Where can i set x-frame-options for a login-status-iframe.html file

Once we login through keycloak , this url gets triggered protocol/openid-connect/login-status-iframe.html. For this url there is no x-frame-options in the response header . I have set the x-fame-options to SAMEORIGIN in security defense tab , this doesnot reflect to login-status-iframe.html file .How can i set the x-frame-options for a login-status-iframe.html file . kindly do the needful here .
Thank you