Ran into an issue with the server variable HTTPS not being set when .htaccess was processed. I found the answer here:
http://cloudsites.rackspacecloud.com/index.php/How_do_I_force_SSL_on_my_PHP_site%3F
but my question is, what other variables may not be set or have different results than expected? I'd rather have a definitive list instead of trial and error. Rackspace does not seem to provide one.
Anyone have a good methodology for testing this?