#!/usr/bin/nft -f destroy table inet filter; table inet filter { chain input { type filter hook input priority filter; policy drop; ct state invalid counter drop ct state {established, related} counter accept iif "lo" counter accept ip protocol {icmp,icmpv6} counter accept counter meta nftrace set 1 comment "dropped" } chain forward { type filter hook forward priority filter; policy drop; counter meta nftrace set 1 comment "dropped" } chain output { type filter hook output priority filter; policy accept; counter comment "accepted" } }