#!/usr/sbin/nft -f # # Example nftables configuration for letmein. # flush ruleset table inet filter { chain LETMEIN-INPUT { # This chain will be managed and filled by letmeind. # Do NOT put manual rules here. # Leave this chain empty in this configuration. # letmeind will dynamically insert 'accept' rules here for the leases. } chain INPUT { type filter hook input priority filter; policy drop; iifname lo accept ct state invalid drop ct state related,established accept meta l4proto ipv6-icmp accept meta l4proto icmp accept ip protocol igmp accept # Your static rules here... # Jump to letmein dynamic rules. jump LETMEIN-INPUT reject } chain FORWARD { type filter hook forward priority filter; policy drop; # Your static rules here... reject } chain OUTPUT { type filter hook output priority filter; policy drop; oifname lo accept ct state related,established accept meta l4proto ipv6-icmp accept meta l4proto icmp accept ip protocol igmp accept # Your static rules here... meta l4proto udp accept meta l4proto tcp accept reject } }