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How to Use Iptables (hugodutka.com)
13 points by hugodutka 757 days ago
1 comments
viraptor 756 days ago
For a full, visual explanation, I'd recommend checking https://stuffphilwrites.com/2014/09/iptables-processing-flow... to see the flowchart for multiple scenarios.
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whoami_nr 756 days ago
Oh my god. This brings back a ton of memories. I was writing a port knocking implementation back in 2016 or so as a side project and I was using this exact flowchart to use iptables for opening/closing ports and routing packets.
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