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robbwagoner/iptables-ssh-ratelimit.sh

Created February 21, 2017 15:18
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iptables-ssh-ratelimit.sh
iptables -I INPUT -p tcp --dport 22 -i eth0 -m state --state NEW -m recent --name SSH_RATE_LIMIT --set
iptables -I INPUT -p tcp --dport 22 -i eth0 -m state --state NEW -m recent --name SSH_RATE_LIMIT --update --seconds 60 --hitcount 4 -j DROP
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