diff --git a/seafile.subdomain.conf.sample b/seafile.subdomain.conf.sample
index 29ffdbe..256688c 100644
--- a/seafile.subdomain.conf.sample
+++ b/seafile.subdomain.conf.sample
@@ -1,7 +1,6 @@
 ## Version 2021/05/18
 # For use with the official Seafile Docker image (https://download.seafile.com/published/seafile-manual/docker/deploy%20seafile%20with%20docker.md)
 # Requires that the seafile container uses the following env variables:
-#     SEAFILE_SERVER_LETSENCRYPT=true
 #     SEAFILE_SERVER_HOSTNAME=seafile.yourdomain.com
 # Restart or create the seafile container after enabling this subdomain and restarting the letsencrypt contianer
 
@@ -15,12 +14,29 @@ server {
 
     client_max_body_size 0;
 
+    # enable for ldap auth, fill in ldap details in ldap.conf
+    #include /config/nginx/ldap.conf;
+
+    # enable for Authelia
+    #include /config/nginx/authelia-server.conf;
+
     location / {
+        # enable the next two lines for http auth
+        #auth_basic "Restricted";
+        #auth_basic_user_file /config/nginx/.htpasswd;
+
+        # enable the next two lines for ldap auth
+        #auth_request /auth;
+        #error_page 401 =200 /ldaplogin;
+
+        # enable for Authelia
+        #include /config/nginx/authelia-location.conf;
+
         include /config/nginx/proxy.conf;
         include /config/nginx/resolver.conf;
         set $upstream_app seafile;
-        set $upstream_port 443;
-        set $upstream_proto https;
+        set $upstream_port 80;
+        set $upstream_proto http;
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
 
     }