diff --git a/apache2/conf.d/nu_server.conf b/apache2/conf.d/nu_server.conf
index d909725d..2710131b 100644
--- a/apache2/conf.d/nu_server.conf
+++ b/apache2/conf.d/nu_server.conf
@@ -12,5 +12,8 @@
         AuthName SMTAuth
         AuthType Basic
         Require valid-user
+
+        # Allow unauthenticated access to /repo/tools/ directory
+        Require expr %{REQUEST_URI} =~ m#^/repo/tools/.*#
     </Directory>
 </IfModule>