Sometimes you need to add an extra protection to password-protected website. This article explains how access to the login page can be restricted after three unsuccessful login attempts. This schema uses visitors IP address to store log attempts in the database and block access to login feature for 30 minutes after third unsuccessful attempt.

This is a simple login script that allows you to login to your website and stay logged in.

Learn how to manage user sessions using cookies

Show your visitors that membership does have its privileges! If you haven't already put the protected membership area of your website into place, that's the first order of business. Pick up some quality subscription software that will streamline the subscription process and manage your membership database.

An authentication system allows certain online material to be accessible only to a select few. This tutorial illustrates the basic construction of an authentication system using PHP.

Its a simple login tutorials, but the script that you will learn is a Big script, through this tutorial you can protect your files. And other cotent from ripping by people.

Welcome, all to the first of a series of articles to implementing your own custom user registration and authentication modules. I strongly suggest you develop this part of your website as a module, otherwise you'll be tied to a particular implementation when you decide to make changes (and trust me - you'll make the changes!!

You can now implement password-protected pages without Telnet access to protected directories in your web site. Then you can use these password protected directories to sell downloadable products or provide premium access to members. In this password protection tutorial, we will explain how to create access authorization using only FTP. This will be helpful to most webmasters who want to create authentication files but who do not have Telnet. Unfortunately, most of the restricted access tutorials assume that the webmaster can use Telnet, which of course, is not true. Now you can sell your software, documents, images or music online. You can easily protect files and directories that require the use of a username and password, and you don’t have to be a computer programmer to do it!

This advanced PHP tutorial will teach you how to create a login system using MySql. It will take you through user registration, user verification and a forgot password feature.

This step-by-step guide presents a free cut-and-paste example code of a username and password login web based system. Developed using PHP, MySQL and JavaScript. Updated to include improved security (PHP HTTP_POST_VARS).