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Allied Telesis AT-S62 User Manual

Page 191

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AT-S62 Management Software Web Browser Interface User’s Guide

Section II: Advanced Operations

191

c. If you are activating the Land defense, in the DoS Uplink Port field

enter the number of the port connected to the device (e.g., DSL
router) that leads outside your network. You can specify only one
uplink port. The default is the highest numbered existing port in the
switch. For example, the default uplink port for an AT-8524M
switch with no installed expansion modules would be Port 24.

5. Click the ports in the switch image where you want to enable or disable

a defense mechanism. A selected port turns white. To deselect a port,
click it again. You can select more than one port at a time.

6. Using the DoS Type list, select the Denial of Service defense you want

to either enable or disable on the ports. Your choices are:

ˆ

Syn Flood attack

ˆ

Smurf attack

ˆ

Land attack

ˆ

Tear drop attack

ˆ

Ping of death attack

ˆ

IP Options

7. Click Modify. To configure all the ports, click Modify All.

The DoS Configuration page opens, as shown in Figure 54.

Figure 54. DoS Configuration Page

8. Adjust the settings as needed. The parameters are described below.

Status
Enables or disables the DoS on the selected ports.

Mirror Port
This option applies to the Land, Tear Drop, Ping of Death, and IP
Options. If enabled, the examined traffic is copied to a mirror port