WebDAVA: An Administrator-Free Approach To Web File-Sharing

  • Authors:
  • Alexander Levine;Vassilis Prevelakis;John Ioannidis;Sotiris Ioannidis;Angelos D. Keromytis

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • WETICE '03 Proceedings of the Twelfth International Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises
  • Year:
  • 2003

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Abstract

Collaboration over the Internet depends on the abilityof the members of a group to exchange data in a secureyet unobtrusive manner. WebDAVA is a system that allowsusers to define their own access-control policies to networkresources that they control, enabling secure data sharingwithin an enterprise. Our design allows users to selectivelygive fine-grain access to their resources without involvingtheir system administrators. We accomplish this by usingauthorization credentials that define the users' privileges.Our prototype implements a file-sharing service, whereusers maintain sensitive-information folders and can allowothers to access parts of these. Clients interact with theserver over HTTP via a Java applet that transparently handlescredential management. This mechanism allows usersto share information with users not a priori known to thesystem, enabling administrator-free management.This work was supported by DARPA and NSF underContracts F39502-99-1-0512-MOD P0001 and CCR-TC-0208972respectively.