diff --git a/nats/playbook.yml b/nats/playbook.yml
index 77b9d9a..a1f801c 100644
--- a/nats/playbook.yml
+++ b/nats/playbook.yml
@@ -27,5 +27,5 @@
         volumes:
           - "{{ data_location }}:/data"
         published_ports:
-          - "127.0.0.1:4222:4222"
-          - "127.0.0.1:8222:8222"
+          - "4222:4222"
+          - "8222:8222"
diff --git a/prepare-server/playbook.yml b/prepare-server/playbook.yml
old mode 100755
new mode 100644