# Too many times of icmp requests (only 5 packets per second if over 10pkts/sec)
-A PREROUTING -p icmp --icmp-type echo-request -m limit --limit 5/s --limit-burst 10 -j ACCEPT
-A PREROUTING -p icmp --icmp-type echo-request -j LOG_ICMP
# Too many times of icmp requests (only 5 packets per second if over 10pkts/sec)
-A PREROUTING -p icmp --icmp-type echo-request -m limit --limit 5/s --limit-burst 10 -j ACCEPT
-A PREROUTING -p icmp --icmp-type echo-request -j LOG_ICMP