Chrome showing Flash blocked warning when Flash is set to Allow.
Reported by
123star...@gmail.com,
May 4 2018
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36 Steps to reproduce the problem: 1. Open https://cbonline.lloydsbank.com/PrimaryAuth/ in Chrome 2. Click on the site name in Address bar and go to site settings. 3. Set Flash to Allow 4. Reload the site. What is the expected behavior? Since flash is set to allow and there is no flash content there should be no error of flash being blocked. What went wrong? We have set flash to be allowed on all website by pushing a GPO setting to add [*].com to flash allow rule in Chrome. But recently came across this weird issue on of the website which don't have any flash but still shows flash blocked when setting is to allow flash on all website. Did this work before? N/A Chrome version: 66.0.3359.139 Channel: stable OS Version: 10.0 Flash Version: 29.0.0.140 1. The website don't have any flash content. 2. Issue doesn't occur when flash setting is set to Ask(default). 3. Tested on Chrome 56 and issue is in it.
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May 6 2018
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May 7 2018
Able to reproduce the issue on reported version 66.0.3359.139 & on latest chrome canary 68.0.3423.0 using Windows 10,Mac OS 10.13, Ubuntu 14.04. Hence providing bisect information below Bisect Info: ================ Good build: 62.0.3174.0 Bad build: 62.0.3175.0 You are probably looking for a change made after 491589 (known good), but no later than 491590 (first known bad). CHANGELOG URL: https://chromium.googlesource.com/chromium/src/+log/bd6f8d977d1e7c6b5e71e95fc085f2dd126062b4..36cbc24e0e99afca6e45d8f791d0653eb566f0fb suspecting https://chromium.googlesource.com/chromium/src/+/36cbc24e0e99afca6e45d8f791d0653eb566f0fb Reviewed-on: https://chromium-review.googlesource.com/599115 @tommycli: Please confirm the issue and help in re-assigning if it is not related to your change. Thanks!
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Jun 14 2018
Working as intended. Websites with invisible Flash pixels can still trigger this alert on ALLOW mode. Even on ALLOW mode, we still block pixel SWFs.
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Jun 15 2018
It is quite weird to show flash blocked when it is set to allow and not show the block message when it is set to Ask(Default). If pixel SWFs are blocked by default then it should be shown blocked in Ask mode also.
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Jun 15 2018
In Ask mode, the Flash plugin is hidden until the user confirms they want to run Flash. In that case, the pixel SWFs don't even run. I agree it's confusing. |
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Comment 1 by dtapu...@chromium.org
, May 4 2018