diff --git a/backend/templates/_listen.conf b/backend/templates/_listen.conf
index 0bb2d02d..15f0c865 100644
--- a/backend/templates/_listen.conf
+++ b/backend/templates/_listen.conf
@@ -10,11 +10,15 @@
 {% endif %}   
 {% endif %}
 {% if certificate -%}
-  listen 443 ssl{% if http2_support == 1 or http2_support == true %} http2{% endif %};
+{% if enable_proxy_protocol == 1 or enable_proxy_protocol == true%}
+  listen 444 ssl{% if http2_support %} http2{% endif %} proxy_protocol;
 {% if ipv6 -%}
-  listen [::]:443 ssl{% if http2_support == 1 or http2_support == true %} http2{% endif %};
+  listen [::]:444 ssl{% if http2_support %} http2{% endif %} proxy_protocol;
+{% endif %}
 {% else -%}
-  #listen [::]:443;
+  listen 443 ssl{% if http2_support %} http2{% endif %};
+{% if ipv6 -%}
+  listen [::]:443 ssl{% if http2_support %} http2{% endif %};
 {% endif %}
 {% endif %}
 {% endif %}