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Well clearly, if you *validate* the IP address, it doesn't need to be UTF8.
Probably the config values don't need to be, either.
Again, validating inputs to be sure they are legal values is really important, and in this case will save you a little room in the DB if you do so.
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An optimist sees the glass as half full.
A pessimist sees the glass as half empty.
A realist drinks it no matter how much there is.
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