Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 Build ID 20180228100110 [Affected versions]: Nightly 60.0a1 [Affected platforms]: Windows 10 x64 [Steps to reproduce]: 1. Launch Nightly 60.0a1 with a new profile 2. Go to https://www.bonprixro.eu/ webpage (page is correct loaded) 3. Go to about:preferences#privacy 4. At Cookies and Site Data section, click on "Exceptions" button 5. Add the https://www.bonprixro.eu/ site as an exception, with status Block. 6. Refresh the https://www.bonprixro.eu/ webpage (images are not displayed) 7. Go to about:preferences#privacy -> Exception and remove the https://www.bonprixro.eu/ from exceptions list. 8. Click on Save changes. 9 Refresh the https://www.bonprixro.eu/ page. [Expected results]: https://www.bonprixro.eu/ page should be correctly opened, images should be correctly displayed. [Actual result]: https://www.bonprixro.eu/ page is opened, but images are not displayed. (see screenshot)

These image requests fail on a fresh profile for me because they were using a thawte/Symantec intermediate cert. Please mention this in bug 1434300 instead (don't file a bug, the issue is not on our side). Thanks!