Read e-book online Active Networks: IFIP-TC6 4th International Working PDF

By Nadia Shalaby, Yitzchak Gottlieb, Mike Wawrzoniak, Larry Peterson (auth.), James Sterbenz, Osamu Takada, Christian Tschudin, Bernhard Plattner (eds.)

ISBN-10: 3540002235

ISBN-13: 9783540002239

ISBN-10: 3540361995

ISBN-13: 9783540361992

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Read or Download Active Networks: IFIP-TC6 4th International Working Conference, IWAN 2002 Zurich, Switzerland, December 4–6, 2002 Proceedings PDF

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Extra resources for Active Networks: IFIP-TC6 4th International Working Conference, IWAN 2002 Zurich, Switzerland, December 4–6, 2002 Proceedings

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29 the remote valve could be replaced with a non-digital circuit to perform the same function. If there is no digital circuitry there is no chance for disruption via cyber means. S. Nuclear Regulator Commission is investigating the use of fieldprogrammable gate arrays (FPGA) for critical controls [6]. Traditionally a Programmable Logic Controller (PLC) or other logic controller is used in the safety systems that protect critical hazards within a plant. The use of digital systems is flexible allowing the mitigation to be updated as the plant changes and hazards are more completely understood.

For these reasons, we treat (1) and (2) as process information. Complicating Process Identification by Replacing Process Information 41 The following describes the process information in detail: Process Control Block (task_struct) The process control block contains information that is effective for process identification including the PID (Process ID), the TGID (Thread Group ID), the executable file name, and the PID of the parent process. In Linux, the process control block is given as task_struct structure, and it is generated for each process or thread.

Because it monitors the execution of kernel code with a VMM, only authorized code can be executed. These methods help to prevent attacks that are difficult for existing methods without a VMM to detect and prevent. 3 Problems with Existing Methods Existing methods cannot use essential services without modifying them. Furthermore, these methods are effective only when they are not themselves attacked. If these methods are themselves attacked by adversaries, a system administrator cannot utilize those services to avoid attack.

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Active Networks: IFIP-TC6 4th International Working Conference, IWAN 2002 Zurich, Switzerland, December 4–6, 2002 Proceedings by Nadia Shalaby, Yitzchak Gottlieb, Mike Wawrzoniak, Larry Peterson (auth.), James Sterbenz, Osamu Takada, Christian Tschudin, Bernhard Plattner (eds.)


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