Slackware Current Repository by Conraid ====================================================================== fwknop (Single Packet Authorization and Port Knocking) 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 default-drop packet filter and libpcap. HOME: http://www.cipherdyne.org/fwknop ======================================================================