php 301 redirects actually doing a 302 redirect

Question

I have been googling for this but no one appears to have the answer.

This post describes the problem well:

http://www.mail-archive.com/php-general@lists.php.net/

Answer 1

microsoft released a fix for this: http://www.microsoft.com/downloads/en/results.aspx?freetext=980363&displaylang=en&stype=s_basic