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A comment on Securing your ssh server.

Re:Securing your ssh server by rufugee on Wednesday October 13, 2010 @02:24PM (#1788257)
I use firehol (firehol.sf.net) along with knockd. Combined, it seems to be a rock-solid defense. The firewall will simply drop packets until someone enters the proper knock.
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Re:Securing your ssh server by lancer on Wednesday October 13, 2010 @02:42PM (#1788314)
FireHOL looks like a neat tool, but seeing their last (official) release was in 2008 turned me off. I'm using Shorewall now, and as a plus, it supports ipset (mentioned by rw-).
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