In Classic mode to configure ICMP Flood Protection for IPv4 version, ICMP Traffic Statistics, ICMPV6 Traffic Statistics and ICMP Flood Protection for IPv6 version, navigate to Network > Firewall > Flood Protection > ICMP page.
This ICMP section allows you to manage the ICMP (Internet Control Message Protocol) or ICMPv6 flood protection and view ICMP or ICMPv6 traffic.