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There have been many approaches proposed to detect stepping-stone Intrusion. Besides having the problem of being vulnerable to intruder's time and chaff perturbation, those approaches have high false alarm because they predict an intrusion based on detecting stepping-stone. Being a stepping-stone does not necessarily mean an intrusion because some applications using stepping-stones are legitimate...
Most network intruders tend to use stepping-stones to attack or to invade other hosts to reduce the risks of being discovered. There have been many approaches that were proposed to detect stepping-stone since 1995. One of those approaches proposed by A. Blum detects stepping-stone by checking if the difference between the number of the send packets of an incoming connection and the one of an outgoing...
Traffic metrics at application level are critical for protocol research, abnormity detection, accounting and network operation. There are great challenges to identify packets at application level since dynamic protocol ports and packet encryption are deployed popularly. There are several different methods of traffic identification being proposed in recently research for corresponding applications...
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