#!/bin/sh
#
# IPTables connection rate limit
#

# This limits per IP
/sbin/iptables -I INPUT -p tcp --dport 22 -i eth0 -m state --state NEW -m recent --set
/sbin/iptables -I INPUT -p tcp --dport 22 -i eth0 -m state --state NEW -m recent --update --seconds 60 --hitcount 4 -j DROP