CDR: RE: FW: BLOCK: AT&T signs bulk hosting contract with spammers

At 08:27 AM 11/6/00 -0500, Tom Vogt wrote:

as a matter of fact, *probing* my machine is nothing I'm worried about.

What's 'probing'? Has some State defined certain TCP ports as 'public' and some as not? Where's the RFC? [Not directed at Tom]