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Single Packet Authorization (Linux Journal)

Posted Mar 6, 2007 7:54 UTC (Tue) by amando (guest, #36597)
Parent article: Single Packet Authorization (Linux Journal)

This looks very much like doorman
http://doorman.sourceforge.net/

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Posted Apr 14, 2007 17:47 UTC (Sat) by mrash (guest, #44663) [Link]

doorman uses a hashed payload (instead of an encrypted one as used by fwknop), and this results in a significantly different architecture.