diff --git a/adventskalender/.htaccess.txt b/adventskalender/.htaccess.txt
index 9a86186..fac0259 100644
--- a/adventskalender/.htaccess.txt
+++ b/adventskalender/.htaccess.txt
@@ -1,5 +1,13 @@
+RewriteEngine On
+
+# ?dev nur intern
+RewriteCond %{QUERY_STRING} ^dev$ [NC]
+RewriteCond %{REMOTE_ADDR} !^192\.168\.
+RewriteRule ^ - [F]
+
+# /dev nur intern
 <FilesMatch "^dev$">
     Require all denied
-    Require ip 192.168.0.0
+    Require ip 192.168.0.0/16
     Require ip 127.0.0.1
 </FilesMatch>
\ No newline at end of file