diff --git a/hosts/containers/yggdrasil/default.nix b/hosts/containers/yggdrasil/default.nix
index 5c6d040b..7e63e0bd 100644
--- a/hosts/containers/yggdrasil/default.nix
+++ b/hosts/containers/yggdrasil/default.nix
@@ -4,6 +4,7 @@ let
   yggAddress = "201:4561:bb58:4dac:5f6a:7b23:44f:a5ef";
   yggPrefix = "301:4561:bb58:4dac"; # 301:4561:bb58:4dac::/64
   # taken from the output of "yggdrasilctl getself".
+  port = 46823;
 in {
 
   boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = 1;
@@ -21,6 +22,7 @@ in {
   networking = let host = hostRegistry.hosts.yggdrasil;
   in {
     hostName = "yggdrasil";
+    firewall.enable = false;
     defaultGateway = "172.20.72.6";
     defaultGateway6 = "2a02:8106:208:5281::b:0";
     nameservers = [ "172.20.73.8" ];
@@ -50,6 +52,9 @@ in {
     enable = true;
     persistentKeys = true;
     config = {
+      Listen = [
+        "tcp://[::]:${toString port}"
+      ];
       Peers = [
         # deutschland
         "tcp://45.11.19.26:5001"