diff --git a/Fail2Ban-Setup.md b/Fail2Ban-Setup.md
index 7cb0a44..9d4dfaf 100644
--- a/Fail2Ban-Setup.md
+++ b/Fail2Ban-Setup.md
@@ -47,6 +47,8 @@ Note: Docker uses the FORWARD chain instead of the default INPUT chain. Therefor
 ```
 action = iptables-allports[name=bitwarden, chain=FORWARD]
 ```
+**NOTE**: 
+Do not use this if you use a reverse proxy before docker container. If proxy, like apache2 or nginx is used, use the ports of the proxy and do not use chain=FORWARD, only when using Docker **without** proxy!
 
 Feel free to change the options as you see fit.