nginx firewall rules only if nginx not localhost

tasks/nginx.yml

@@ -42,7 +42,9 @@
         name: allow_cups_nginx_proxy
         state: present
         rules: '-A OUTPUT -m state --state NEW -p tcp -d {{ cups_nginx_proxy_url.split(":")[0] }} --dport {{ cups_nginx_proxy_url.split(":")[1] }} -j ACCEPT'
-      when: cups_nginx_iptables_enabled
+      when:
+        - cups_nginx_iptables_enabled
+        - not cups_nginx_server == inventory_hostname
   delegate_to: "{{ cups_nginx_server }}"
   become: True
   become_user: root