> I have to say up front that I agree with MJR.
>
> . . . if the firewall software is implemented below the O/S layer
> . . . then the O/S will never even "see" . . .
Everything except boot-up depends upon the O/S. Nothing is below the "O/S
layer," nor does one speak of such a layer unless one intends "application
layer" and doesn't know an application from an O/S, nor can a single byte be
sent or retrieved over a device (networked or otherwise) unless an O/S is
relied upon, nor can a single access to memory, disk, or what-have-you be
performed by networking code "below the O/S layer," as we so quaintly say,
if there is no O/S involved.
Gentlemen, if this represents your understanding of operating systems and
security, please contribute to alt.brush-sellers, not to firewalls.
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