When Safari Users Have Prevent Cross Site Tracking Enabled Embedded HTML Files are Shortened in Original View Courses if the Site is not a Blackboard.com URL




 
When Safari Users Have Prevent Cross Site Tracking Enabled Embedded HTML Files are Shortened in Original View Courses if the Site is not a Blackboard.com URL

Date Published: Apr 11,2025 Category: Product:Blackboard_Learn_SaaS; Version:Learn_9_1_3900_62_0,Learn_9_1_3900_65_0   Article No.: 000077459

Producto: Learn SaaS

Versión: 9.1;SaaS

Paquetes de servicio: 3900.62.0, 3900.65.0

Descripción: When Safari users have 'Prevent Cross Site Tracking' enabled, embedded HTML files are shortened in Original View Courses if the site is not a blackboard.com URL.

Pasos para repetir: Prerequisite: Open the Safari Browser and turn on 'Prevent Cross Site Tracking'

  1. Log into Blackboard Learn as an administrator or instructor
  2. Access an Original View Course
  3. Go to the Course Contents
  4. Create a new "File" type Content Item by uploading an HTML file or using one from the Content Collection.
  • Note: The file should at least have several paragraphs of static text or an image file that is taller than 300px. 
 
  1. Open the newly created HTML file
Observed Behavior:
The iFrame is very short. When the user checks the Browser Console log, error messages regarding the JavaScript files that were loaded from the Alt-Content Domain appear. 

Expected Behavior:
The height of the iFrame containing the HTML would adjust to the contents of the file.

 
Síntomas: NOTE: This issue is expected to be limited to sites which don't use the *.blackboard.com domain for their URL

Browser Console Log: 
[Error] Failed to load resource: the server responded with a status of 403 () (fastinit.js, line 0)
[Error] Refused to execute https://alt-634ffc3beabcb.blackboard.com/javascript/fastinit.js as script because "X-Content-Type-Options: nosniff" was given and its Content-Type is not a script MIME type.
[Error] Failed to load resource: the server responded with a status of 403 () (page.js, line 0)
[Error] Refused to execute https://alt-634ffc3beabcb.blackboard.com/javascript/ngui/page.js as script because "X-Content-Type-Options: nosniff" was given and its Content-Type is not a script MIME type.




Versión de destino: Future Reference