Fix firewall and adjust auth

manifests/firewall.pp

@@ -3,7 +3,7 @@ class puppet_cwsens::firewall{
 
   $mqtt_rule = @("EOT"/L)
     require services
-    service mqtt { tcp/1883 }
+    service mqtt is { tcp/1883 }
     policy ipsum-mqtt chain ipsum-mqtt is
       accept service:mqtt from class:liu-nets
     end policy

manifests/init.pp

@@ -6,9 +6,11 @@ class puppet_cwsens(
 
   $mosquitto_conf = @("EOT"/L)
     per_listener_settings true
+    listener 1883
+    allow_anonymous false
+    password_file /etc/mosquitto/passwd
     max_inflight_messages 0
     sys_interval 2
-    allow_anonymous false
     | EOT
 
   file { '/etc/mosquitto/mosquitto.conf':