DNN Forums

Ask questions about your website to get help learning DNN and help resolve issues.

iFrames suddenly quit working

25 Replies

2 Subscribed to this topic

16 Subscribed to this forum

Sort:

Author

Messages

Olly Hodgson

Growing Member

Posts: 52

11/12/2019 7:45 PM

The reason is you are telling the website to remove an X-Frame-Options header, then add a different X-Frame-Options header, but you're still ending up with two.

The fact your remove step isn't doing anything suggests the offending X-Frame-Options heading is being added after your code has run. That sounds like something a firewall or other network security software might do - but I don't know how they're set up. I suspect if you've got IT Ops people where you work, they'd be the people to speak to.

If it is something a DNN module upgrade has caused, it's almost certainly on http://healthtest.co.santa-cruz.ca.us/ installation, not on your intranet.

Michael Tobisch

Veteran Member

Posts: 1179

11/13/2019 4:42 AM

I completely agree with Olly. If a module would add the header, IIS would remove it (because of that remove line), and when two headers are delivered, the second is added after the whole process most propably.

In this case, there is nothing you can do in IIS. But you can test it, if you browse the website http://healthtest.co.santa-cruz.ca.us/ on the server where it is installed. Add something like

127.0.0.1    healthtest.co.santa-cruz.ca.us

to your hosts-file (normally under C:\windows\system32\drivers\etc, you may edit this with any text editor) to avoid a DNS request.

Then check the headers you get there (and remove the line above from the hosts file after the test).

Happy DNNing!
Michael

Tom Melkonian

Advanced Member

Posts: 194

11/15/2019 12:46 PM

Thanks for your help looking into this -

Guess what - I just heard back from Tycho de Waard on the DNNConnect Facebook group - he found that DNNSharp Action Form version 5 was causing this issue. He provided me with an upgrade to the module , which I tried on our test server, and it works!. The problem is fixed.
To be clear - this is on the website serving the content that appears in the iFrame.

Thanks again for your help!
-Tom

Michael Tobisch

Veteran Member

Posts: 1179

11/18/2019 1:50 AM

Tom,

you're welcome, and I am happy that you found the issue. As I don't use DNNSharp Action Form, I did not know about this issue... thanks for telling us.

Happy DNNing!
Michael

Olly Hodgson

Growing Member

Posts: 52

11/19/2019 1:53 PM

Hooray! So glad you got this figured out :)

Tom Melkonian

Advanced Member

Posts: 194

11/22/2019 9:44 AM

Thanks again both of you!!

These Forums are dedicated to the discussion of DNN Platform.

For the benefit of the community and to protect the integrity of the ecosystem, please observe the following posting guidelines:

If you have (suspected) security issues, please DO NOT post them in the forums but instead follow the official DNN security policy.
No Advertising. This includes the promotion of commercial and non-commercial products or services which are not directly related to DNN.
No vendor trolling / poaching. If someone posts about a vendor issue, allow the vendor or other customers to respond. Any post that looks like trolling / poaching will be removed.
Discussion or promotion of DNN Platform product releases under a different brand name are strictly prohibited.
No Flaming or Trolling.
No Profanity, Racism, or Prejudice.
Site Moderators have the final word on approving / removing a thread or post or comment.
English language posting only, please.

Would you like to help us?

Awesome! Simply post in the forums using the link below and we'll get you started.

Get Involved