This article is from the Firewalls FAQ, by Matt Curtin cmcurtin@interhack.net and Marcus J. Ranum mjr@nfr.com with numerous contributions by others.
Many people have written helpful suggestions and thoughtful commentary.
We're grateful to all contributors. We'd like to thank a few by name:
Keinanen Vesa, Allen Leibowitz, Brent Chapman, Brian Boyle, D. Clyde
Williamson, Paul D. Robertson, Richard Reiner, Humberto Ortiz Zuazaga, and
Theodore Hope.
 
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