the advantage of port knocking is that it's a separate line of defence from your... | Hacker News

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		lsc on Sept 5, 2010 \| parent \| context \| favorite \| on: Three locks for your SSH door the advantage of port knocking is that it's a separate line of defence from your ssh server. It'd be damn useful in the case of a remote SSH exploit.

arst on Sept 6, 2010 [–]

Great point - port knocking would have provided a separate line of defense when that horrible Debian/Ubuntu keygen flaw hit a few years back.

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