diff --git a/api/serializers.py b/api/serializers.py
index 398f2b19..efbe5186 100644
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -638,6 +638,30 @@ class LocalEmailUsersSerializer(NamespacedHMSerializer):
                   'email_address')
 
 
+#Firewall
+
+class FirewallPortListSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = machines.OuverturePort
+        fields = ('begin', 'end', 'protocole', 'io')
+
+class FirewallOuverturePortListSerializer(serializers.ModelSerializer):
+    tcp_ports_in = FirewallPortListSerializer(many=True, read_only=True)
+    udp_ports_in = FirewallPortListSerializer(many=True, read_only=True)
+    tcp_ports_out = FirewallPortListSerializer(many=True, read_only=True)
+    udp_ports_out = FirewallPortListSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = machines.OuverturePortList
+        fields = ('tcp_ports_in', 'udp_ports_in', 'tcp_ports_out', 'udp_ports_out')
+
+class SubnetPortsOpenSerializer(serializers.ModelSerializer):
+    ouverture_ports = FirewallOuverturePortListSerializer(read_only=True)
+
+    class Meta:
+        model = machines.IpType
+        fields = ('type', 'domaine_ip_start', 'domaine_ip_stop', 'prefix_v6', 'ouverture_ports')
+
 # DHCP
 
 
diff --git a/api/urls.py b/api/urls.py
index 7ee36073..37580db2 100644
--- a/api/urls.py
+++ b/api/urls.py
@@ -100,6 +100,8 @@ router.register_viewset(r'services/regen', views.ServiceRegenViewSet, base_name=
 router.register_view(r'dhcp/hostmacip', views.HostMacIpView),
 # LOCAL EMAILS
 router.register_view(r'localemail/users', views.LocalEmailUsersView),
+# Firewall
+router.register_view(r'firewall/subnet-ports', views.SubnetPortsOpenView),
 # DNS
 router.register_view(r'dns/zones', views.DNSZonesView),
 # MAILING
diff --git a/api/views.py b/api/views.py
index ef083edf..715a31ac 100644
--- a/api/views.py
+++ b/api/views.py
@@ -532,6 +532,12 @@ class HostMacIpView(generics.ListAPIView):
     serializer_class = serializers.HostMacIpSerializer
 
 
+#Firewall
+
+class SubnetPortsOpenView(generics.ListAPIView):
+    queryset = machines.IpType.objects.all()
+    serializer_class = serializers.SubnetPortsOpenSerializer
+
 # DNS