Tag Archives | single packet authorization




fwknop – Port Knocking Tool with Single Packet Authorization

Port Knocking came about in around 2003, but it has various weaknesses. There are plenty of implentations though (some quite advanced). Most of the problems are fixed however by fwknop! fwknop stands for the “FireWall KNock OPerator”, and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a […]

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