diff --git a/Docs/ServerConfig/hetzner/Caddyfile b/Docs/ServerConfig/hetzner/Caddyfile
index d1458bfb8..d34713d66 100644
--- a/Docs/ServerConfig/hetzner/Caddyfile
+++ b/Docs/ServerConfig/hetzner/Caddyfile
@@ -46,3 +46,9 @@ mapcomplete.osm.be {
         to http://127.0.0.1:1236
     }
 }
+
+cache.mapcomplete.org {
+    reverse_proxy /summary/* {
+        to http://127.0.0.1:2345
+    }
+}
diff --git a/Docs/ServerConfig/hetzner/hetzner.txt b/Docs/ServerConfig/hetzner/hetzner.txt
index 0dae8e283..d625e1f89 100644
--- a/Docs/ServerConfig/hetzner/hetzner.txt
+++ b/Docs/ServerConfig/hetzner/hetzner.txt
@@ -3,3 +3,10 @@
 This server hosts the studio files and is used for expermintal builds.
 
 For used hosts, see the Caddyfile
+
+
+## Cache forwarding
+
+As the ISP of Nerdlab is a bit picky, we use SSH-port-forwarding on the cache server:
+
+`ssh -R `