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Kirti_23
Level 2
October 18, 2021
Solved

Cross-Origin Request Blocked

  • October 18, 2021
  • 1 reply
  • 4184 views

Hi All, 

I cant able to qualify any target experience in Firefox, I'm getting below error(Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at). Anyone has any solution ?

 

 

Thanks!

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Best answer by Khushboo_Kalia

Hi @kirti_23 

This is the behavior of Firefox, and expectation too; that Target sometimes fails to load in this particular browser. I believe, if you will try in Chrome then it will certainly work.

The reason behind this is some kind of fundamental network error. In many cases, it is caused by a browser plugin (e.g. an ad blocker or privacy protector) blocking the Target request. In today's time, it is generally Firefox's built-in tracking protection called as "Enhanced Tracking Protection". Under this tracking protection, Firefox blocks some network calls. Below is a link that talks more about it.

https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop

Now, here is the SOLUTION - You have to disable "Enhanced Tracking Protection" in Firefox, please find below the steps to achieve the same.

  • Click on the shield icon in the address bar.

         

  • Toggle the switch at the top of the panel from "ON" to "OFF".

         

  • Disabling the tracking protection reloads the site page and this time, with Target loaded successfully on it.

 

 

1 reply

Khushboo_Kalia
Adobe Employee
Khushboo_KaliaAdobe EmployeeAccepted solution
Adobe Employee
October 19, 2021

Hi @kirti_23 

This is the behavior of Firefox, and expectation too; that Target sometimes fails to load in this particular browser. I believe, if you will try in Chrome then it will certainly work.

The reason behind this is some kind of fundamental network error. In many cases, it is caused by a browser plugin (e.g. an ad blocker or privacy protector) blocking the Target request. In today's time, it is generally Firefox's built-in tracking protection called as "Enhanced Tracking Protection". Under this tracking protection, Firefox blocks some network calls. Below is a link that talks more about it.

https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop

Now, here is the SOLUTION - You have to disable "Enhanced Tracking Protection" in Firefox, please find below the steps to achieve the same.

  • Click on the shield icon in the address bar.

         

  • Toggle the switch at the top of the panel from "ON" to "OFF".

         

  • Disabling the tracking protection reloads the site page and this time, with Target loaded successfully on it.

 

 

    A
    AbuSh1
    Level 4
    October 19, 2021

    Hi
    The answer should be focus on CORs policy update
    Best practice will be white list all the domain the application/web is using (its good for content security)

     

    https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS

    Access-Control-Allow-Origin: https://foo.example
    Terms & ConditionsAccessibility statement

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