fwknop: fwknop (Single Packet Authorization and Port Knocking)
fwknop:
fwknop: fwknop implements an authorization scheme known as Single Packet
fwknop: Authorization (SPA) for Linux systems running iptables.
fwknop:
fwknop:
fwknop:
fwknop:
fwknop:
fwknop: Home: http://www.cipherdyne.org/fwknop/
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