I like that it's easy to use and get started with. I also like that it has multiple options for users (admin or standard user). I dislike that there is not much documentation about how to configure this properly. There are some examples in the settings but they aren't very specific and don't really show all the options available.
Also, if you're looking to protect against a large amount of attacks, you'll need to pay close attention to what the service does and doesn't block. Make sure you…