From 7c6c92d7edeb121ac043ad562932db462e43e734 Mon Sep 17 00:00:00 2001
From: CallMeR <9463297+callmer@user.noreply.gitee.com>
Date: Wed, 16 Apr 2025 17:03:38 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20TS=20=E9=98=B2=E7=81=AB?=
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---
 src/debian/debian_ts_nftables.conf | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/debian/debian_ts_nftables.conf b/src/debian/debian_ts_nftables.conf
index 4e3dafd..18e675d 100644
--- a/src/debian/debian_ts_nftables.conf
+++ b/src/debian/debian_ts_nftables.conf
@@ -25,7 +25,7 @@ table inet router {
 
     chain input {
         type filter hook input priority filter; policy drop;
-        ct state established,related accept comment "defconf: handle inbound flows"
+        ct state vmap { established : accept, related : accept, invalid : drop } comment "defconf: handle inbound flows"
         iif "lo" accept comment "defconf: accept traffic from loopback"
         ct state new meta l4proto tcp jump syn_flood comment "defconf: rate limit new TCP connections"
         iifname "eth0" jump input_lan comment "defconf: handle LAN IPv4 / IPv6 input traffic"
@@ -73,6 +73,7 @@ table inet router {
     }
 
     chain accept_to_lan {
+        meta nfproto ipv4 oifname "eth0" ct state invalid counter drop comment "defconf: prevent LAN NATv4 leakage"
         oifname "eth0" accept comment "defconf: accept LAN IPv4 / IPv6 traffic"
     }