Stop site-building in production!
Drupal is many things including a powerful site-building tool. Site-building is commonly discouraged on a production site, yet there is nothing that formally prevents you from making site-building or configuration changes that can disrupt your site's development workflow.
Menu Lockdown provides a friendly utility for blocking access to specified paths on specific environments. This helps ensure certain pages, like site-building admin pages, will not be casually accessible when they shouldn't be.