| Publisher | Wuhan University | ||
|---|---|---|---|
| Format | 356.7KB PDF | Date added | 06 Jan 2006 |
| Topics | TCP - IP, Network Security, Denial of Service | ||
| Downloads | 214 | ||
TCP-based flooding attacks are a common form of Distributed Denial-of-Service (DDoS) attacks which abuse network resources and can bring about serious threats to the Internet. Incorporating IP spoofing makes it even more decoct to defend against such attacks. Among different IP spoofing techniques, which include random spoofing, subnet spoofing and fixed spoofing, subnet spoofing is the most difficult type to fight against. This paper propose a simple and efficient method to detect and defend against TCP SYN flooding attacks under different IP spoofing types, including subnet spoofing. The method makes use of a storage-efficient data structure and a change-point detection method to distinguish complete three-way TCP handshakes from incomplete ones.
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