diff --git a/adventskalender/.htaccess b/adventskalender/.htaccess
index c431979..ab015f2 100644
--- a/adventskalender/.htaccess
+++ b/adventskalender/.htaccess
@@ -1,7 +1,9 @@
 RewriteEngine On
 
-RewriteCond %{QUERY_STRING} ^dev$ [NC]
-RewriteCond %{REMOTE_ADDR} !^192\.168\.
+# Zugriff auf ?dev nur mit gültigem access-Token erlauben
+RewriteCond %{QUERY_STRING} (^|&)dev($|&) [NC]
+RewriteCond %{QUERY_STRING} !(^|&)access=94d7f13acb9e($|&) [NC]
 RewriteRule ^ - [F]
 
+# Verzeichnisschutz
 Options -Indexes
\ No newline at end of file