Blocked by Content Security Policy (CSP)

Problem

From PTC Windchill, when you try to link a change request or a part to a CLM artifact, the selection dialog may not be shown. The result depends on the browser:

• Chrome shows a blank display.
• Firefox displays a Blocked by Content Security Policy

Solution

When this error happens, it probably means the Windchill server needs to be added to the friends of the target CLM application:

1. Connect to the CLM application as an administrator (CCM, RM or QM depending on your need).
2. Go the CLM application administration area.
3. On the left menu, click on the Friends (Outbound) section.
4. Click add and fill the form with Windchill's rootservices URL.
5. Don't forget to allow the pending consumer in the Windchill OSLC Connect consumers administration page.
6. Repeat this procedure for each CLM application involved in your setup.

Check that you don't face the issue anymore and you see the delegated UI instead.