[ Thanks to Gene Alexander for this link. ]
“I am a Unix / Linux guy writing this article out of
sheer frustration, so if one does not like pointed, accurate
ranting about that Not A Unix OS to which one may be partial, stop
here.“Our company web log, web site, shopping site and forum get hit
by varying degrees with SPAM bots, or in some cases possibly paid
SPAM shills, signing up for accounts, posting “comments” and
sending “track-backs” that aren’t. Even though I have measures in
place to mitigate the problem in all these locations, nothing
completely stops these annoying SPAM-ing jerks. Invariably, when I
trace back the IP addresses of these SPAM attempts with nmap and
check the running OS I see something like this…Running: Microsoft
Windows”