In the primary SI directory, there is a phpinfo.php file. Change the
$secure = true; setting to false. Then run this by entering the same thing you do to run SI but add
/phpinfo.php to the end of the line. For example:
This will list the settings in your php.ini file. At least then you will know what settings you have.
Be sure the change
$secure = false setting back to true. This will prevent someone else from running this file on your site.