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3.3.6. Firewall (FW）
Detects unauthorized access, such as DoS attacks, and discards the unauthorized access packets. This product
intercepts unauthorized access from the outside by Stateful Packet Inspection (SPI) function. The Stateful Packet
Inspection is a function that dynamically reads data packets that passes the firewall, judges the content, and
opens/closes the port.
User Network
[Detection targets]
・Access packet from WAN port
・LAND attack, Smurf attack, and IP spoofing attack
[Behavior of operation and notification when threat is detected]
Operation during detection
Unauthorized access from outside is
blocked, as well as log output
[How to stop the security function]
Stopping the operation of the security function increases security risk. Therefore, it is the customer's responsibility to
stop the function.
How to stop
Remove the check on "Enable Function" on the Firewall
setup. (Refer to Section 5.8.3)
SA3500G
How to notify during detection
・Log is displayed in the security
log. (It is necessary to view it in
Web setting.)
Remarks
Prevention
How to cancel detection state
－
|Function Specification
Internet
47
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