X-Frame-Options on apache

Question

I am trying to allow some particular domain to access my site via iframe

Header set X-Frame-Options ALLOW-FROM https://www.that-site.com

I

Answer 1

This worked for me on all browsers:

1. Created one page with all my javascript
2. Created a 2nd page on the same server and embedded the first page using the object tag.
3. On my third party site I used the Object tag to embed the 2nd page.
4. Created a .htaccess file on the original server in the public_html folder and put Header unset X-Frame-Options in it.