I use charterpa cable service. Below is part of the reply I recieved when questioning the probes to port 80 going from an avgerage of 4 per day to over 150 a day (not counting probes to other ports).

Thanks for your concern.

Our servers are not vulnerable to the Code Red worm since we do not use NT.
Unfortunately, people probing ports is simply part of being on the Internet. If we were to block the ports you listed, our customers would not be able to surf the web and perform DNS lookups (which your computer does without notifying the user).

I hope this helps to clear things up.

XXXXXXX
Senior Systems Administrator - Charter Business Networks

Yes Senior... clear as mud...

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Si Hoc Legere Scis Nimium Eruditionis Habes.
(translation: If you can read this you're
overeducated)