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Re: Port-Knocking vulnerabilities? Jan 22 2008 12:26AM
Michael Rash (mbr cipherdyne org)
On Jan 21, 2008, whip (at) (dot) au [email concealed] wrote:

> > A server that is behind a default-drop packet filter is not
> >_practically_ detectable (say, with an nmap scan). Can you point to a
> > piece of software that can reliably perform the timing differences you
> > are referring to in order to infer th...

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