NeedLock is a simple yet powerful PHP based website password protection script that specially designed to give you advanced authentication and membership management tool for Web applications.
it’s a Advanced password-management script that will guard your resources against any security violation attempts.In fact, NeedLock is specially designed to protect and manage password protected member only areas of Web applications. It’s very easy to install and operation and also includes powerful membership control and administration, statistics tools, different access levels, backup facilities, multilingual support and so on.
it uses .htaccess and .htpasswd files to restrict users access to documents on a per-directory basis, i.e. set access permissions and password protect your data. These files contain information about resources to be protected and users allowed to access them.