Configuring Device Security
Defining DoS Prevention
Cisco Small Business SFE/SGE Managed Switches Administration Guide 126
4
STEP 1 Click Security Suite > DoS Prevention > Martian Addresses. The
Martian
Addresses Page
opens:
Martian Addresses Page
The
Martian Addresses Page
contains the following fields:
• Include Reserved Martian Addresses — Indicates that packets arriving from
Martian addresses are dropped. Enabled is the default value. When enabled,
the following IP addresses are included:
- 0.0.0.0/8 (except 0.0.0.0/32), 127.0.0.0/8
- 192.0.2.0/24 , 224.0.0.0/4
- –
240.0.0.0/4 ( except 255.255.255.255/32)
• IP Address — Displays the IP addresses for which DoS attack is enabled.
• Mask — Displays the Mask for which DoS attack is enabled.
STEP 2 To remove a Martian address, click the entry’s checkbox and click the Delete
button.
STEP 3 Click the Add button. The
Add Martian Addresses Page
opens:
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