diff --git a/fritzbox.subdomain.conf.sample b/fritzbox.subdomain.conf.sample
new file mode 100644
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+++ b/fritzbox.subdomain.conf.sample
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+## Version 2021/06/30
+# In your router interface under "Home Network > Network > Network Settings > Additional Settings" in the DNS rebind protection  
+# on two separate lines add your domain name and your subdomain + domain name
+#
+# Example:
+# mydomain.com
+# subdomain.mydomain.com
+# 
+# If you have set a LocalDNS like Pi-Hole replace "fritz.box" for $upstream_app with the IP address of your router
+
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+
+    server_name fritzbox.*;
+
+    include /config/nginx/ssl.conf;
+
+    client_max_body_size 0;
+
+    # enable for ldap auth, fill in ldap details in ldap.conf
+    #include /config/nginx/ldap.conf;
+
+    # enable for Authelia
+    #include /config/nginx/authelia-server.conf;
+
+    location / {
+        # enable the next two lines for http auth
+        #auth_basic "Restricted";
+        #auth_basic_user_file /config/nginx/.htpasswd;
+
+        # enable the next two lines for ldap auth
+        #auth_request /auth;
+        #error_page 401 =200 /ldaplogin;
+
+        # enable for Authelia
+        #include /config/nginx/authelia-location.conf;
+
+        include /config/nginx/proxy.conf;
+        include /config/nginx/resolver.conf;
+        set $upstream_app fritz.box;
+        set $upstream_port 80;
+        set $upstream_proto http;
+        proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+
+    }
+}