X-Git-Url: https://git.ao2.it/config/nftables.git/blobdiff_plain/ed04a7f82c3cb040cab63414d1d7265b6f508de9..874baf05d48a4c7216edbb6ac4aebaaa0059ad84:/nftables-workstation.nft diff --git a/nftables-workstation.nft b/nftables-workstation.nft index 7261291..c1ffd80 100644 --- a/nftables-workstation.nft +++ b/nftables-workstation.nft @@ -40,10 +40,7 @@ table inet filter { chain input { type filter hook input priority 0 - - ct state established,related accept - ct state invalid drop - ct state new jump in-new + policy drop iif lo accept @@ -66,7 +63,7 @@ table inet filter { packet-too-big } accept - # Allow auto configuration support. + # Allow IPv6 Neighbor Discovery (RFC4861). ip6 nexthdr ipv6-icmp icmpv6 type { nd-router-advert, nd-router-solicit, @@ -91,6 +88,11 @@ table inet filter { # Allow IGMPv3 queries. ip protocol igmp ip daddr 224.0.0.1 accept + # Stateful filtering for anything else. + ct state established,related accept + ct state invalid drop + ct state new jump in-new + # Silently drop other incoming broadcast and multicast traffic. meta pkttype {broadcast, multicast} drop @@ -124,12 +126,16 @@ table inet filter { chain forward { type filter hook forward priority 0 + policy drop + limit rate 3/minute burst 10 packets log prefix "[FORWARD]: " counter reject } chain output { type filter hook output priority 0 + policy drop + counter accept } }