From 412d9f5cd2e777bd662cc2703879379522a4e6e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan-Jonas=20S=C3=A4mann?= <janjonas@gmail.com>
Date: Mon, 16 Jan 2023 04:02:44 +0100
Subject: [PATCH] Update docs nginx reverse proxy example (#2443)

* Update docs nginx reverse proxy example

According to #817 P3P header is mandatory. Otherwise django CSRF breaks login

* Note P3P header optional

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>
---
 docs/setup.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/setup.md b/docs/setup.md
index c0f1ec114..642da4213 100644
--- a/docs/setup.md
+++ b/docs/setup.md
@@ -881,6 +881,7 @@ http {
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Host $server_name;
+            add_header P3P 'CP=""'; # may not be required in all setups
         }
     }
 }