cluster/apps/game-servers/kustomization.yaml

@@ -2,6 +2,6 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - ./namespace.yaml
-#- ./network_policy.yaml
+- ./network_policy.yaml
 #- ./factorio
 - ./palworld

cluster/apps/game-servers/network_policy.yaml

@@ -25,12 +25,14 @@ spec:
   egress:
   - to:
     - ipBlock:
-        # allow all IPs
+        cidr: 192.168.87.0/24 # server lan
-        cidr: 0.0.0.0/0
+    ports:
-        except:
+    # palworld
-          # except the private IP ranges: https://en.wikipedia.org/wiki/Private_network
+    - protocol: UDP
-          - 10.0.0.0/8
+      port: 8211
-          - 192.168.0.0/16
+    - protocol: UDP
-          - 172.16.0.0/20
+      port: 38211
-    - ipBlock:
+    - protocol: UDP
-        cidr: 192.168.87.250/24 # server
+      port: 25575
+    - protocol: UDP
+      port: 32575

cluster/apps/game-servers/palworld/helm-release.yaml

@@ -53,7 +53,7 @@ spec:
             enabled: true
             primary: true
             port: &game_port 8211
-            nodePort: 32576
+            nodePort: 38211
             protocol: UDP
 
           rcon: