3Com OfficeConnect 3CR858-91 User Manual page 52

52 C 5: R
HAPTER 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 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.
(Figure 32 and Figure 33):