diff --git a/admin_manual/configuration_server/reverse_proxy_configuration.rst b/admin_manual/configuration_server/reverse_proxy_configuration.rst
index 1c01826c3..329c68efe 100644
--- a/admin_manual/configuration_server/reverse_proxy_configuration.rst
+++ b/admin_manual/configuration_server/reverse_proxy_configuration.rst
@@ -73,6 +73,12 @@ Traefik
 
 Thanks to `@pauvos <https://github.com/pauvos>`_ for traefik example.
 
+HAProxy
+^^^^^^^
+
+  acl url_discovery path /.well-known/caldav /.well-known/carddav
+  http-request redirect location /remote.php/dav/ code 301 if url_discovery
+
 Example
 -------