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A lion in a cage - PHP  A lion in a cage shouldn't be a danger - but release the lion from the cage and you could be at risk.An include file that's pulled in by a PHP script shouldn't be a danger if it's used only from within that PHP script, but if it has its own URL the it could be released like the lion, and it could be a danger. If you're writing a PHP script that requires or includes files, please put the included files in a directory that's NOT got its own URL .... you can do it by giving a path to the file in the include or require statements, or by using the preconfigured directory that's set up on your PHP installation. Image from Hone's Everyday Book (written 2006-11-10, updated 2006-11-12) Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles H117 - Security in PHP[4642] A small teaching program - demonstration of principles only - (2016-02-08) [3813] Injection Attacks - PHP, SQL, HTML, Javascript - and how to neutralise them - (2012-07-22) [3747] An easy way to comply with the new cookie law if your site is well designed - (2012-06-02) [3698] How to stop forms on other sites submitting to your scripts - (2012-04-15) [3210] Catchable fatal error in PHP ... How to catch, and alternative solutions such as JSON - (2011-03-22) [2939] Protecting your images from use out of context - (2010-08-29) [2688] Security considerations in programming - what do we teach? - (2010-03-22) [2628] An example of an injection attack using Javascript - (2010-02-08) [2025] Injection Attack if register_globals in on - PHP - (2009-02-04) [1779] Injection Attacks - avoiding them in your PHP - (2008-08-31) [1747] Who is watching you? - (2008-08-10) [1694] Defensive coding techniques in PHP? - (2008-07-02) [1679] PHP - Sanitised application principles for security and useability - (2008-06-16) [1542] Are nasty programs looking for security holes on your server? - (2008-02-17) [1482] A story about benchmarking PHP - (2007-12-23) [1396] Using PHP to upload images / Store on MySQL database - security questions - (2007-10-19) [1387] Error logging to file not browser in PHP - (2007-10-11) [1323] Easy handling of errors in PHP - (2007-08-27) [1086] Injection attacks - safeguard your PHP scripts - (2007-02-20) [1052] Learning to write secure, maintainable PHP - (2007-01-25) [947] What is an SQL injection attack? - (2006-11-27) [426] Robust checking of data entered by users - (2005-08-27) [345] Spotting a denial of service attack - (2005-06-12)
Some other Articles
The LAMP Cookbook - Linux, Apache, MySQL, PHP / PerlWhy shouldn't I spam? Staying at your own hotel French Exchange A lion in a cage - PHP Freedom for X is denial of privacy for Y Databases needn't be frightening, hard or expensive Syntax checking in PHP Driving customers away Paging through hundreds of entries |
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