An identification method of PCs behind NAT router with proxy authentication on HTTP communication

Yoshiki Ishikawa, Nariyoshi Yamai, Kiyohiko Okayama, Motonori Nakamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

NAT (Network Address Translation) is widely used as a technique that shares a single IP address in several PCs, and is widely used for alleviating the IPv4 address exhaustion and as a security solution. However, when a backbone network has access control function for PCs based on their IP addresses, it can not identify the PCs behind a NAT router since their original IP addresses are hidden by the NAT router. In this research, to solve this problem, we focus on www which is the most popular service of the Internet and propose an identification method of PCs behind a NAT router with proxy authentication. In this method, we modified the proxy server so that it is able to identify PCs by using the field called realm in the authentication header and allocating it uniquely to PCs.

Original languageEnglish
Title of host publicationProceedings - 11th IEEE/IPSJ International Symposium on Applications and the Internet, SAINT 2011
Pages445-450
Number of pages6
DOIs
Publication statusPublished - Sep 26 2011
Event11th IEEE/IPSJ International Symposium on Applications and the Internet, SAINT 2011 - Munich, Bavaria, Germany
Duration: Jul 18 2011Jul 21 2011

Publication series

NameProceedings - 11th IEEE/IPSJ International Symposium on Applications and the Internet, SAINT 2011

Other

Other11th IEEE/IPSJ International Symposium on Applications and the Internet, SAINT 2011
CountryGermany
CityMunich, Bavaria
Period7/18/117/21/11

Keywords

  • NAT
  • cookie
  • proxy server
  • realm

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications

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