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I also limit port 22 or whatever to, say, 3 tries a minute (iptables) just so you don't look like low-hanging fruit

something like this

http://jonsbraindump.blogspot.com/2007/09/iptables-rules-to-...




i just saw this on HN, a SSH blacklist

http://isc.sans.org/diary.html?storyid=7855


I use the ssh blacklist utility and it works pretty well. Although it opens up the IPs after 4 days (default), which I don't really liked, so I pumped that up to 14 days which seems to work nicely.




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