It will display a custom ban message when the banned IP, IP range, host name or referrer url that tries to visit you blog. You can also exclude certain IPs from being banned. There will be statistics recorded on how many times they attempt to visit your blog. It allows wildcard matching too.
I spent most of my free time creating, updating, maintaining and supporting these plugins, if you really love my plugins and could spare me a couple of bucks, I will really appreciate it. If not feel free to use it without any obligations.