Smartdefense Categories - D-Link NetDefend DFL-CP310 User Manual

Using SmartDefense
SmartDefense Catego
SmartDefense includes the following
• Denial of Service on page 224
• IP and ICMP on page 229
• TCP on pag 2
e 39
• Port Scan o p
n age 242
• FTP on page 245
• Microsoft Networks on page 249
• IGMP on page 251
• Peer to Peer on page 252
• Instant Messengers on page 254
Denial of Service
De nial of Service (DoS) attacks are aimed at overwhelming the target with
spurious data, to the po
ser vice requests.
This category includes the following atta
• Teardrop on page 224
•
Ping of Death on page 225
• LAND on page 226
• Non-TCP Flooding on page 22
Teardrop
In a Teardrop att ack, the attacker sends two IP fragments, the latter entirely
co ntained within the former. This causes some computers to all
memory and crash.
224
ries
categories:
int where it is no longer able to respo
cks:
7
nd to legitimate
ocate too much
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