A Linux Admin’s Getting Started Guide to Improving PHP Security

Linux Tux

Apr 17, 2021, 21:30 (0 Talkback[s])
(Other stories by Brittany Day)

Running PHP on a Linux web server is a prerequisite for the use of many popular applications such as WordPress, Joomla and Drupal. Linux administrators and web developers must approach PHP with caution, as new vulnerabilities in poorly written and implemented PHP code are abundant and dangerous.

In a recent security incident, hackers were able to add a backdoor to the PHP source code. Although the backdoor mechanism was discovered before it made it into production, the incident serves as the latest reminder of the importance of prioritizing PHP security. PHP security is inextricably tied to web server security. Because the popular open-source server-side scripting language is often paired with MySQL, PHP compromise can mean a compromise of the accompanying MySQL database, as well as any web applications running on the web server.

This article will examine how you can configure and run PHP securely to mitigate the risk of attacks and compromise, secure web applications, protect user privacy and maintain a secure and properly functioning Linux web server.

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