Plugin allow admin to add notice for customer to blacklist them. Once on edit order page if admin adds blacklist notice, plugin will display notice to all past and future order of that customer.
This plugin will block all unauthorized and irrelevant requests through query strings by redirecting them to an appropriate error page instead of generating identical results for it.
NoFollow Free removes the "nofollow" tag from your Wordpress blog's comments with a lot of custom options and provides the option to insert a "NoFollow Free" band at the top of your blog.