A port scanner is software that can typically be set to analyze a range of
ports on a given IP address or range of addresses. I used to use one fairly
frequently on an enterprise network I administered, looking for things like
unauthorized web & FTP servers, etc. A knowledgeable individual could use
one to scan for open ports on a given network address, to help find
vulnerabilities they can exploit to gain access. As has been posted here
previously, port scanning happens frequently; people will scan ranges of
addresses just snooping around. Most network administrators I know don't
generally view a port scan as a direct assault or precursor to an assault,
but I can see where "those other guys" are getting their knickers in a
twist. They may have noticed an increase in the frequency of scans lately
(which would be a big-time attention grabber), or (much more likely), they
only recently ever bothered to watch for port scans, saw some, and flipped
out. Oh, and by the way... it's usually pretty trivial to determine the
source of a port scan, unless the person doing the scanning actually knows
what they are doing. That's not usually the case these days, though.
> -----Original Message-----
> From: Kola Oyedeji [mailto:[EMAIL PROTECTED]]
> Sent: Monday, November 06, 2000 7:18 AM
> To: Fusebox
> Subject: RE: (Admin) Stop!!!
>
>
> for us newbies ..
>
> what exactly are port scans anyway.?
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