Domain that has frame forwarding hosting type shows blank page on Plesk server

Symptoms

• Domain example.com that has frame forwarding hosting type and redirects to anotherdomain.com shows blank page instead of anotherdomain.com content.
• The rendering of page in a <frame>, <iframe> or <object> are not allowed for anotherdomain.com website:

  # curl -k -I https://anotherdomain.com
  ...
  X-Frame-Options: DENY

Cause

Rendering of anotherdomain.com as a frame is forbidden on remote hosts.

Resolution

To allow the anotherdomain.com page be displayed in a frame on the example.com, add the following directive in the Apache settings on the server where anotherdomain.com website is hosted:

CONFIG_TEXT: Header set X-Frame-Options "ALLOW-FROM http://example.com/"

Check this article for additional information.