Simple IP Ban is a lightweight ip / user agent ban plugin.
Works as expected and yet so simple to use but unfortunately there is no option to show a certain message to the banned user other than redirect that user to a site of your choice - OR show him a blank page.
The plugin works perfectly, helped me in a situation with a malicious user.
Congratulations to the developer and please keep up the great work.
I was getting pretty pi55ed off with sad people attempting to log in as admin (my site has no user called admin). No security risk but it was stealing my bandwidth. I set up a simple text only redirect page, added a long (and growing) list of IP addresses and .... voilà sorted.