From c4b289805007c5c43717de9282fa823ba81e8eec Mon Sep 17 00:00:00 2001
From: Peter Bieringer <pb@bieringer.de>
Date: Sun, 12 Apr 2026 21:56:16 +0200
Subject: [PATCH] doc/extension: related to
 https://github.com/Kozea/Radicale/issues/842#issuecomment-4231416018

---
 DOCUMENTATION.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/DOCUMENTATION.md b/DOCUMENTATION.md
index d9b803a2..5276063d 100644
--- a/DOCUMENTATION.md
+++ b/DOCUMENTATION.md
@@ -436,6 +436,10 @@ See also for latest examples: https://github.com/Kozea/Radicale/tree/master/cont
 handle_path /radicale/* {
     uri strip_prefix /radicale
     reverse_proxy localhost:5232 {
+        # replace "HOST" with configured hostname of URL (FQDN) in client
+        header_up Host HOST
+        # replace "PORT" with configured port of URL in client
+        header_up X-Forwarded-Port PORT
     }
 }
 ```