It is very simple and easy to use but powerful plugin
Plugin is Very Easy to use!
All you need to do is :
*** Installing the Plugin via Joomla Installer
*** After Installation, Set Parameters via Plugin Back-end
*** You can set / control all via back-end
*** Set up a secret word for your backend url
*** Enable - Disable to login via only selected IP Address
*** Prevent - Block IP Adresses
*** Log to a txt file who tried to login to your backend
*** After completing settings Publish the module
*** For style customizations; there is a css file
*** You can ask for support at community forum when you need help
thanks a lot !!!