Allied-telesis AT-S63 User Manual Page 206

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Chapter 16: Denial of Service Defense
206 Section II: Advanced Operations
Configuring Denial of Service Defense
To configure the ports on the switch for a Denial of Service attack defense,
perform the following procedure:
1. From the home page, select Configuration.
2. From the Configuration menu, select the Network Security option.
3. Select the DoS tab.
The DoS tab is shown in Figure 72.
Figure 72. DoS Tab (Configuration)
4. If you are implementing the SMURF or Land defense, you must
provide an IP address and mask for your LAN. To do this, complete
the following procedure. Otherwise, skip ahead to Step 5.
a. In the DoS LAN Subnet IP field, enter the IP address of one of the
devices connected to the switch, preferably the lowest IP address.
b. In the DoS Subnet Mask field, enter the LAN’s mask. enter the
mask. A binary “1” indicates the switch should filter on the
corresponding bit of the IP address, while a “0” indicates that it
should not. As an example, assume that the devices connected to
a switch are using the IP address range 149.11.11.1 to
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