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PHP: Security Tutorials

 

How to Authenticate Users With Facebook Connect
Posted in PHP > Security by tutorialgrub on Dec 03, 2011

Lately, there’s been quite a fuzz about lazy registration. It turns out that the less the user has to think, the higher the conversion rates are! What a thought! If everybody seems to have a Facebook profile, why not add a one-click user registration? I’ll show you how to do that today.
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Simple XOR Encryption Algorithm
Posted in PHP > Security by tutorialgrub on Nov 21, 2011

XOR Encryption is a simple symmetric cipher in use in many applications where security is not a defined requirement. Exclusive-OR ( XOR ) encryption is almost unbreakable through brute force methods, although it is susceptible to patterns, it requires that both encryptor and decryptor have access to the encryption key, but the encryption algorithm although very simple is nearly unbreakable.
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Integrating Two-Factor Authentication with CodeIgniter
Posted in PHP > Security by tutorialgrub on Oct 26, 2011

With the recent string of high profile break-ins (hacks) at Sony and other companies, it’s time you took a second look at the security of your website. Two-factor authentication is a step in the right direction to securing your website from attackers. In this tutorial, we’ll take a look at implementing this in our CodeIgniter application.
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How to Create a Random Password for Users
Posted in PHP > Security by tutorialgrub on Oct 25, 2011

This tutorial shows you how to create an 8-character random password to send to implement into your user-management system.
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Sanitizing User Input by Whitelisting
Posted in PHP > Security by tutorialgrub on Oct 07, 2011

Learn to sanitize input sent to your web application by recursively applying a white list to your global variables.
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Easy Authentication with CodeIgniter
Posted in PHP > Security by tutorialgrub on Sep 23, 2011

In this in depth “screencast of the week,” I’ll take you through the process of building an authentication system with CodeIgniter. Need to restrict access to certain parts of your website to only those who’ve logged in? This tutorial will teach you how!
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IP Banning
Posted in PHP > Security by tutorialgrub on Sep 05, 2011

Learn how to ban a single IP or multiple IP addresses from accessing your website.
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Uploading & Validating files with PHP
Posted in PHP > Security by tutorialgrub on Aug 21, 2011

An upload script with extensions validation trough mime types! May come in handy next time you start a PHP project where you only want people to upload images!
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Sanitizing User Input by Whitelisting
Posted in PHP > Security by tutorialgrub on Aug 20, 2011

Learn to sanitize input sent to your web application by recursively applying a white list to your global variables.
441 Views | 0 Comments | 0 Votes | 0 FavesShareAdd To FavoritesReport Tutorial
 

PHP Walkthrough & Script: Building an Apache-like Access Control List (ACL)
Posted in PHP > Security by tutorialgrub on Aug 07, 2011

We're going to be constructing an Apache-like, in fact we're going to be emulating the Apache ACL in its entirety. Although you could quite easily use Apache, this allows you to see how it's all done and even extend onto it to allow temporary bans which expire after a certain amount of time - if you were that way inclined.
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