Firefox and Chrome have introduced Mixed Content Blocking in the latest versions of their browsers. Intended as a security response to “man in the middle” attacks, this feature blocks mixed content by default unless specifically allowed during each page visit. This specifically impacts non-https content loaded into a https page. For more information about this security feature, please visit following Mozilla support article:
While other browsers like Internet Explorer implement Mixed Content Blocking in similar fashions, in most cases they allow the user to add exceptions or permanently allow access to mixed content from a particular page. Firefox requires this content to be allowed on each page visit without a method to permanently allow content within that page only.
In ANGEL, this impacts Link content items, embedded videos, RSS feeds, and potentially other areas of the system. When a user tries to access one of these items while using Firefox they will not see the content.
The video below shows an example of this issue and how to use the Page content item as a work-around.
1. From the Lessons tab, select Add Content
2. Select the Page Content Item
3. Copy/paste the URL for the website into the page
4. Highlight the URL then click the Web Link button in the HTML toolbar (looks like a globe with a paperclip)
5. Paste the URL into the URL box
6. Then go to the Target tab and change to: New Window (_blank)
7. Click Ok and Save
8. Click the Page you created and verify that the link works
If you have any additional questions or issues, please contact the Help Desk at 585-395-5151, option #1 or firstname.lastname@example.org
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