table ip ipfilter { chain routing { type filter hook forward priority filter; policy accept; icmp type echo-request iif { "enp0s3", "enp0s8" } drop icmp type { echo-reply, echo-request } accept drop } chain system_in { type filter hook input priority filter; policy accept; icmp type echo-request iif { "enp0s3", "enp0s8" } drop } }