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Note: You are currently viewing documentation for Moodle 3.1. Up-to-date documentation for the latest stable version of Moodle is probably available here: Nginx.

I've removed the lines from this page instructing users to set the php configuration parameter cgi.fix-pathinfo=0

This line is included in a lot of on-line how-to guides for Nginx/PHP and is explained as a security restriction, see, here and here

In summary, within the context of Nginx and php-fpm the best(?) way to handle potential PATH_INFO vulnerabilities as described in those articles is to use the default behaviour of php-fpm, i.e. within,

/etc/php5/fpm/pool.d/www.conf (debianised)

security.limit_extensions = .php

Either way will work just fine, but this is one step less with no real down sides...