fwknop
The fwknop Client
fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme called Single Packet Authorization (SPA).
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openSUSE Tumbleweed
openSUSE Leap 16.0
openSUSE Leap 15.6
SLFO 1.2
openSUSE Backports for SLE 15 SP7
SUSE SLE-15-SP1
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The following distributions are not officially supported. Use these packages at your own risk.