Plugin prevents access to admin area without appropriate access key and adds a higher level of security to your website.
I installed this plugin, then uninstalled it about 5 minutes later when it wouldn't take any password that I entered. There's a pop-up that keeps saying I can only use 4 symbols (characters) and that I should buy the Pro version. Four characters of any sort is a poor password! It should allow 8-15 characters minimum.
very good plugin,
This is a great application I tested it and it works perfect! Now I feel more secure. Thank you!