Ten Security Checks for PHP, Part 1

Friday, 21 March 2003, 1:01 PM EST

Web applications have become a popular way to provide global access to data, services, and products. While this global access is one of the Web's underlying advantages, any security holes in these applications are also globally exposed and frequently exploited. It is extremely easy to write applications that contain unintentional security holes. This is demonstrated by the range of common web applications, including PHPMyAdmin, PHPShop and FreeTrade, that have contained major security holes. The source code is often required to identify these holes, but it is common to make the source code of these applications available to the public. This article provides five steps to help identify or avoid such security holes in applications written using PHP.

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