diff --git a/api/serializers.py b/api/serializers.py
index a4fa57bc..6cc020f3 100644
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -552,6 +552,15 @@ class AdherentSerializer(NamespacedHMSerializer):
             'shell': {'view_name': 'shell-detail'}
         }
 
+class HomeCreationSerializer(NamespacedHMSerializer):
+    """Serialize 'users.models.User' minimal infos to create home
+    """
+    uid = serializers.IntegerField(source='uid_number')
+    gid = serializers.IntegerField(source='gid_number')
+
+    class Meta:
+        model = users.User
+        fields = ('pseudo', 'uid', 'gid')
 
 class ServiceUserSerializer(NamespacedHMSerializer):
     """Serialize `users.models.ServiceUser` objects.
@@ -656,7 +665,7 @@ class LocalEmailUsersSerializer(NamespacedHMSerializer):
 class FirewallPortListSerializer(serializers.ModelSerializer):
     class Meta:
         model = machines.OuverturePort
-        fields = ('begin', 'end', 'protocole', 'io')
+        fields = ('begin', 'end', 'protocole', 'io', 'show_port')
 
 class FirewallOuverturePortListSerializer(serializers.ModelSerializer):
     tcp_ports_in = FirewallPortListSerializer(many=True, read_only=True)
@@ -673,7 +682,16 @@ class SubnetPortsOpenSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = machines.IpType
-        fields = ('type', 'domaine_ip_start', 'domaine_ip_stop', 'prefix_v6', 'ouverture_ports')
+        fields = ('type', 'domaine_ip_start', 'domaine_ip_stop', 'complete_prefixv6', 'ouverture_ports')
+
+class InterfacePortsOpenSerializer(serializers.ModelSerializer):
+    port_lists = FirewallOuverturePortListSerializer(read_only=True, many=True)
+    ipv4 = serializers.CharField(source='ipv4.ipv4', read_only=True)
+    ipv6 = Ipv6ListSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = machines.Interface
+        fields = ('port_lists', 'ipv4', 'ipv6')
 
 # DHCP
 
diff --git a/api/urls.py b/api/urls.py
index 3bcaee0e..abc466e1 100644
--- a/api/urls.py
+++ b/api/urls.py
@@ -86,6 +86,7 @@ router.register_viewset(r'topologie/room', views.RoomViewSet)
 router.register(r'topologie/portprofile', views.PortProfileViewSet)
 # USERS
 router.register_viewset(r'users/user', views.UserViewSet)
+router.register_viewset(r'users/homecreation', views.HomeCreationViewSet)
 router.register_viewset(r'users/club', views.ClubViewSet)
 router.register_viewset(r'users/adherent', views.AdherentViewSet)
 router.register_viewset(r'users/serviceuser', views.ServiceUserViewSet)
@@ -103,6 +104,7 @@ router.register_view(r'dhcp/hostmacip', views.HostMacIpView),
 router.register_view(r'localemail/users', views.LocalEmailUsersView),
 # Firewall
 router.register_view(r'firewall/subnet-ports', views.SubnetPortsOpenView),
+router.register_view(r'firewall/interface-ports', views.InterfacePortsOpenView),
 # DNS
 router.register_view(r'dns/zones', views.DNSZonesView),
 router.register_view(r'dns/reverse-zones', views.DNSReverseZonesView),
diff --git a/api/views.py b/api/views.py
index f284abbe..0f6301bc 100644
--- a/api/views.py
+++ b/api/views.py
@@ -418,6 +418,11 @@ class UserViewSet(viewsets.ReadOnlyModelViewSet):
     queryset = users.User.objects.all()
     serializer_class = serializers.UserSerializer
 
+class HomeCreationViewSet(viewsets.ReadOnlyModelViewSet):
+    """Exposes infos of `users.models.Users` objects to create homes.
+    """
+    queryset = users.User.objects.all()
+    serializer_class = serializers.HomeCreationSerializer
 
 class ClubViewSet(viewsets.ReadOnlyModelViewSet):
     """Exposes list and details of `users.models.Club` objects.
@@ -544,6 +549,10 @@ class SubnetPortsOpenView(generics.ListAPIView):
     queryset = machines.IpType.objects.all()
     serializer_class = serializers.SubnetPortsOpenSerializer
 
+class InterfacePortsOpenView(generics.ListAPIView):
+    queryset = machines.Interface.objects.filter(port_lists__isnull=False).distinct()
+    serializer_class = serializers.InterfacePortsOpenSerializer
+
 # DNS
 
 
diff --git a/machines/models.py b/machines/models.py
index cd00203c..139bb7eb 100644
--- a/machines/models.py
+++ b/machines/models.py
@@ -358,6 +358,11 @@ class IpType(RevMixin, AclMixin, models.Model):
         else:
             return None
 
+    @cached_property
+    def complete_prefixv6(self):
+        """Return the complete prefix v6 as cidr"""
+        return str(self.prefix_v6) + "/" + str(self.prefix_v6_length)
+
     def ip_objects(self):
         """ Renvoie tous les objets ipv4 relié à ce type"""
         return IpList.objects.filter(ip_type=self)
diff --git a/users/models.py b/users/models.py
index dc2d106c..20115566 100755
--- a/users/models.py
+++ b/users/models.py
@@ -283,6 +283,11 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         else:
             raise NotImplementedError("Type inconnu")
 
+    @cached_property
+    def gid_number(self):
+        """renvoie le gid par défaut des users"""
+        return int(LDAP['user_gid'])
+
     @cached_property
     def is_class_club(self):
         """ Returns True if the object is a Club (subclassing User) """