diff --git a/Proxmox/README.md b/Proxmox/README.md
index a78f3fb..e9c6377 100644
--- a/Proxmox/README.md
+++ b/Proxmox/README.md
@@ -70,4 +70,7 @@ iface vmbr100 inet static
 post-up echo 1 > /proc/sys/net/ipv4/ip_forward
 post-up iptables -t nat -A POSTROUTING -s '192.168.100.0/24' -o enp7s0 -j MASQUERADE
 post-down iptables -t nat -D POSTROUTING -s '192.168.100.0/24' -o enp7s0 -j MASQUERADE
+
+post-up   iptables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1
+post-down iptables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1
 ```
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