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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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77

Addressing Security Risks in PHP Command Execution Environments

As the Web continues its march towards becoming the de facto interface for the world's software applications, developers must find effective ways to not only communicate with server processes such as MySQL, but also other operating system tools such as a shell or Ruby script. In this tutorial, I'll show you how to securely execute a variety of system-based commands via a PHP script, demonstrating how to build web applications that can tightly integrate with both the operating system and third-party software.. Minding the Security Risks Hopefully, you understand how important it is to thoroughly validate all user input accepted through a web form; after all, if you neglect this task, your data could be stolen or damaged via a SQL injection attack, or your users could be spoofed via a cross-site scripting attack. The risks of not properly vetting operating system commands initiated through a PHP script are no less severe! With this in mind, before jumping into a few examples it's worth taking a moment to understand how this particular feature can pose a significant security risk to not only your web site, but also to the stability of the entire web server. The link for this article located at PHP Builder is no longer available. . Master the art of safely running system commands within PHP while addressing possible security vulnerabilities in web applications and ensuring server reliability.. PHP Security, System Command, Input Validation, Web App Security. . LinuxSecurity.com Team

Calendar 2 Jan 29, 2010 User Avatar LinuxSecurity.com Team Server Security
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150
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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