diff --git a/containers/vsftpd.nix b/containers/vsftpd.nix
index 02fab55..77fceae 100644
--- a/containers/vsftpd.nix
+++ b/containers/vsftpd.nix
@@ -5,9 +5,6 @@
     config =
       { config, pkgs, ... }:
       {
-        nixpkgs.overlays = [
-          (import ../overlays/vsftpd.nix)
-        ];
         services.vsftpd = {
           enable = true;
           forceLocalLoginsSSL = true;
diff --git a/overlays/riot-web.nix b/overlays/riot-web.nix
index 74539b1..c92dfa5 100644
--- a/overlays/riot-web.nix
+++ b/overlays/riot-web.nix
@@ -6,7 +6,11 @@ self: super:
         "default_hs_url": "https://matrix.nyanlout.re",
         "default_is_url": "https://vector.im",
         "brand": "Nyanloutre",
-        "default_theme": "dark"
+        "default_theme": "dark",
+        "integrations_ui_url": "https://dimension.t2bot.io/riot",
+        "integrations_rest_url": "https://dimension.t2bot.io/api/v1/scalar",
+        "integrations_widgets_urls": ["https://dimension.t2bot.io/widgets"],
+        "integrations_jitsi_widget_url": "https://dimension.t2bot.io/widgets/jitsi"
       }
     '';
   };
diff --git a/overlays/vsftpd.nix b/overlays/vsftpd.nix
deleted file mode 100644
index 9475490..0000000
--- a/overlays/vsftpd.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-self: super:
-{
-  vsftpd = super.vsftpd.override {
-    sslEnable = true;
-  };
-} 
diff --git a/services/auto-pr.nix b/services/auto-pr.nix
index 0ac765c..228f7a9 100644
--- a/services/auto-pr.nix
+++ b/services/auto-pr.nix
@@ -27,7 +27,7 @@ in
             ignoreCollisions = true;
           };
         in "${pkgs.writeShellScriptBin "run.sh" ''
-          ${env}/bin/python ${pkgs.writeScript "pr-autobot.py" "${readFile ./pr-autobot.py}"} --private-key /var/lib/auto-pr-bot/private-key.pem --app-id 19565 --installation-id 407088 --repo nyanloutre/nixpkgs --cache-dir /var/cache/auto-pr-bot
+          ${env}/bin/python ${pkgs.writeScript "pr-autobot.py" "${readFile ./pr-autobot.py}"} --private-key /var/lib/auto-pr-bot/private-key.pem --app-id 19565 --installation-id 407088 --repo nyanloutre/nixpkgs --cache-dir /var/cache/auto-pr-bot --version 19.03
         ''}/bin/run.sh";
       };
     };
diff --git a/services/pr-autobot.py b/services/pr-autobot.py
index a1ad4b1..c97a2c9 100755
--- a/services/pr-autobot.py
+++ b/services/pr-autobot.py
@@ -11,9 +11,10 @@ parser.add_argument('--app-id')
 parser.add_argument('--installation-id')
 parser.add_argument('--repo')
 parser.add_argument('--cache-dir')
+parser.add_argument('--version')
 args = vars(parser.parse_args())
 
-channel_req = urllib.request.Request(url='https://nixos.org/channels/nixos-18.09/git-revision')
+channel_req = urllib.request.Request(url='https://nixos.org/channels/nixos-' + args["version"] + '/git-revision')
 latest_commit = urllib.request.urlopen(channel_req).read().decode('utf-8')
 try:
     previous_commit = open(args['cache_dir'] + '/git-revision', 'r').read()
@@ -57,7 +58,7 @@ if latest_commit != previous_commit:
                     - [ ] Fusionner la branche
                  """)
 
-    pr = repo.create_pull(title=branch, body=pr_message, base='nixos-18.09', head=branch)
+    pr = repo.create_pull(title=branch, body=pr_message, base='nixos-' + args["version"], head=branch)
 
     print("Pull request numéro " + str(pr.number) + " créée")
     print("URL : " + pr.html_url)
diff --git a/systems/LoutreOS/configuration.nix b/systems/LoutreOS/configuration.nix
index 6415262..a6d4124 100644
--- a/systems/LoutreOS/configuration.nix
+++ b/systems/LoutreOS/configuration.nix
@@ -5,7 +5,7 @@
 { config, pkgs, ... }:
 
 let
-  gitRev = "afca3f977175280668aaed92112eb42a171510d2";
+  gitRev = "91cb80e4397d55b19b0beba3fa3846f1a02d0342";
   nixpkgs = fetchTarball "https://github.com/nyanloutre/nixpkgs/archive/${gitRev}.tar.gz";
 in
 {
@@ -42,20 +42,13 @@ in
 
   # eno1 -> VLAN100 -> Internet
   # eno2 -> LAN
-  # eno3 -> accès serveur
-  # eno4 -> Wifi ?
+  # eno3 -> Legacy client DHCP
+  # eno4 -> Pas utilisé
 
   networking = {
     hostName = "loutreos"; # Define your hostname.
     hostId = "7e66e347";
 
-    # firewall.trustedInterfaces = [ "eno3" ];
-    # interface.eno3 = {
-    #   ipv4.addresses = [
-    #     { address = "10.30.0.5"; prefixLength = 24; }
-    #   ];
-    # };
-
     vlans.bouyges = {
       id = 100;
       interface = "eno1";
@@ -76,32 +69,10 @@ in
     # NAT bouyges <-> eno2
     nat = {
       enable = true;
-      externalInterface = "bouyges";
+      # À remplacer par bouyges
+      externalInterface = "eno3";
       # Permet d'utiliser le SNAT plus rapide au lieu de MASQUERADE
       # externalIP = "0.0.0.0";
-      forwardPorts = [
-        # FTP
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 20; }
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 21; }
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = "64000:65535"; }
-        # SSH
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 22; }
-        # Mails
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 25; }
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 143; }
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 587; }
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 4190; }
-        # HAProxy
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 80; }
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 443; }
-        # Matrix
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 8448; }
-        # Syncthing
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 22000; }
-        # Transmission
-        { destination = "10.30.0.5"; proto = "tcp"; sourcePort = 51413; }
-        { destination = "10.30.0.5"; proto = "udp"; sourcePort = 51413; }
-      ];
       internalIPs = [ "10.30.0.0/16" ];
       internalInterfaces = [ "eno2" ];
     };