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use of UDP

Posted by: Anonymous Coward on August 11, 2004 05:49 PM
I thought that the main point of port knocking is
to not reveal whether the machine is switched on,
in which case you don't want to send out an

Is it easy to write a script that receives UDP
packets without revealing whether the machine is
there or not? If it is, then that sounds like a
better solution that port knocking.

Ideally you wouldn't just open the port when the
secret signal is received, as you might get
randomly port-scanned at just that moment.


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