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An important goal of the 1999 DARPA Intrusion Detection Evaluation was to promote the development of intrusion detection systems that can detect new attacks. This thesis describes UNIX attacks developed for the 1999 DARPA Evaluation. Some attacks were new in 1999 and others were stealthy versions of 1998 User-to-Root attacks designed to evade network-based(More)
Attackers use probing attacks to discover host addresses and services available on each host. Once this information is known, an attacker can then issue a denial-ofservice attack against the network, a host, or a service provided by a host. These attacks prevent access to the attacked part of the network. Until recently, only simple, easily defeated(More)
PURPOSE The cause of choledochal (cystic or fusiform) malformation is not known. A favoured hypothesis suggests that abnormal reflux of activated pancreatic secretions via a common pancreatobiliary channel may initiate mucosal injury and mural weakness leading to bile duct dilatation, at normal intraduct pressures. However, bile duct pressures in both(More)
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