diff --git a/gestion/gen_confs/firewall_komaz.py b/gestion/gen_confs/firewall_komaz.py
index 9b8aeeda..46bed8f8 100755
--- a/gestion/gen_confs/firewall_komaz.py
+++ b/gestion/gen_confs/firewall_komaz.py
@@ -107,6 +107,7 @@ class firewall_komaz(firewall_crans) :
         iptables("-t nat -I PREROUTING 7 -d %s -j ACCEPT" % self.zone_serveur )
         iptables("-t nat -I PREROUTING 8 -s %s -j ACCEPT" % self.zone_serveur )
         iptables("-t nat -I PREROUTING 9 -i %s -j ACCEPT" % self.eth_ext )
+        iptables("-t nat -I PREROUTING 10 -i %s -j TEST_MAC-IP" % self.eth_int )
         print OK
  
     def filter_table_tweaks(self) :