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PHP

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Cyber Operations
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Abstract

PHP is the final component of the traditional “LAMP” stack: Linux, Apache, MySQL/MariaDB, and PHP. It provides a full -featured programming language to develop web pages with active content; it currently is used as the server-side programming language for roughly 80% of all web sites. The current version of PHP is PHP 7, which was initially released in December 2015. During 2011–2018, some systems continued to support and run the older PHP 5, which was released in 2004. PHP 6 was only partially developed and never reached general availability.

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Notes

  1. 1.

    If this is not done, a user may browse to a PHP web application and be met with a 403 Forbidden error, which can be confusing. What can happen is that the web application does not have one of the other default documents present in the directory, so that when the user browses to the directory, the server attempts to list the directory contents. If directory browsing is disabled, a 403 error is returned.

  2. 2.

    Did you guess that this is the MD5 hash for “password1!”?

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© 2019 Mike O'Leary

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O’Leary, M. (2019). PHP. In: Cyber Operations. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-4294-0_20

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