diff --git a/common/default.nix b/common/default.nix
index 927d8d9..0fb708b 100644
--- a/common/default.nix
+++ b/common/default.nix
@@ -5,14 +5,17 @@
   pkgs,
   ...
 }: {
+  imports = [./syncthing.nix];
   #nixpkgs.config.permittedInsecurePackages = ["electron-25.9.0" "electron-24.8.6"];
-  networking.hosts = {
-    "192.168.178.35" = ["jellyfin.fritz.box" "grafana.fritz.box"];
-  };
-  environment.systemPackages = with pkgs; [
-    xdg-desktop-portal-hyprland
-    xdg-desktop-portal
-  ];
+  # networking.hosts = {
+  #   "192.168.178.35" = ["jellyfin.fritz.box" "grafana.fritz.box"];
+  # };
+  # environment.systemPackages = with pkgs; [
+  #   xdg-desktop-portal-hyprland
+  #   xdg-desktop-portal
+  # ];
+  networking.firewall.allowedTCPPorts = [8384 22000];
+  networking.firewall.allowedUDPPorts = [22000 21027];
   nix.settings = {
     trusted-users = ["xqtc"];
     substituters = [
diff --git a/common/syncthing.nix b/common/syncthing.nix
new file mode 100644
index 0000000..c44cfc0
--- /dev/null
+++ b/common/syncthing.nix
@@ -0,0 +1,19 @@
+{
+  config,
+  lib,
+  inputs,
+  ...
+}: {
+  services.syncthing = {
+    enable = true;
+    user = "xqtc";
+    dataDir = "/home/xqtc/syncthing";
+    configDir = "${config.services.syncthing.dataDir}/.config/syncthing";
+    settings = {
+      gui = {
+	user = "xqtc";
+	# insecureSkipHostcheck = true;
+      };
+    };
+  };
+}
diff --git a/home/modules/nixvim.nix b/home/modules/nixvim.nix
index 43630cc..f6c9e73 100644
--- a/home/modules/nixvim.nix
+++ b/home/modules/nixvim.nix
@@ -43,7 +43,7 @@
           pylsp.enable = true;
           bashls.enable = true;
           lua-ls.enable = true;
-	  gopls.enable = true;
+          gopls.enable = true;
           nushell.enable = true;
           clangd.enable = true;
           svelte.enable = true;
diff --git a/home/modules/shell.nix b/home/modules/shell.nix
index 47317d1..5adf0b8 100644
--- a/home/modules/shell.nix
+++ b/home/modules/shell.nix
@@ -16,7 +16,7 @@
       shellAliases = {ls = "eza -l --icons --header --git --group-directories-first";};
       extraConfig = "maxfetch";
       configFile = {
-        text = builtins.readFile ../config-files/config.nu; 
+        text = builtins.readFile ../config-files/config.nu;
       };
     };
     carapace.enable = true;
diff --git a/hosts/x86_64-linux/beleth/calibre-web.nix b/hosts/x86_64-linux/beleth/calibre-web.nix
index 9b10a28..812e81e 100644
--- a/hosts/x86_64-linux/beleth/calibre-web.nix
+++ b/hosts/x86_64-linux/beleth/calibre-web.nix
@@ -1,5 +1,8 @@
-{config, lib, ...}:
 {
+  config,
+  lib,
+  ...
+}: {
   services.calibre-web = {
     enable = true;
     options = {
diff --git a/hosts/x86_64-linux/beleth/default.nix b/hosts/x86_64-linux/beleth/default.nix
index 4f1298c..35dac51 100644
--- a/hosts/x86_64-linux/beleth/default.nix
+++ b/hosts/x86_64-linux/beleth/default.nix
@@ -14,32 +14,40 @@ with lib; {
     ./transmission.nix
     ./lanrarari.nix
     ../../gc.nix
+    ../../../common
   ];
 
   services.caddy = {
     enable = true;
     email = "xqtc@tutanota.com";
     configFile = pkgs.writeText "Caddyfile" ''
-      heroin.trade { 
-      	root * /var/www/website/build/
-      	file_server
-      }
-      demos.heroin.trade {
-	root * /var/www/demos/
-	file_server browse
-      }
-      jellyfin.heroin.trade {
-      	reverse_proxy http://127.0.0.1:8096
-      }
-      calibre.heroin.trade {
-	reverse_proxy http://localhost:3000
-      }
-      grafana.heroin.trade {
-	reverse_proxy http://127.0.0.1:2342
+           heroin.trade {
+           	root * /var/www/website/build/
+           	file_server
+           }
+           syncthing.heroin.trade {
+      reverse_proxy http://localhost:8384 {
+	header_up Some-Header "localhost"
       }
+           }
+           demos.heroin.trade {
+      root * /var/www/demos/
+      file_server browse
+           }
+           jellyfin.heroin.trade {
+           	reverse_proxy http://127.0.0.1:8096
+           }
+           calibre.heroin.trade {
+      reverse_proxy http://localhost:3000
+           }
+           grafana.heroin.trade {
+      reverse_proxy http://127.0.0.1:2342
+           }
     '';
   };
 
+  services.syncthing.settings.gui.insecureSkipHostcheck = true;
+
   nix.settings.experimental-features = ["nix-command" "flakes"];
 
   nix.settings = {
@@ -69,6 +77,7 @@ with lib; {
     ];
     openssh.authorizedKeys.keys = [
       # TODO: Add remaining keys from https://meta.sr.ht/~xqrc.keys
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJTLJqIVwnqFO64rnc66d234TFOdFXpDS9fJUA4/f4in xqtc@alastor"
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN7UkcmSVo+SeB5Obevz3mf3UHruYxn0UHUzoOs2gDBy xqtc@asmodeus"
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPf3w5bHAssHthg9SPXVpG4w9v8m16X/0J3bjg08P6EA xqtc@seraphim"
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJYa+LoHGGvu12iBufUcr3GD8tsq4LuJdwLjaDkTr0SL xqtc@lilith"
diff --git a/hosts/x86_64-linux/beleth/lanrarari.nix b/hosts/x86_64-linux/beleth/lanrarari.nix
index f412c5a..b19b1b6 100644
--- a/hosts/x86_64-linux/beleth/lanrarari.nix
+++ b/hosts/x86_64-linux/beleth/lanrarari.nix
@@ -1,4 +1,8 @@
-{config, pkgs, lib, ...}:
 {
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
   services.lanraragi.enable = true;
 }
diff --git a/hosts/x86_64-linux/beleth/transmission.nix b/hosts/x86_64-linux/beleth/transmission.nix
index 212cf79..34f4c24 100644
--- a/hosts/x86_64-linux/beleth/transmission.nix
+++ b/hosts/x86_64-linux/beleth/transmission.nix
@@ -1,5 +1,8 @@
-{config, lib, ...}:
 {
+  config,
+  lib,
+  ...
+}: {
   services.transmission = {
     enable = true;
   };
diff --git a/hosts/x86_64-linux/lilith/default.nix b/hosts/x86_64-linux/lilith/default.nix
index 366d254..82ebc31 100644
--- a/hosts/x86_64-linux/lilith/default.nix
+++ b/hosts/x86_64-linux/lilith/default.nix
@@ -200,7 +200,7 @@
 
   # Open ports in the firewall.
   networking.firewall.allowedTCPPorts = [22 2234 8080 5173];
-  networking.firewall.allowedUDPPorts = [ 2234 ];
+  networking.firewall.allowedUDPPorts = [2234];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;