diff --git a/machines/kcnhub/configuration.nix b/machines/kcnhub/configuration.nix
index abc2334..4c33354 100644
--- a/machines/kcnhub/configuration.nix
+++ b/machines/kcnhub/configuration.nix
@@ -14,6 +14,8 @@
       ./users.nix
     ];
 
+  networking.firewall.enable = false;
+
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -25,9 +27,9 @@
   # Enable the X11 windowing system.
   services.xserver.enable = true;
 
-  # Enable the GNOME Desktop Environment.
-  services.xserver.displayManager.gdm.enable = true;
-  services.xserver.desktopManager.gnome.enable = true;
+  # Enable KDE Plasma
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.desktopManager.plasma5.enable = true;
 
   # Enable CUPS to print documents.
   services.printing.enable = true;
diff --git a/machines/kcnhub/services/rdp.nix b/machines/kcnhub/services/rdp.nix
index e9b5ef6..140bfcb 100644
--- a/machines/kcnhub/services/rdp.nix
+++ b/machines/kcnhub/services/rdp.nix
@@ -1,7 +1,5 @@
 { config, lib, pkgs, ... }: {
-  services.gnome.gnome-remote-desktop.enable = true;
-  services.xserver.desktopManager.gnome.extraGSettingsOverrides = ''
-    [org.gnome.desktop.remote-desktop.rdp]
-    screen-share-mode='extend'
-  '';
+  services.xrdp.enable = true;
+  services.xrdp.defaultWindowManager = "startplasma-x11";
+  services.xrdp.openFirewall = true;
 }