Filtering Postures: Local Enforcement for Global Policies

  title={Filtering Postures: Local Enforcement for Global Policies},
  author={Joshua D. Guttman},
  booktitle={IEEE Symposium on Security and Privacy},
When packet filtering is used as a security mechanism, different routers may need to cooperate to enforce the desired security policy. It is difficult to ensure that they wil l do so correctly. We introduce a simple language for expressing global network access control policies of a kind that filtering routers are capable of enforcing. We then introduce an algorithm that, given the network topology, will compute a set of filters for the individual routers; these filters are guara nteed to… CONTINUE READING
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Filtering postures : Local enforcement for global policies

  • R. A. Kelsey, J. A. Rees, P. Hudak, J. Philbin, N. I. Adams
  • NCSA firewall policy guide
  • 1996

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