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Single Packet Authorization

Posted by: Anonymous [ip: 71.127.157.52] on December 16, 2007 02:18 PM
Many of the limitations of port knocking are addressed by <a href="http://www.cipherdyne.org/fwknop/docs/SPA.html">Single Packet Authorization</a>. Check out the <a href="http://www.cipherdyne.org/fwknop/">fwknop</a> implementation of SPA.

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