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I am trying to load a simple iframe into one of my web pages but it is not displaying. I am getting this error in Chrome:

Refused to display 'https://cw.na1.hgncloud.com/crossmatch/index.do' in a frame because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'self' https://cw.na1.hgncloud.com".

Invalid 'X-Frame-Options' header encountered when loading 'https://cw.na1.hgncloud.com/crossmatch/index.do': 'ALLOW-FROM https://cw.na1.hgncloud.com' is not a recognized directive. The header will be ignored.

This is the code for my iframe:

<p><iframe src="https://cw.na1.hgncloud.com/crossmatch/" width="680" height="500" frameborder="0"></iframe></p>

I am not really sure what that means. I have loaded plenty iframes before and never received such errors.

Any ideas?


Certain URL is not loading in iFrame - can't figure out why, Refused to display 'http://prophetie.rundertisch.at/' in a frame because it set 'X-​Frame-Options' to 'SAMEORIGIN'. That means that they have set  When you try to use your web page in an iFrame on a non-local site, the iFrame won't load or you get an error that says :“Display forbidden by X-Frame-Options” Cause The X-Frame Options header is set to "SAMEORIGIN" server-wide on the source server

The reason for the error is that the host server for https://cw.na1.hgncloud.com has provided some HTTP headers to protect the document. One of which is that the frame ancestors must be from the same domain as the original content. It seems you are attempting to put the iframe at a domain location that is not the same as the content of the iframe - thus violating the Content Security Policy that the host has set.

Check out this link on Content Security Policy for more details.

Why isn't my iframe loading?, but essentially it is a set of four <iframe> that load in an external (or security measure that means that you won't have your site showing  I'm trying to display a web page in an iframe using an embed element. The iframe is displayed, but it's empty. I know this can be a header problem, but I own the web page I'm trying to display, so I should be able to fix that. When I view the headers for this page, X-Frame-Options isn't set but the content doesn't show.

For any of you calling back to the same server for your IFRAME, pass this simple header inside the IFRAME page:

Content-Security-Policy: frame-ancestors 'self'

Or, add this to your web server's CSP configuration.

Allow iFrame, When you try to use your web page in an iFrame on a non-local site, the iFrame won't load or you get an error that says :“Display forbidden by  Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. iframe refuses to display. 0.

iframe "refused to connect", Profile image. replied on September 30, 2019. Some webpages refuse to be displayed inside iframes. so you may be running into this error. 0 0. They have set the header to SAMEORIGIN in this case, which means that they have disallowed loading of the resource in an iframe outside of their domain. So this iframe is not able to display cross domain. For this purpose you need to match the location in your apache or any other service you are using. If you are using apache then in httpd.conf

Can't get Chrome to display an iframe. Driving me up the wall , Refused to display 'https://www.google.com/' in a frame because it set 'X-Frame-​Options' to 'sameorigin'. Looks to be something google is blocking. TIL: I didn't  Refused to display in a frame because it set X-Frame-Options to sameorigin chkdk. 10 Points You cannot display a part of websites inside an iFrame. Reason being

IFrame webpage not displaying. 'Refused to display 'https://www , IFrame webpage not displaying. 'Refused to display 'https://www.instagram.com/' in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'. An iframe or inline frame is used to display external objects including other web pages within a web page. An iframe pretty much acts like a mini web browser within a web browser. Also, the content inside an iframe exists entirely independent from the surrounding elements. The basic syntax for adding an iframe to a web page can be given with:

  • Does resource which is used in src an attribute of iframe should send Content-Security-Policy?
  • ALLOW-FROM in used with X-Frame-Options is now obsolete as per Mozilla guidance, developer.mozilla.org/en-US/docs/Web/HTTP/Headers/…. You should prefer Content-Security-Policy as mentioned above.