Created
December 10, 2015 07:04
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block brute force ssh login
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| iptables -A SSH -m conntrack --ctstate NEW -m recent --set --name ssh --mask 255.255.255.255 --rsource | |
| iptables -A SSH -m recent --update --seconds 30 --hitcount 6 --name ssh --mask 255.255.255.255 --rsource -j DROP | |
| iptables -A SSH -m recent --update --seconds 15 --hitcount 2 --name ssh --mask 255.255.255.255 --rsource -j DROP | |
| iptables -A SSH -j ACCEPT |
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