Nothing will unset X-Frame-Options (Apache, PHP 5.3)

Question

I\'m trying to implement an embeddable widget, functioning similar to a Twitter embedded tweet. The simplest solution, though maybe not the best, appears to be an iframe or

Answer 1

I had the same problem, and I solved writing this in httpd.conf

Header append X-Frame-Options ALLOWALL

also I had to configured the header module to be loaded, in order to apache to understand this directive. Then you must restart httpd.