Security--tutorial.jcwcn.com

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Protect your script from hackers: by validating HTTP GET variable names: ON: 2009-05-08 10:57:30; $_GET data is usually passed to the browser to indicate what page or article to load from a Website and may be used to make a query to your MySQL database. You probably already have protected your MySQL database from SQL injection attacks. Let's take an extra step to protect the valuable data your MySQL tables hold. You can prevent users from messing with URL Query Strings by validating validating $_GET data before you execute anything with it.; 22 times | category:

SQL injection attack prevention: protect your script from hackers: ON: 2009-04-19 14:48:51; Anybody that codes a script that accepts user input and inserts data into a sql database must make sure the database's integrity is protected. Is your database safe from SQL injection attacks?; 20 times | category:

5 Helpful Tips for Creating Secure PHP Applications: ON: 2009-03-10 10:02:58; 5 Helpful Tips for Creating Secure PHP Applications; 42 times | category:

Introduction to SQL Injection: ON: 2009-03-10 09:56:11; In this tutorial we look at the issue of SQL injection, how the attackers use it, the problems that can arise and methods of prevention using PHP.; 30 times | category:

PHP Forms and Regular Expressions: ON: 2009-03-10 09:52:44; Have you ever needed to validate input form field from user? I'm sure yes! This tutorial shows you the use of POSIX regular expressions in this task.; 125 times | category:

Basic PHP Security: ON: 2008-08-16 12:39:24; In this tutorial we'll go over some of the areas of PHP that need special attention to make sure your code protects against malicious attempts, from SQL Injection to the underestimated - XSS.; 18 times | category:

How to encrypt user info with php: ON: 2008-08-16 12:37:12; f you run a serious webpage where you save login information for your members to a database it is generally a very good idea to perform some kind of encryption on these password to prevent the information to be shared in case your datebase would be hacked. This tutorial shows you how.; 9 times | category:

PHP/mySQL Simple IP Banning: ON: 2008-08-16 12:33:40; A simple tutorial to show how to ban someone from your site. Easy to build off of.; 29 times | category:

PHP and AJAX - Make a Password Strength Bar that Updates in Real-time: ON: 2008-08-16 12:32:44; This tutorial will show you how to make a very simple feature which will help your users make more secure passwords, in registration forms. After the user types their password, this script will make a request to a PHP page, which will check the password for lowercase letters, uppercase letters, numbers and symbols. Without reloading the page, a bar displaying the strength of the password will be shown to the user.; 73 times | category:

Securing your PHP applications Part 1: ON: 2008-08-16 12:25:36; As long as there are programming languages people will try to hack them, fortunately for us this means we have to have our wits about us when writing applications. In this 2 part article we'll be discussing different ways that hackers try and break into our applications and how we go about protecting our applications from possible harm.; 13 times | category:

CSRF POST Token Protection: ON: 2008-08-16 12:13:06; Well, before I get into details about how to prevent CSRF, lets explain what it is exactly. Cross Site Request Forgery (also known as XSRF, CSRF, and Cross Site Reference Forgery) works by exploiting the trust that a site has for the user; 25 times | category:

Securing your HASH: ON: 2008-08-16 12:12:23; In this tutorial i have tired to show basic tips to secure your hash from intruders. This will atleast keep them on figuring out the actual string. This can be used for generating hash before actual login is performed.; 9 times | category:

PHP Security: Sending an email: ON: 2008-08-16 12:09:44; Using the mail() function without knowing the security flaws it can cause your site to me spammers sensative, and you don't want that! Read how to fix it here.; 12 times | category:

PHP Security: SQL Injection: ON: 2008-08-16 11:54:04; This tutorial will explain SQL Injection. A very common security flaw not much people take serious because its a little bit harder for a cracker to hack; 52 times | category:

PHP Security: GET - include: ON: 2008-08-16 11:53:03; You often find websites with serious but simple to fix security flaws. In this series we will talk about this. This time about GET - include problems.; 91 times | category:

PHP Captcha - Learn How to Make a Captcha in PHP: ON: 2008-08-16 11:47:50; CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart", which simply means that robots/scripts won't be able to submit a form, for example, it could prevent robots/scripts from automatically registering on your site or posting comments; 136 times | category:

Form validation with Captcha image: ON: 2008-08-16 11:46:44; In this tutorial I will show you how to create a captcha image to protect your form submissions; 16 times | category:

PHP Walkthrough & Script: Building an Apache-like Access Control List (ACL): ON: 2008-08-16 11:45:59; 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.; 17 times | category:

Making Secure PHP Applications: ON: 2008-08-16 11:17:32; This tutorial covers SQL injection and various types of user system holes. I wrote this after seeing many, many scripts (some on high traffic sites) where the systems had these holes.; 23 times | category:

Why you should not rely entirely on an IP: ON: 2008-08-16 11:05:34; Filtering users by their IP address may seem like a good idea when you're beginning PHP, even coders that should know better have been caught giving too much trust to an IP. I remember the first PHP project I did, entitled rMetal - which was a website dedicated to various bands from the metal genre in my younger days, I didn't know about sessions and I didn't care to read up, either. As a consequence my system's login was constructed by if your IP address is the same as the one in the database, you're OK. Boy, was I in for a shock!; 8 times | category:

Advanced Password Protect a Webpage: ON: 2008-08-16 11:04:49; Learn how to create a script that protects pages with a password; 18 times | category:

Password Protect a Page Using PHP: ON: 2008-08-16 11:03:57; Don't want the general public being able to view some pages? Learn how to add a password to them.; 15 times | category:

Make a Page That Calculates MD5 Hashes of Input: ON: 2008-08-16 11:02:52; All this does is it takes the user's input, calculates the MD5 hash of the input, and displays it to the user.; 5 times | category:

Cryptographys Sodium Chloride: ON: 2008-08-16 11:00:12; All hail the humourous titles. The cryptography definition of salt, as taken from Wikipedia.org, is that salt consists of random bits used as one of the inputs to a key derivation function. In more human terms, a salt is probably your best friend; 53 times | category:

PHP Spam Terminator - protect your site from annoying spam posts: ON: 2008-08-16 10:54:52; Anyone who operates their own website knows that you need to provide forms in your site for visitors to contact you. The big challenge is providing easy form access to your visitors, without letting SPAM flood your email inbox or database. The techniques described in this article tell you how to reduce the amount of SPAM.; 7 times | category: