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A survey of the denial of service problem
2001 (English)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Disruption from service caused by network-based Denial of Service attacks is an increasing problem in the Internet today. Starting in 1998, sophisticated tools for distributed Denial of Service attacks have been developed. These tools are used to attack various Internet sites from several compromised hosts simultaneously. A distributed Denial of Service attack can include hundreds of attacking hosts that often reside on diverse networks. The source address is usually faked which makes it difficult to find the attack sources. The magnitude of a distributed Denial of Service attack can overwhelm the victims network or host with reduced or unavailable network connectivity as a result. With current technology it is difficult for a site to prevent becoming a victim. To oppose attacks, traffic shaping functions and various filtering and rate limiting techniques are added. New techniques to trace flows back to their sources are proposed. This report gives an overview of different Denial of Service attacks, including identified problems, proposed solutions, security advises, and a discussion for the future.

Place, publisher, year, edition, pages
Keyword [en]
Technology, Internet, Denial of Service, attacks
Keyword [sv]
URN: urn:nbn:se:ltu:diva-46744ISRN: LTU-HIP-EX--01/60--SELocal ID: 45d3d9d8-bc3a-464a-acb8-7a48f122a94aOAI: diva2:1020059
Subject / course
Student thesis, at least 15 credits
Educational program
Computer Engineering, bachelor's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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