diff --git a/systems/LoutreOS/configuration.nix b/systems/LoutreOS/configuration.nix
index faff64c..5427b59 100644
--- a/systems/LoutreOS/configuration.nix
+++ b/systems/LoutreOS/configuration.nix
@@ -61,6 +61,8 @@
     lftp
     nix-prefetch-scripts
     smartmontools
+    htop
+    telnet
   ];
 
   nixpkgs.config.allowUnfree = true;
diff --git a/systems/LoutreOS/services.nix b/systems/LoutreOS/services.nix
index 15fd67e..c713999 100644
--- a/systems/LoutreOS/services.nix
+++ b/systems/LoutreOS/services.nix
@@ -10,6 +10,13 @@ let
   pgmanage_port = 52347;
   max_port = 52348;
   musique_port = 52349;
+
+  ekleog_matrix_0_33 = pkgs.fetchgit {
+    url = "https://github.com/Ekleog/nixpkgs.git";
+    rev = "fe1fa933d168faec56767a9bd1daa0d47070bdf0";
+    sha256 = "02nlcs46ijjkwl8i521555gpd0w2if87p9bmdn2s5g728pz8mh27";
+  };
+  ekleog_matrix_0_33_pkgs = import ekleog_matrix_0_33 {};
 in
 
 {
@@ -21,6 +28,8 @@ in
     ../../services/site-max.nix
   ];
 
+  services.fail2ban.enable = true;
+
   services.smartd.enable = true;
   services.smartd.notifications.mail.enable = true;
   services.smartd.notifications.mail.recipient = "paul@nyanlout.re";
@@ -168,6 +177,7 @@ in
   services.postgresql.enable = true;
   services.matrix-synapse = {
     enable = true;
+    package = ekleog_matrix_0_33_pkgs.matrix-synapse;
     enable_registration = true;
     server_name = "nyanlout.re";
     listeners = [
@@ -227,6 +237,11 @@ in
     '';
   };
 
+  systemd.services.matrix-synapse.serviceConfig = {
+    MemoryHigh = "3G";
+    MemoryMax = "4G";
+  };
+
   services.pgmanage.enable = true;
   services.pgmanage.port = pgmanage_port;
   services.pgmanage.connections = {