[sf-lug] firewall/gateway clarification

Rick Moen rick at linuxmafia.com
Sun Aug 19 18:54:03 PDT 2007

Quoting Alex Kleider (a_kleider at yahoo.com):

> What do you mean when you describe IP/port filter rule sets as being
> "orthogonal?"

Independent of.  Existing or not existing, functioning or not
functioning, without regard to.

(See the figurative or, as they say, "derived" sense in the paragraph
about "Statistics, econometrics, and economics".

In the original mathematical context, it means "at right angles to".

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