3Com 3CR858-91 User Guide - Page 52

Intrusion Detection Feature,

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52 CHAPTER 5: ROUTER CONFIGURATION To configure SPI information on your Router: 1 Select Firewall from the main menu, then select SPI from the sub-menu to display the SPI screen (Figure 32 and Figure 33): Figure 32 SPI Screen - upper section Figure 33 SPI Screen - lower section Intrusion Detection Feature The Intrusion Detection feature limits access for incoming traffic at the WAN ports. 2 Check the 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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52
C
HAPTER
5: R
OUTER
C
ONFIGURATION
To configure SPI information on your Router:
1
Select
Firewall
from the main menu, then select
SPI
from the sub-menu to
display the SPI screen (
Figure 32
and
Figure 33
):
Figure 32
SPI Screen - upper section
Figure 33
SPI Screen - lower section
Intrusion Detection Feature
The Intrusion Detection feature limits access for incoming traffic at the
WAN ports.
2
Check the
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.