Detection feature limits access for incoming traffic at the
WAN ports.
2
Check the
Enable
SPI and Anti-DoS firewall protection
check box to
enable SPI. When this feature is enabled, all incoming packets will be
blocked except for those types that you allow in the Stateful Packet
Inspection section.