diff --git a/lass/1systems/mors.nix b/lass/1systems/mors.nix
index d80665a6b..c8d9465d5 100644
--- a/lass/1systems/mors.nix
+++ b/lass/1systems/mors.nix
@@ -25,6 +25,7 @@ with import <stockholm/lib>;
     ../2configs/repo-sync.nix
     ../2configs/ircd.nix
     ../2configs/logf.nix
+    ../2configs/syncthing.nix
     {
       #risk of rain port
       krebs.iptables.tables.filter.INPUT.rules = [
diff --git a/lass/1systems/prism.nix b/lass/1systems/prism.nix
index 9c17c4433..41a909f16 100644
--- a/lass/1systems/prism.nix
+++ b/lass/1systems/prism.nix
@@ -46,6 +46,7 @@ in {
     ../2configs/monitoring/server.nix
     ../2configs/monitoring/monit-alarms.nix
     ../2configs/paste.nix
+    ../2configs/syncthing.nix
     {
       imports = [
         ../2configs/bepasty.nix
diff --git a/lass/2configs/syncthing.nix b/lass/2configs/syncthing.nix
new file mode 100644
index 000000000..cef43d1e6
--- /dev/null
+++ b/lass/2configs/syncthing.nix
@@ -0,0 +1,12 @@
+{ config, pkgs, ... }:
+with import <stockholm/lib>;
+{
+  services.syncthing = {
+    enable = true;
+    useInotify = true;
+  };
+  krebs.iptables.tables.filter.INPUT.rules = [
+    { predicate = "-p tcp --dport 22000"; target = "ACCEPT";}
+    { predicate = "-p udp --dport 21027"; target = "ACCEPT";}
+  ];
+}