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.
The FAQ can be found on the Web at
* http://www.interhack.net/pubs/fwfaq/.
* http://www.ranum.com/pubs/fwfaq/
It's also posted monthly to
* comp.security.firewalls,
* comp.security.unix,
* comp.security.misc,
* comp.answers, and
* news.answers.
Posted versions are archived in all the usual places. Unfortunately, the
version posted to Usenet and archived from that version lack the pretty
pictures and useful hyperlinks found in the web version.
 
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