PHP User Authentication Scripts

Max's Site Protector is a simple PHP based script which helps you to protect your pages with password. Setting up a password protected page is very easy. You only need to add 1 line of code to all of your pages you want to protect and that's all. You need to login only once and all protected pages will be available for you. The script uses CSS so changing the style is very simple. An example code is attached to the installation package. ...
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PHP Login script enables web page password protection across as many pages as you want. New features in v.1.1.0 include email notification for failed login attempts. Just add ONE line of code for each page you wish to protect. This script is a great way to give your site a strong level of security....
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For those who are first time users of this script, ALS (Advanced Login System) basically locks up private web pages which you do not want the general public to access. However, what sets it apart from other similar login scripts is that it has advanced features such as CAPTCHA images and brute force protection which are more commonly seen in commerical scripts. Nevertheless, even with these advanced features, ALS still remain highly flexible to suit everyone's needs. I hope you would enjoy using this script. For returning users, who have been with me since the second beta release or even the very first beta release, welcome to the third Beta release, which I believe, completely revolutionised the ALS script. New protection methods, more efficient code and greater flexibility awaits you, on top of an even more stable platform...
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Micro Protector is a small PHP script which helps you to protect your pages with password. To create your own password protected page you only need to insert 1 line at the beginning of your page code.

This is a simple PHP / Mysql membership system where your visitors can register and login to a members area. This script uses PHP sessions and only takes a few moments to install on any PHP web hosting account.

Deadlock is a powerful, customizable, fully featured user management system which protects web directories and documents using Apache's htaccess and htpasswd. Deadlock is written in PHP and uses MySQL to store user information. It features email verification and administrator approval capabilities requiring that the administrator approve accounts before they become active. Deadlock supports both basic and digest authentication....
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This class can be used to manage registrations and authenticate users with records in a MySQL database. It can perform several types of operations with registered users of a site. Currently it can create or update registered user records, activate user accounts, reset passwords, authenticate an user and start a login session, and end a login session....
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Micro Password generates password with various length and strength. You can easy edit the allowed characters and minimum and maximum length. It has a nice CSS based interface what you can change it easy.

This fairly simple script requires minimal setup. You can be protecting your pages from non-registered users within minutes. It comes with a forgotten password and email confirmation script to ensure you are not flooded by robots and spammers! Please do not redistribute without my permission....
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i-auth is a simple user authentication script using session variables. Originally i-auth was written to be included into an index page although this can easily be changed by simply changing the links. To restrict access rights for any page to those who have logged in you just need to add a small section of code as shown in the readme file....
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PHP Generic Access Control List (phpGACL) is a PHP/Perl class offering Web developers a simple, yet immensely powerful drop in permission system for their current web based applications.

This program is a demonstration of a simple web page login using a single password and cookies. Very useful for an admin script that only has a few users, or blocking access to a single webpage. You can also logout of the program.

* Secure with support for sessions based and/or cookie based authentication * Tons of configuration option for those who know what they are doing * Passwords are *always* hashed before they are sent over the network * Only salted, hashed passwords are saved in the database * Support for multiple simultaneous sessions or a single active session * Administrator can choose how users are activated after they signup * Password is NEVER sent over the email * User defined access control levels * Easy to add custom attributes * Prevention from XSS attacks * Support for template based HTML email notifications with changeable templates * Emailing done through the excellent PHPMailer with support for SMTP+SSL * Custom redirection after login/logout * Pre-designed forms * Snap in install - Simply drop the folder into your existing application, configure a few site options and database settings, and you are done!...
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Login Session is a simple login script. It supports multiple users, and can be used to protect web pages from unwanted visitors. Users, email addresses, and passwords are stored in a flat file. All sensitive data is encoded with a custom keyed algorithm. To get started, simply upload one file to your web server and add one line of code to your page. 100% Valid XHTML 1.0 Strict coding....
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Authenticator is a PHP class that provides low-level API for users registration, login and credentials management. Most typically, you will integrate registration in admin control panels, credentials management in users profile pages and login functionality in all protected areas across your web application. Features list: # Open or closed registration, via master password; # User role support; # Live authentication (changing session unique id from one request to another); # Password recovery OR reset support; # Hack prevention built-in system: * logs user out when obsolete session id is used; * logs user out if IP address changes from one request to another; * logs user out when session lifetime times out; * auto-locks user on too many failed login attempts; locks are IP-based and can be reset by master. # Easy to configure, via external XML files; # SQL injections proof, thanks to built-in database traffic encoding/decoding mechanism....
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A simple flat file database system that allows you to add a members area to your website. Includes the option to register new users through a user registration form. Simple to set up and even easier to use, best of all no mysql database is needed so it will run just about anywhere, even on a free ISP webhost with limited space....
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Simple PHP Login Script no sql needed. Protect your pages. Define usernames and passwords