Abstract
Denial-of-service and other malicious attacks have become increasingly prevalent in recent years. A major issue hindering the ability to trace attacks to their sources is the ease of IP address spoofing which conceals the attackers’ identity. Several techniques, generically named IP traceback, have been proposed to enable tracing of IP packets from destination to source despite IP spoofing. In this paper, we propose a Simple, Novel IP Traceback using Compressed Headers (SNITCH) that is based upon Probabilistic Packet Marking (PPM). This technique employs header compression to increase the number of bits available for insertion of traceback information. Simulations performed on empirical data have shown that 100% of the attack paths can be determined with a maximum of 0.43% false positive paths.
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