D-Link CP310 User Guide - Page 240
SmartDefense Categories, Denial of Service, Teardrop, Port Scan, Peer to Peer, Instant Messengers
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Page 240 highlights
Using SmartDefense SmartDefense Categories SmartDefense includes the following categories: • Denial of Service on page 224 • IP and ICMP on page 229 • TCP on page 239 • Port Scan on page 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 Denial of Service (DoS) attacks are aimed at overwhelming the target with spurious data, to the point where it is no longer able to respond to legitimate service requests. This category includes the following attacks: • Teardrop on page 224 • Ping of Death on page 225 • LAND on page 226 • Non-TCP Flooding on page 227 Teardrop In a Teardrop attack, the attacker sends two IP fragments, the latter entirely contained within the former. This causes some computers to allocate too much memory and crash. 224 D-Link NetDefend firewall User Guide
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