These links are for anybody who writes code for OSU servers.

• OWASP's The Guide
  The Open Web Application Security Project(OWASP) created a great guide which discussed securing web applications in J2EE, ASP.NET, and PHP, and offers a more in depth view of current security issues than the Top Ten List.
  
• OWASP's Top Ten List
  This list comprises the top ten most overlooked vulnerabilities of web applications and their common remedies.
  
• OWASP's Top 5 PHP
  This webpage centers around the top five vulnerabilities that compromise most PHP attacks.
  
• PHP Security
  This webpage is the section from the online documentation of the official PHP manual on security.
  
• PHP Include()
  This webpage is a section from the online documentation of the official PHP manual on the differences between the commands include() and required() and when they should be used.
  
• PHP open_basedir
  This webpage is a section from the online documentation of the official PHP manual on the derictive open_basedir, and how you can use it to prevent the viewing of system files.
  
• PHP Exec()
  This webpage is a section from the online documentation of the official PHP manual on the exec() command. Although, it should be disabled, if you do have to use this command this page will show ways of using it safely.
  
• SANS Top 20
  This list comprises the SANS Top 20 Critical Security Vulnerabilities