[Gllug] Basic Firewall Policy

[Rev Simon Rumble]

Using one of the many available firewalling scripts should do the
trick.  The basic principle you want is to close off EVERY port you
don't have a really good reason for keeping open.

Then test externally.

-- 
Rev Simon Rumble <simon at rumble.net>
www.rumble.net

 "University politics are vicious precisely because the
  stakes are so small."
- Henry Kissinger
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