A brief history of scanning

  • Authors:
  • Mark Allman;Vern Paxson;Jeff Terrell

  • Affiliations:
  • International Computer Science Institute, Berkeley, CA;International Computer Science Institute, Berkeley, CA;University of North Carolina Chapel Hill, Chapel Hill, NC

  • Venue:
  • Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
  • Year:
  • 2007

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Abstract

Incessant scanning of hosts by attackers looking for vulnerable servers has become a fact of Internet life. In this paper we present an initial study of the scanning activity observed at one site over the past 12.5 years. We study the onset of scanning in the late 1990s and its evolution in terms of characteristics such as the number of scanners, targets and probing patterns. While our study is preliminary in many ways, it provides the first longitudinal examination of a now ubiquitous Internet phenomenon.