diff --git a/gestion/gen_confs/firewall_komaz.py b/gestion/gen_confs/firewall_komaz.py
index e08e1c82..91a21b77 100755
--- a/gestion/gen_confs/firewall_komaz.py
+++ b/gestion/gen_confs/firewall_komaz.py
@@ -83,6 +83,7 @@ class firewall_komaz :
                 REJECT pour le reste
     """
     zone_serveur="138.231.136.0/28"
+    vlan_adm="138.231.144.0/28"
     eth_ext = "eth2"
     eth_int = "eth0"
     # Ports ouverts
@@ -236,6 +237,7 @@ class firewall_komaz :
             
         iptables("-A FORWARD -i lo -j ACCEPT")
         iptables("-A FORWARD -p icmp -j ACCEPT")
+        iptables("-A FORWARD -i %s -d %s -j REJECT" % (self.eth_ext, self.vlan_adm))
         iptables("-A FORWARD -i %s -j BLACKLIST_DST" % self.eth_ext )
         iptables("-A FORWARD -o %s -j BLACKLIST_SRC" % self.eth_ext )
         iptables("-A FORWARD -s ! %s -d ! %s -j FILTRE_P2P" % (self.zone_serveur, self.zone_serveur) )