Fortinet Network Device IPS Manual de usuario descargar pdf (Pagina 46)

FortiGate IPS User Guide Version 3.0 MR7

46 01-30007-0080-20080916

Viewing the DoS sensor list DoS sensors

Viewing the DoS sensor list

To view the anomaly list, go to Intrusion Protection > DoS Sensor.

Figure 12: The DoS sensor list

Configuring DoS sensors

Because an improperly configured DoS sensor can interfere with network traffic,

no DoS sensors are present on a factory default FortiGate unit. You must create

your own and then enable them before they will take effect. Thresholds for newly

created sensors are preset with recommended values that you can adjust to meet

the needs of your network.

To configure DoS sensors, go to Intrusion Protection > DoS Sensor. Select the

Edit icon of an existing DoS sensor, or select Create New to create a new DoS

sensor.

Create New Add a new DoS sensor to the bottom of the list.

ID A unique identifier for each DoS sensor. The ID does not indicate the

sequence in which the sensors examine network traffic.

Status Select to enable the DoS sensor.

Name The DoS sensor name.

Comments An optional description of the DoS sensor.

Delete Delete the DoS sensor.

Edit icon Edit the following information: Action, Severity, and Threshold.

Insert DoS

Sensor before

icon

Create a new DoS sensor before the current sensor.

Move To icon Move the current DoS sensor to another position in the list. After

selecting this icon, enter the destination position in the window that

appears, and select OK.

Note: It is important to know normal and expected network traffic before changing the

default anomaly thresholds. Setting the thresholds too low could cause false positives, and

setting the thresholds too high could allow otherwise avoidable attacks.

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Fortinet Network Device IPS Manual de usuario Pagina 46