User Authentication

This tutorial will teach you how to create a very simple password protection for your web pages.

In this tutorial I will show you how to create a file based login system to register, login and logout users. You can use this method without any database.

In this tutorial I will show you how to generate random passwords that are highly secure and extremely difficult to crack. However you can choose between various complexity/strength and you can set password length as well.

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. Improved and updated Jan 2008.

This is a short tutorial on how to use the sessions (in PHP4) with a user, form-based login. This would be useful for just about any site where you had a "members only" area and wanted to validate the users from a database or anything else. The examples used authorize off of a MySQL database on the same server....
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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!!...
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Welcome. Here we'll discuss how to make a basic authentication system that can be used on a web site, web script, or applications. If a high security environment is required this may not be the right solution for you, but if you're looking for an easy way to add authentication with basic and admin rights seperation you should find this tutorial to be very useful. ...
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Spice up your PHP login forms using Ajax and the Prototype Javascript library.

A user authentication system is required for most large webapps. The login script we will make in this tutorial will be flatfile based, and contain login, register, and logout features.

This script can easily be pasted into any PHP page to protect its contents. The user will only be allowed to visit the page, once the correct username and password is given.

The simple tutorial includes some code which takes the login dataset and insert them inside a table. The dataset can then be matched against the dataset loaded from a login form. The login information is finally stored inside a Session variable.

MD5 + Salt + sha1 + base64_encde Encryption tutorial tips tricks and demos This teaches begginers about encryption in several methods such as MD5 ,Salt , sha1 ,base64_encde also there is a bit help in dencrytion This is very simple tutorial understand as demos and examples are available for each item...
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* 4MemberOnly Template is designed for those who wishes create a web site with the member area quickly and with the least efforts and expenses and to provide access to it through a login. * 4MemberOnly uses HTML, CSS, PHP and MySQL. * 4MemberOnly can integrate with any existing php/mysql websiet easily. ...
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This code will add a piece of random numbers code on the login form and user will have to copy into a text field the process can not be done if the code is wrong and it produce new security code when come back.. this to protect you panel from hacker softwares.....
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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....
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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.

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!...
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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.

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....
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This tutorial describes three methods to authenticate a user. First is by hardcoding the user info in the script. Second, check the user information in the database. Third is by adding image verification in the login form where the user must enter the random numbers displayed in the image....
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