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Christopher Kunz's Blog:
Strict session handling in PHP
November 22, 2005 @ 05:46:11

Christopher Kunz has this new post today on his blog with at look at "strict session handling in PHP".

PHP has a permissive session system. This has been decided way before I came into the PHP world (I guess in preparation of 4.0), and the reasons for this decision are kinda lost in transit. However, with a small patch by Hardened-PHP Project buddy Stefan esser, this might now change.

A small patch against PHP's ext/session and ext/sqlite adds two new handler functions to validate and create session IDs, as well as the php.ini setting.

This setting would allow for more enhanced session handling (removing the ability to spoof sessions via a SID), and other problems (SQL injections, XSS attacks, etc). You can check out more on the Hardened-PHP page...

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