From 5be1e2d56d5942634e6477d0f4f81715ff208a2e Mon Sep 17 00:00:00 2001
From: myvesta <38690722+myvesta@users.noreply.github.com>
Date: Mon, 21 Dec 2020 18:40:58 +0100
Subject: [PATCH] Fixing DNS issue in LXC virtualization

---
 bin/v-update-firewall | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/v-update-firewall b/bin/v-update-firewall
index d2d06355e..183522a77 100755
--- a/bin/v-update-firewall
+++ b/bin/v-update-firewall
@@ -60,7 +60,7 @@ echo "$iptables -P INPUT ACCEPT" >> $tmp
 echo "$iptables -F INPUT" >> $tmp
 
 # Enabling stateful support
-if [ "$conntrack" != 'no' ]; then
+if [ "$conntrack" != 'no' ] || grep --quiet container=lxc /proc/1/environ; then
     str="$iptables -A INPUT -m state"
     str="$str --state ESTABLISHED,RELATED -j ACCEPT"
     echo "$str" >> $tmp