| Publisher | Universidade Federal do Rio de Janeiro | ||
|---|---|---|---|
| Format | 105.9KB PDF | Date added | 17 Mar 2005 |
| Topics | IP Technologies, Network Security, Denial of Service | ||
| Downloads | 20 | ||
On most Denial-of-Service (DoS) attacks, packets with spoofed source addresses are employed in order to disguise the true origin of the attacker. A defense strategy is to trace attack packets back to their actual source in order to make the attacker accountable and isolate him from the network. To date, the proposed traceback systems require either large amounts of storage space on router-connected devices or a sufficient number of received attack packets. This paper proposes a new IP traceback system capable of determining the source of every packet received by the victim without storing state in the network infrastructure. For practical purposes, a generalization of the Bloom-filter theory is developed and evaluated. Analytical results are presented to show the efficacy of the proposed system.
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