Enable lighthouse DNS

config-lighthouse.yaml

@@ -32,11 +32,11 @@ lighthouse:
   am_lighthouse: true
   # serve_dns optionally starts a dns listener that responds to various queries and can even be
   # delegated to for resolution
-  #serve_dns: false
-  #dns:
+  serve_dns: true
+  dns:
     # The DNS host defines the IP to bind the dns listener to. This also allows binding to the nebula node IP.
-    #host: 0.0.0.0
-    #port: 53
+    host: 0.0.0.0
+    port: 53
   # interval is the number of seconds between updates from this node to a lighthouse.
   # during updates, a node sends information about its current IP addresses to each node.
   # interval: 60
@@ -266,9 +266,7 @@ firewall:
       proto: icmp
       host: any
 
-    # Allow tcp/443 from any host with BOTH laptop and home group
-    - port: 443
-      proto: tcp
-      groups:
-        - laptop
-        - home
+    # Allow udp/53 from any nebula host
+    - port: 53
+      proto: udp
+      host: any