While not on the specific subject of firewalls, I was researching
TEMPEST or electromagnetic eminations and discovered there is very
little on the net (outside of some on wiretapping and some very
interesting white papers from Codex.).
Perhaps if you have any URL's, or other information, you could send
it to me direct so as not clutter up this forum with non-related
It is difficult to say what is impossible for the dream
of yesterday is the reality of tomorrow - Dr. Robert H.