Basic HTML version of Foils prepared July 6 99

Foil 70 Firewalls (2)

From Security Infrastructure fo Electronic Commerce and Internet CPS714 Computational Science Information Track -- June 2 and June 7 99. by Roman Markowski
What is a firewall ?
  • Hardware and software connecting 2 networks (filters, proxies)
  • mediates all traffic between the nets
  • protects each network from attacks originating on the other
Firewall types
  • packet filters; packet analyzers
  • application level proxies
  • circuit level proxies (SOCKS)
  • hybrid
Firewall characteristics
  • simple, reliable, configurable, manageable, operable

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Page produced by wwwfoil on Tue Jul 6 1999