1iptables-translate -t filter -A INPUT -m icmp --icmp-type echo-reply -j ACCEPT 2nft add rule ip filter INPUT icmp type echo-reply counter accept 3 4iptables-translate -t filter -A INPUT -m icmp --icmp-type 3 -j ACCEPT 5nft add rule ip filter INPUT icmp type destination-unreachable counter accept 6 7iptables-translate -t filter -A INPUT -m icmp ! --icmp-type 3 -j ACCEPT 8nft add rule ip filter INPUT icmp type != destination-unreachable counter accept 9 10iptables-translate -t filter -A INPUT -m icmp --icmp-type any -j ACCEPT 11nft add rule ip filter INPUT ip protocol icmp counter accept 12